Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
734 AM PDT Wed Aug 20 2025
NVZ014-018-019-211000-
/O.CON.KVEF.HT.Y.0003.250820T1500Z-250824T0600Z/
Esmeralda and Central Nye County-Sheep Range-Spring Mountains-Red
Rock Canyon-
Including the cities of Hayford Pk, Goldfield, Dyer, Mt
Charleston, Red Rock Canyon, Silver Peak, and Beatty
734 AM PDT Wed Aug 20 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM SATURDAY...
* WHAT...Above-normal temperatures with afternoon highs in the
low-to-mid 80s for Mount Charleston, Lee Canyon, and Kyle Canyon.
Above-normal temperatures with afternoon highs between 95 and 100
for Goldfield; Tonopah; between 100 and 105 for Beatty. Expect
minimal overnight recovery. Moderate-to-High Heat Risk.
* WHERE...Esmeralda and Central Nye County, Sheep Range, and Spring
Mountains-Red Rock Canyon.
* WHEN...Until 11 PM Saturday.
* IMPACTS...Hot temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
Monitor the latest forecasts and warnings for updates.
&&
$$
For more information from the National Weather Service visit
http://weather.gov/lasvegas
MW
URGENT - WEATHER MESSAGE
National Weather Service Billings MT
802 AM MDT Wed Aug 20 2025
MTZ031>033-036-037-058-138-169-WYZ199-210300-
/O.CON.KBYZ.HT.Y.0003.000000T0000Z-250821T0300Z/
Northern Rosebud-Custer-Fallon-Powder River-Carter-Southern
Rosebud-Southern Big Horn-Bighorn Canyon-Sheridan Foothills-
Including the locations of Forsyth, Broadus, Lodge Grass,
Colstrip, Pryor, Ekalaka, Lame Deer, Miles City, Baker, Sheridan,
and Fort Smith
802 AM MDT Wed Aug 20 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING...
* WHAT...High Temperatures from 98 up to 104 expected.
* WHERE...Portions of south central and southeast Montana and north
central Wyoming.
* WHEN...Until 9 PM MDT this evening.
* IMPACTS...Hot temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
&&
$$
Additional graphics for this hazard can be found at
http://www.weather.gov/billings
Chambers
URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
647 AM PDT Wed Aug 20 2025
CAZ301>303-305-306-309>312-315-332-202200-
/O.CON.KHNX.HT.Y.0004.250822T1800Z-250824T1500Z/
Los Banos - Dos Palos-Merced - Madera - Mendota-Planada - Le
Grand - Snelling-West Side of Fresno and Kings Counties-Caruthers
- San Joaquin - Selma-Buttonwillow - Lost Hills - I5-Delano-Wasco-
Shafter-Hanford - Corcoran - Lemoore-Visalia - Porterville -
Reedley-Southeast San Joaquin Valley-Kern River Valley-
Including the cities of Le Grand, Alpaugh, Five Points, Lemoore,
Atwater, Los Banos, Porterville, Lost Hills, Hanford, Tulare,
Planada, Kingsburg, Kerman, Selma, Corcoran, Kernville, Madera,
Lake Mcclure, Shafter, Visalia, Merced, Lake Isabella, Wasco,
Buttonwillow, Goshen, Delano, Richgrove, Sanger, Parlier, Lemoore
Station, and Kettleman City
647 AM PDT Wed Aug 20 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM FRIDAY TO 8 AM PDT
SUNDAY...
* WHAT...High temperatures up to 107 expected. Warm overnight lows
in the low to mid 70s from Friday until Sunday morning.
* WHERE...A portion of central California.
* WHEN...From 11 AM Friday to 8 AM PDT Sunday.
* IMPACTS...Hot temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
&&
$$
SM
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
508 AM PDT Wed Aug 20 2025
CAZ341-347-356>358-367-210200-
/O.CON.KLOX.HT.Y.0006.250821T1800Z-250823T0400Z/
San Luis Obispo County Inland Central Coast-Santa Barbara County
Inland Central Coast-Lake Casitas-Ojai Valley-Central Ventura
County Valleys-Palos Verdes Hills-
Including the cities of Fillmore, San Luis Obispo, Santa Maria,
Oak View, Lopez Lake, Piru, Santa Paula, Buellton, Meiners Oaks,
Ojai, Rancho Palos Verdes, and Nipomo
508 AM PDT Wed Aug 20 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THURSDAY TO 9 PM PDT
FRIDAY...
* WHAT...Temperatures of 90 to 105 degrees expected.
* WHERE...Central Ventura County Valleys, Lake Casitas, Ojai Valley,
Palos Verdes Hills, San Luis Obispo County Inland Central Coast,
and Santa Barbara County Inland Central Coast.
* WHEN...From 11 AM Thursday to 9 PM PDT Friday.
* IMPACTS...There is a high risk for heat illness for sensitive
populations including the very young, the very old, those without
air conditioning, and those active outdoors.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
Monitor the latest forecasts and warnings for updates.
&&
$$
Visit us at http://www.weather.gov/LosAngeles
Rorke
URGENT - WEATHER MESSAGE
National Weather Service San Francisco CA
344 AM PDT Wed Aug 20 2025
CAZ504-510-512>518-210400-
/O.CON.KMTR.HT.Y.0004.250821T1700Z-250823T0500Z/
North Bay Interior Mountains-East Bay Interior Valleys-Santa Cruz
Mountains-Santa Clara Valley Including San Jose-Eastern Santa
Clara Hills-East Bay Hills-Southern Salinas Valley/Arroyo Seco
and Lake San Antonio-Santa Lucia Mountains and Los Padres
National Forest-Mountains of San Benito County And Interior
Monterey County including Pinnacles National Park-
344 AM PDT Wed Aug 20 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THURSDAY TO 10 PM PDT
FRIDAY...
* WHAT...Temperatures from the 90s to near 105 expected.
* WHERE...Santa Clara Valley and eastern hills, interior East Bay,
North Bay interior mountains, Santa Cruz Mountains, Santa Lucia
Range, southern Salinas Valley, Most of San Benito County and the
interior mountains of Monterey County.
* WHEN...From 10 AM Thursday to 10 PM PDT Friday.
* IMPACTS...Hot conditions can cause heat illnesses. This level of
heat affects most individuals sensitive to heat, especially those
without effective cooling and/or adequate hydration. Impacts
possible in some health systems and in heat-sensitive industries.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Hydration is a critical piece to surviving the heat. Drink water,
and if possible, take water to those who are vulnerable.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to the early
morning or evening. Take action when you experience symptoms of heat
exhaustion and/or heat stroke.
Beat the heat and check the backseat! Do not leave young children or
pets in unattended vehicles.
&&
$$
MM
URGENT - WEATHER MESSAGE
National Weather Service Elko NV
339 AM PDT Wed Aug 20 2025
NVZ030-031-036>038-041-211000-
/O.NEW.KLKN.HT.Y.0007.250822T1800Z-250823T0300Z/
Humboldt-Northern Elko-Northern Lander and Northern Eureka-
Southern Lander and Southern Eureka-Southwest Elko-Northeastern
Nye-
Including the cities of Lamoille, Emigrant Pass, Golconda, Spring
Creek, Duckwater, Grass Valley, Eureka Airport, Charleston,
Argenta, Jiggs, Palisade, Eureka, Pinto Summit, Hickison Summit,
Lee, Gibbs Ranch, Jarbidge, Blue Eagle Ranch, Dunphy, Crescent
Valley, Ryndon, Mountain City, Garden Pass, Owyhee, Dufferena,
Midas, Valmy, Tuscarora, Battle Mountain, Elko, Diamond Valley,
Winnemucca, South Fork, and Beowawe
339 AM PDT Wed Aug 20 2025
...A HEAT ADVISORY IS IN EFFECT FROM 11 AM PDT FRIDAY MORNING UNTIL
8 PM PDT FRIDAY EVENING...
* WHAT...High temperatures 97 to 102 degrees expected in the valleys.
* WHERE...Northern Lander and Northern Eureka, Southern Lander and
Southern Eureka, Northern Elko, Southwest Elko, Humboldt, and
Northeastern Nye Counties.
* WHEN...From 11 AM PDT Friday morning until 8 PM PDT Friday evening.
* IMPACTS...Hot temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, remain out
of the sun, and check on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
&&
$$
BS
URGENT - WEATHER MESSAGE
National Weather Service Reno NV
317 AM PDT Wed Aug 20 2025
CAZ071-211100-
/O.NEW.KREV.HT.Y.0004.250822T1900Z-250823T1600Z/
Lassen-Eastern Plumas-Eastern Sierra Counties-
Including the cities of Loyalton, Sierraville, Susanville,
Portola, and Westwood
317 AM PDT Wed Aug 20 2025
...HEAT ADVISORY IN EFFECT FROM NOON FRIDAY TO 9 AM PDT SATURDAY
EASTERN LASSEN...
* WHAT...High temperatures ranging from 98 to 103 degrees and warm
lows between 65 to 70 degrees, with widespread Moderate to
isolated Major HeatRisk.
* WHERE...Eastern Lassen County in California, including Susanville.
* WHEN...From noon Friday to 9 AM PDT Saturday.
* IMPACTS...Heat-related illnesses will be more likely, especially
for those spending extended periods outdoors, in poorly cooled
indoor spaces, or who are sensitive to heat.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Reno NV
317 AM PDT Wed Aug 20 2025
NVZ001-003>005-211100-
/O.NEW.KREV.HT.Y.0004.250822T1900Z-250823T1600Z/
Mineral and Southern Lyon Counties-Greater Reno-Carson City-
Minden Area-Western Nevada Basin and Range including Pyramid Lake-
Northern Washoe County-
Including the cities of Yerington, Nixon, Schurz, Smith Valley,
Empire, Imlay, Hawthorne, Fernley, Virginia City, Fallon, Silver
Springs, Lovelock, Mina, Gardnerville, Gerlach, Sparks, and Verdi
317 AM PDT Wed Aug 20 2025
...HEAT ADVISORY IN EFFECT FROM NOON FRIDAY TO 9 AM PDT SATURDAY...
* WHAT...High temperatures ranging from 98 to 103 degrees and warm
lows between 65 to 72 degrees, with widespread Moderate to Major
HeatRisk.
* WHERE...Northern Washoe County, Western Nevada Basin and Range
including Pyramid Lake, Greater Reno-Carson City-Minden Area, and
Mineral and Southern Lyon Counties.
* WHEN...From noon Friday to 9 AM PDT Saturday.
* IMPACTS...Heat-related illnesses will be more likely, especially
for those spending extended periods outdoors, in poorly cooled
indoor spaces, or who are sensitive to heat.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
HC
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
213 AM PDT Wed Aug 20 2025
CAZ057-554-202300-
/O.CON.KSGX.HT.Y.0005.250821T1700Z-250823T0300Z/
Santa Ana Mountains and Foothills-Orange County Inland Areas-
Including the cities of Mission Viejo, Orange, Santa Ana,
Anaheim, Garden Grove, Irvine, and Fullerton
213 AM PDT Wed Aug 20 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THURSDAY TO 8 PM PDT
FRIDAY...
* WHAT...Temperatures up to 95 expected.
* WHERE...Orange County Inland Areas and Santa Ana Mountains and
Foothills.
* WHEN...From 10 AM Thursday to 8 PM PDT Friday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Thursday and Friday are expected to be the
hottest days.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
&&
$$
17
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
213 AM PDT Wed Aug 20 2025
CAZ055-056-058-202300-
/O.CON.KSGX.HT.Y.0005.250820T1700Z-250823T0300Z/
San Bernardino County Mountains-Riverside County Mountains-San
Diego County Mountains-
Including the cities of Lake Arrowhead, Idyllwild-Pine Cove,
Running Springs, Big Bear City, Crestline, Wrightwood, Big Bear
Lake, Pine Valley, and Julian
213 AM PDT Wed Aug 20 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM
PDT FRIDAY...
* WHAT...Temperatures in the 90s to around 100 below 5500 feet
elevation expected.
* WHERE...Riverside County Mountains, San Bernardino County
Mountains, and San Diego County Mountains.
* WHEN...From 10 AM this morning to 8 PM PDT Friday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Thursday and Friday are expected to be the
hottest days.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
213 AM PDT Wed Aug 20 2025
CAZ048-202300-
/O.CON.KSGX.HT.Y.0005.250820T1700Z-250824T0300Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Rancho Cucamonga, San Bernardino,
Ontario, Riverside, Corona, Fontana, and Moreno Valley
213 AM PDT Wed Aug 20 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM
PDT SATURDAY...
* WHAT...Temperatures up to 107 expected.
* WHERE...San Bernardino and Riverside County Valleys-The Inland
Empire.
* WHEN...From 10 AM this morning to 8 PM PDT Saturday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Thursday and Friday are expected to be the
hottest days.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
213 AM PDT Wed Aug 20 2025
CAZ050-202300-
/O.CON.KSGX.HT.Y.0005.250820T1700Z-250823T0300Z/
San Diego County Valleys-
Including the cities of Poway, El Cajon, Escondido, La Mesa, San
Marcos, and Santee
213 AM PDT Wed Aug 20 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM
PDT FRIDAY...
* WHAT...Temperatures up to 103 for the inland valleys are expected.
* WHERE...San Diego County Valleys.
* WHEN...From 10 AM this morning to 8 PM PDT Friday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Thursday and Friday are expected to be the
hottest days.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Memphis TN
348 AM CDT Wed Aug 20 2025
ARZ058-MSZ007-010>012-020-202000-
/O.CON.KMEG.HT.Y.0016.000000T0000Z-250821T0100Z/
Phillips-Tunica-Coahoma-Quitman-Panola-Tallahatchie-
Including the cities of Marks, Tunica, Clarksdale, Helena-West
Helena, Batesville, and Charleston
348 AM CDT Wed Aug 20 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...
* WHAT...Heat index values up to 108.
* WHERE...In Arkansas, Phillips County. In Mississippi, Coahoma,
Panola, Quitman, Tallahatchie, and Tunica Counties.
* WHEN...Until 8 PM CDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Memphis TN
348 AM CDT Wed Aug 20 2025
MSZ021>024-202000-
/O.CON.KMEG.HT.Y.0017.000000T0000Z-250821T0100Z/
Yalobusha-Calhoun-Chickasaw-Monroe-
Including the cities of Okolona, Calhoun City, Amory, Houston,
Bruce, Aberdeen, Coffeeville, and Water Valley
348 AM CDT Wed Aug 20 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...
* WHAT...Heat index values up to 107.
* WHERE...Calhoun, Chickasaw, Monroe, and Yalobusha Counties.
* WHEN...Until 8 PM CDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
AEH
URGENT - WEATHER MESSAGE
National Weather Service Glasgow MT
227 AM MDT Wed Aug 20 2025
MTZ017>020-022>027-062-210200-
/O.CON.KGGW.HT.Y.0004.000000T0000Z-250821T0200Z/
Central and Southern Valley-Daniels-Sheridan-Western Roosevelt-
Garfield-McCone-Richland-Dawson-Prairie-Wibaux-Eastern Roosevelt-
Including Scobey, Richey, Plentywood, Glendive, Sidney, Hinsdale,
Circle, Fort Peck, Terry, Culbertson, Medicine Lake, Jordan,
Glasgow, Wibaux, Fairview, Poplar, Wolf Point, and Frazer
227 AM MDT Wed Aug 20 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING...
* WHAT...Highs today 95 to 105.
* WHERE...A portion of northeast Montana east of Scobey, Glasgow and
Jordan.
* WHEN...Until 8 PM MDT this evening.
* IMPACTS...Hot temperatures may cause heat illnesses to occur.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Young children and pets should never be left unattended in vehicles
under any circumstances. Car interiors can reach lethal temperatures
in a matter of minutes.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
&&
$$
Forrester
URGENT - WEATHER MESSAGE
National Weather Service Fort Worth TX
251 AM CDT Wed Aug 20 2025
TXZ092-102-210000-
/O.CON.KFWD.HT.Y.0007.000000T0000Z-250821T0000Z/
Cooke-Wise-
Including the cities of Decatur, Gainesville, and Bridgeport
251 AM CDT Wed Aug 20 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...
* WHAT...Heat index values up to 105.
* WHERE...Cooke and Wise Counties.
* WHEN...Until 7 PM CDT this evening.
* IMPACTS...Hot temperatures and high humidity will increase the
risk for heat-related illnesses to occur, particularly for those
working or participating in outdoor activities.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors. Young children and
pets should never be left unattended in vehicles under any
circumstances. Do not leave young children and pets in unattended
vehicles.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent rest
breaks in shaded or air conditioned environments. Anyone overcome by
heat should be moved to a cool and shaded location. Heat stroke is
an emergency! Call 9 1 1.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Fort Worth TX
251 AM CDT Wed Aug 20 2025
TXZ093>095-103>107-118>123-133>135-144>148-158>162-174-175-210000-
/O.CON.KFWD.HT.Y.0007.000000T0000Z-250821T0000Z/
Grayson-Fannin-Lamar-Denton-Collin-Hunt-Delta-Hopkins-Tarrant-
Dallas-Rockwall-Kaufman-Van Zandt-Rains-Johnson-Ellis-Henderson-
Bosque-Hill-Navarro-Freestone-Anderson-Bell-McLennan-Falls-
Limestone-Leon-Milam-Robertson-
Including the cities of Heath, Greenville, Gun Barrel City,
Waxahachie, Burleson, Killeen, Valley Mills, Wortham, Teague,
Bonham, Fort Hood, Mexia, Hearne, Plano, Cleburne, Paris,
Meridian, Frisco, Fairfield, McKinney, Flower Mound, Allen,
Normangee, Point, Denison, Hillsboro, Oakwood, Marlin, Cameron,
Fort Worth, East Tawakoni, Carrollton, Clifton, Canton, Athens,
Rockwall, Cooper, Commerce, Jewett, Van, Grand Saline, Ennis,
Forney, Waco, Palestine, Buffalo, Terrell, Groesbeck,
Centerville, Calvert, Arlington, Edgewood, Lewisville, Dallas,
Rockdale, Wills Point, Franklin, Midlothian, Sherman, Kaufman,
Temple, Corsicana, Sulphur Springs, Emory, and Denton
251 AM CDT Wed Aug 20 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...
* WHAT...Heat index values up to 109.
* WHERE...Portions of North and Central Texas.
* WHEN...Until 7 PM CDT this evening.
* IMPACTS...Hot temperatures and high humidity will increase the
risk for heat-related illnesses to occur, particularly for those
working or participating in outdoor activities.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors. Young children and
pets should never be left unattended in vehicles under any
circumstances. Do not leave young children and pets in unattended
vehicles.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent rest
breaks in shaded or air conditioned environments. Anyone overcome by
heat should be moved to a cool and shaded location. Heat stroke is
an emergency! Call 9 1 1.
&&
$$
12
URGENT - WEATHER MESSAGE
National Weather Service Fort Worth TX
251 AM CDT Wed Aug 20 2025
TXZ091-210000-
/O.CON.KFWD.HT.Y.0008.000000T0000Z-250821T0000Z/
Montague-
Including the cities of Bowie and Nocona
251 AM CDT Wed Aug 20 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...
* WHAT...Heat index values up to 105.
* WHERE...Montague County.
* WHEN...Until 7 PM CDT this evening.
* IMPACTS...Hot temperatures and high humidity will increase the
risk for heat-related illnesses to occur, particularly for those
working or participating in outdoor activities.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors. Young children and
pets should never be left unattended in vehicles under any
circumstances. Do not leave young children and pets in unattended
vehicles.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent rest
breaks in shaded or air conditioned environments. Anyone overcome by
heat should be moved to a cool and shaded location. Heat stroke is
an emergency! Call 9 1 1.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Jackson MS
241 AM CDT Wed Aug 20 2025
ARZ074-075-LAZ007>009-015-023-024-026-MSZ026-028>033-037-049-055-
059>066-072>074-201545-
/O.CON.KJAN.HT.Y.0027.250820T1500Z-250821T0100Z/
Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland-
Franklin LA-Catahoula-Concordia-Grenada-Montgomery-Webster-Clay-
Lowndes-Choctaw-Oktibbeha-Attala-Rankin-Simpson-Jefferson-Adams-
Franklin MS-Lincoln-Lawrence-Jefferson Davis-Covington-Jones-
Marion-Lamar-Forrest-
Including the cities of Natchez, Crossett, Pearl, Richland,
Vidalia, West Ferriday, Rayville, Bude, Monticello, Columbus,
Roxie, Bastrop, Winnsboro, Meadville, Lake Village, Brookhaven,
Purvis, West Crossett, Eupora, Ackerman, Jonesville, Hamburg, New
Hebron, Winona, Starkville, North Crossett, Lake Providence,
Epps, Weir, Eudora, Magee, Ferriday, Kosciusko, West Hattiesburg,
Columbia, Lumberton, Grenada, Bassfield, Collins, Mendenhall,
Fayette, Brandon, Prentiss, Delhi, West Point, Harrisonburg,
Mathiston, Dermott, Oak Grove, Hattiesburg, Laurel, and Mount
Olive
241 AM CDT Wed Aug 20 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM
CDT THIS EVENING...
* WHAT...Heat index values up to 110 expected.
* WHERE...Portions of southeast Arkansas, northeast Louisiana, and
central and south Mississippi.
* WHEN...From 10 AM this morning to 8 PM CDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat
related illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
&&
$$
DL
URGENT - WEATHER MESSAGE
National Weather Service Jackson MS
241 AM CDT Wed Aug 20 2025
MSZ044-050-056-201545-
/O.EXA.KJAN.HT.Y.0027.250820T1500Z-250821T0100Z/
Leake-Scott-Smith-
Including the cities of Raleigh, Morton, Carthage, Taylorsville,
and Forest
241 AM CDT Wed Aug 20 2025
...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 8 PM CDT THIS
EVENING...
* WHAT...Heat index values up to 110 expected.
* WHERE...Leake, Scott, and Smith counties in Mississippi.
* WHEN...From 10 AM this morning to 8 PM CDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat
related illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Aberdeen SD
231 AM CDT Wed Aug 20 2025
SDZ015-033>035-045-048-201745-
/O.NEW.KABR.HT.Y.0013.250820T1800Z-250821T0100Z/
Dewey-Stanley-Sully-Hughes-Jones-Lyman-
Including the cities of Kennebec, Isabel, Pierre, Onida, Murdo,
and Fort Pierre
231 AM CDT Wed Aug 20 2025 /131 AM MDT Wed Aug 20 2025/
...HEAT ADVISORY IN EFFECT FROM 1 PM CDT /NOON MDT/ THIS AFTERNOON
TO 8 PM CDT /7 PM MDT/ THIS EVENING...
* WHAT...Heat index values up to 104 expected.
* WHERE...Hughes, Jones, Lyman, Stanley, Sully, and Dewey Counties.
* WHEN...From 1 PM CDT /noon MDT/ this afternoon to 8 PM CDT /7 PM
MDT/ this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
&&
$$
06
URGENT - WEATHER MESSAGE
National Weather Service Bismarck ND
228 AM CDT Wed Aug 20 2025
NDZ001-002-009-010-017-018-031-032-201530-
/O.CON.KBIS.HT.Y.0003.250820T1800Z-250821T0000Z/
Divide-Burke-Williams-Mountrail-McKenzie-Dunn-Golden Valley-
Billings-
Including the cities of Beach, Lignite, Stanley, Parshall,
Williston, Columbus, Watford City, Powers Lake, Bowbells, Portal,
Medora, New Town, Crosby, Halliday, and Killdeer
228 AM CDT Wed Aug 20 2025 /128 AM MDT Wed Aug 20 2025/
...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM CDT /NOON MDT/ THIS
AFTERNOON TO 7 PM CDT /6 PM MDT/ THIS EVENING...
* WHAT...Heat index values around 100 expected.
* WHERE...Portions of western North Dakota.
* WHEN...From 1 PM CDT /noon MDT/ this afternoon to 7 PM CDT /6 PM
MDT/ this evening.
* IMPACTS...High temperatures and high humidity could cause heat
illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
&&
$$
Smith
URGENT - WEATHER MESSAGE
National Weather Service Miami FL
228 AM EDT Wed Aug 20 2025
FLZ067-068-071>074-168-172>174-201430-
/O.NEW.KMFL.HT.Y.0010.250820T1500Z-250820T2300Z/
Inland Palm Beach County-Metro Palm Beach County-Inland Broward
County-Metro Broward County-Inland Miami-Dade County-Metropolitan
Miami Dade-Coastal Palm Beach County-Coastal Broward County-
Coastal Miami Dade County-Far South Miami-Dade County-
Including the cities of Sunrise, Redland, Lion Country Safari
Park, Greenacres City, Kendale Lakes, Belle Glade, Hialeah,
Boynton Beach, Sandalfoot Cove, Royal Palm Beach, West Palm
Beach, Miami, Hollywood, Florida City, Carol City, Delray Beach,
Miccosukee Indian Reservation, Palm Beach Gardens, Miramar,
Pompano Beach, Jupiter, The Acreage, Royal Palm Ranger,
Wellington, Boca Raton, Mahogany Hammock, Shark Valley Obs Tower,
Florida Gardens, Sawgrass Mills Mal, Caloosa, Kendall, Pa-Hay
Okee Overlook, Coral Springs, Fortymile Bend, Davie, Fort
Lauderdale, Lake Worth, Pembroke Pines, Riviera Beach, and
Deerfield Beach
228 AM EDT Wed Aug 20 2025
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 7 PM EDT THIS
EVENING...
* WHAT...Heat index values up to 110 expected.
* WHERE...Coastal Broward County, Coastal Miami Dade County, Coastal
Palm Beach County, Far South Miami-Dade County, Inland Broward
County, Inland Miami-Dade County, Inland Palm Beach County, Metro
Broward County, Metro Palm Beach County, and Metropolitan Miami
Dade Counties.
* WHEN...From 11 AM this morning to 7 PM EDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
&&
$$
GR
URGENT - WEATHER MESSAGE
National Weather Service San Juan PR
223 AM AST Wed Aug 20 2025
PRZ012-013-VIZ001-002-202100-
/O.NEW.TJSJ.HT.Y.0040.250820T1300Z-250820T2100Z/
Culebra-Vieques-St.Thomas...St. John...and Adjacent Islands-St
Croix-
Including the cities of Vieques, Christiansted, Frederiksted
Southeast, Charlotte Amalie East, Charlotte Amalie West, Grove
Place, Cruz Bay, Charlotte Amalie, Culebra, Anna`s Retreat, and
Frederiksted
223 AM AST Wed Aug 20 2025
...HEAT ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 5 PM AST THIS
AFTERNOON...
* WHAT...This level of heat affect most individuals sensitive to
heat, especially those without effective cooling and/or adequate
hydration. Impacts possible in some health system and in
heat-sensitive industries.
* WHERE...In Puerto Rico, Culebra and Vieques. In Virgin Islands, St
Croix and St. Thomas, St. John, and Adjacent Islands.
* WHEN...From 9 AM this morning to 5 PM AST this afternoon.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
&&
$$
ERG
URGENT - WEATHER MESSAGE
National Weather Service Shreveport LA
1241 AM CDT Wed Aug 20 2025
ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-TXZ096-
097-108>112-124>126-136>138-149>153-165>167-210000-
/O.CON.KSHV.HT.Y.0014.000000T0000Z-250821T0000Z/
Sevier-Howard-Little River-Hempstead-Nevada-Miller-Lafayette-
Columbia-Union-Caddo-Bossier-Webster-Claiborne-Lincoln-Union-De
Soto-Red River-Bienville-Jackson-Ouachita-Sabine-Natchitoches-
Winn-Grant-Caldwell-La Salle-McCurtain-Red River-Bowie-Franklin-
Titus-Camp-Morris-Cass-Wood-Upshur-Marion-Smith-Gregg-Harrison-
Cherokee-Rusk-Panola-Nacogdoches-Shelby-Angelina-San Augustine-
Sabine-
Including the cities of Rusk, Winnsboro, Coushatta, Many,
Jonesboro, Homer, Arcadia, Lufkin, Lewisville, Minden,
Jacksonville, Lone Star, Henderson, Mount Pleasant, Hughes
Springs, Gibsland, Pleasant Hill, Jena, Nacogdoches, Olla,
Mineola, Jefferson, Mount Vernon, El Dorado, Dry Prong,
Logansport, Clarks, Quitman, Hope, Queen City, Bossier City,
Stonewall, Ringgold, Winnfield, Hawkins, Bogata, Longview,
Haynesville, Broken Bow, Zwolle, Prescott, Magnolia, Columbia,
Farmerville, Clarksville, Pittsburg, De Queen, San Augustine,
Center, Omaha, Nashville, Naples, Natchitoches, Bradley,
Shreveport, Big Sandy, Dierks, Pineland, Texarkana, Idabel,
Grayson, Mineral Springs, Tyler, Marshall, Daingerfield, Midway,
Gilmer, Colfax, Ruston, Springhill, Stamps, Montgomery, Linden,
Atlanta, Hemphill, Martin, Bernice, Ashdown, Monroe, Carthage,
and Mansfield
1241 AM CDT Wed Aug 20 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...
* WHAT...Heat index values up to 110.
* WHERE...Portions of south central and southwest Arkansas, north
central and northwest Louisiana, southeast Oklahoma, and east and
northeast Texas.
* WHEN...Until 7 PM CDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
&&
$$
53
URGENT - WEATHER MESSAGE
National Weather Service Little Rock AR
1220 AM CDT Wed Aug 20 2025
ARZ031-032-039-042>047-052>057-062>069-121-122-130-137-138-140-141-
230-237-238-240-241-340-341-202100-
/O.CON.KLZK.HT.Y.0024.250820T1700Z-250821T0100Z/
Conway-Faulkner-Perry-Garland-Saline-Pulaski-Lonoke-Prairie-
Monroe-Pike-Clark-Hot Spring-Grant-Jefferson-Arkansas-Dallas-
Cleveland-Lincoln-Desha-Ouachita-Calhoun-Bradley-Drew-Southern
Johnson County-Southern Pope County-Western and Northern Logan
County-Northern Scott County-Northwest Yell County-Polk County
Lower Elevations-Central and Eastern Montgomery County-Southern
and Eastern Logan County-Central and Southern Scott County-Yell
Excluding Northwest-Northern Polk County Higher Elevations-
Northern Montgomery County Higher Elevations-Southeast Polk
County Higher Elevations-Southwest Montgomery County Higher
Elevations-
Including the cities of Hazen, Star City, Thornton, Norman,
Boles, Clarendon, Mena, Sugar Grove, Rison, McGehee, Hampton,
Mountain Fork, Dardanelle, Rich Mountain, Caulksville, Kingsland,
Sheridan, Knoxville, Coal Hill, Stuttgart, Nunley, Arkadelphia,
Mansfield, Des Arc, Cabot, Hector, Grannis, Story, Paris,
Hatfield, Dumas, Russellville, Hartman, Morrilton, Hot Springs,
Camden, Waldron, London, Plainview, Hartley, De Witt,
Clarksville, Danville, Glenwood, De Valls Bluff, Monticello, Pine
Bluff, Warren, Malvern, Blue Mountain, North Little Rock,
Brinkley, Atkins, Mount Magazine, Albert, Benton, Murfreesboro,
Havana, Waveland, Mount Ida, Y City, Little Rock, Perryville,
Ola, Acorn, Lonoke, Subiaco, Big Fork, Conway, Booneville,
Bryant, Fordyce, and Gould
1220 AM CDT Wed Aug 20 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS
EVENING...
* WHAT...Heat index values up to 107 expected.
* WHERE...Portions of central, eastern, southeast, southwest, and
western Arkansas.
* WHEN...From noon today to 8 PM CDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
67
URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
1010 PM PDT Tue Aug 19 2025
CAZ107-108-111-114-115-201900-
/O.CON.KEKA.HT.Y.0006.250821T1800Z-250824T0600Z/
Northern Trinity-Southern Trinity-Northeastern Mendocino Interior-
Northern Lake-Southern Lake-
Including Finley, Douglas City, Middletown, Clearlake, Clearlake
Park, Trinity Center, Hidden Valley Lake, Big Bar, Weaverville,
Covelo, Ruth, Hyampom, Forest Glen, Carrville, Hayfork, Del Loma,
Junction City, Helena, Lakeport, Gravelly Valley Airport, and
Peanut
1010 PM PDT Tue Aug 19 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THURSDAY TO 11 PM PDT
SATURDAY...
* WHAT...High temperatures from 100 to 110 with moderate to isolated
Major HeatRisk.
* WHERE...Trinity County, Lake County, and Northeastern Mendocino
Interior.
* WHEN...From 11 AM Thursday to 11 PM PDT Saturday.
* IMPACTS...Hot temperatures and warm nights may cause heat
illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
Schedule frequent rest breaks in shaded or air conditioned
environments during outdoor work. Anyone overcome by heat should be
moved to a cool and shaded location. Heat stroke is an emergency!
Call 9 1 1.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
1010 PM PDT Tue Aug 19 2025
CAZ105-106-110-113-201900-
/O.CON.KEKA.HT.Y.0006.250822T1800Z-250824T0600Z/
Northern Humboldt Interior-Southern Humboldt Interior-
Northwestern Mendocino Interior-Southeastern Mendocino Interior-
Including Calpella, Bull Creek, Ukiah, Redwood Valley, Orleans,
Weitchpec, Willow Creek, Laytonville, Hopland, Hoopa, Potter
Valley, Talmage, Benbow, Garberville, and Alderpoint
1010 PM PDT Tue Aug 19 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM FRIDAY TO 11 PM PDT
SATURDAY...
* WHAT...Temperatures from 100 to 109 with moderate to isolated
Major HeatRisk.
* WHERE...Humboldt Interior, Northwestern Mendocino Interior, and
Southeastern Mendocino Interior.
* WHEN...From 11 AM Friday to 11 PM PDT Saturday.
* IMPACTS...Hot temperatures and warm night may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
Schedule frequent rest breaks in shaded or air conditioned
environments during outdoor work. Anyone overcome by heat should be
moved to a cool and shaded location. Heat stroke is an emergency!
Call 9 1 1.
&&
$$
For hazard areas see https://www.wrh.noaa.gov/map/?wfo=eka
JHW
URGENT - WEATHER MESSAGE
National Weather Service Tulsa OK
1153 PM CDT Tue Aug 19 2025
ARZ019-020-029-OKZ049-053-072>076-201700-
/O.CON.KTSA.HT.Y.0027.250820T1700Z-250821T0100Z/
Crawford-Franklin-Sebastian-Pushmataha-Choctaw-Sequoyah-Pittsburg-
Haskell-Latimer-Le Flore-
Including the cities of Antlers, Stigler, Van Buren, Ozark, Fort
Smith, Charleston, Sallisaw, Hugo, McAlester, Clayton, Wilburton,
and Poteau
1153 PM CDT Tue Aug 19 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 8 PM CDT WEDNESDAY...
* WHAT...Heat index values up to 105 expected.
* WHERE...In Arkansas, Crawford, Franklin, and Sebastian Counties.
In Oklahoma, Sequoyah, Choctaw, Haskell, Latimer, Le Flore,
Pittsburg, and Pushmataha Counties.
* WHEN...From noon to 8 PM CDT Wednesday.
* IMPACTS...Heat related illnesses are possible especially impacting
those not acclimated to the conditions or those performing
strenuous activities.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service New Orleans LA
1134 PM CDT Tue Aug 19 2025
LAZ034>037-039-046>048-057-058-060-071-076>087-MSZ068>071-077-
083>088-201245-
/O.CON.KLIX.HT.Y.0022.250820T1600Z-250820T2300Z/
Pointe Coupee-West Feliciana-East Feliciana-St. Helena-Washington-
Iberville-West Baton Rouge-East Baton Rouge-St. James-St. John
The Baptist-St. Charles-Northern Tangipahoa-Southeast St. Tammany-
Western Orleans-Eastern Orleans-Northern St. Tammany-Southwestern
St. Tammany-Central Tangipahoa-Lower Tangipahoa-Northern
Livingston-Southern Livingston-Western Ascension-Eastern
Ascension-Upper Jefferson-Wilkinson-Amite-Pike-Walthall-Pearl
River-Northern Hancock-Northern Harrison-Northern Jackson-
Southern Hancock-Southern Harrison-Southern Jackson-
Including the cities of Salem, Kenner, Necaise, Bay St. Louis,
Pascagoula, Spillman, Mandeville, Sorrento, Gretna, Diamondhead,
Kiln, Saucier, Geismar, Lettsworth, Long Beach, New Orleans,
Franklinton, Reserve, Gramercy, Killian, Denham Springs, Slidell,
Gloster, McComb, Acy, Ponchatoula, Gulfport, Amite, East New
Orleans, Prairieville, Baton Rouge, Biloxi, Pass Christian,
Clinton, McNeil, Akers, Wakefield, Easleyville, Wilmer,
Centreville, Felps, Greensburg, Marrero, Folsom, Bogalusa,
Independence, St. Francisville, Convent, French Settlement,
Addis, Roseland, Port Allen, St. Martin, Westwego, Bush, Jackson,
Norco, Kentwood, Covington, Walker, Springfield, Gonzales,
Vancleave, New Roads, Donaldsonville, Bayou Sorrel, Montpelier,
Ocean Springs, Moss Point, Darlington, Poplarville, Enon,
Woodville, Brusly, Smithdale, Lutcher, Laplace, Harahan, White
Castle, Destrehan, Waveland, Dexter, Lyman, Livonia, Robert, Fort
Adams, Plaquemine, Picayune, Gillsburg, Escatawpa, Livingston,
Liberty, Hammond, Whitehall, Crossroads, Wade, Pearlington,
Gautier, Madisonville, Sellers, Tylertown, Dolorosa, Metairie,
and Tickfaw
1134 PM CDT Tue Aug 19 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 6 PM CDT
WEDNESDAY...
* WHAT...Heat index values up to 110 expected.
* WHERE...Portions of southeast Louisiana and southern Mississippi.
* WHEN...From 11 AM to 6 PM CDT Wednesday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
&&
$$
PG
URGENT - WEATHER MESSAGE
National Weather Service Norman OK
826 PM CDT Tue Aug 19 2025
OKZ032-043-047-048-050>052-201530-
/O.EXP.KOUN.HT.Y.0021.000000T0000Z-250820T0100Z/
/O.CON.KOUN.HT.Y.0022.250820T1700Z-250821T0100Z/
Hughes-Coal-Johnston-Atoka-Love-Marshall-Bryan-
Including the cities of Durant, Marietta, Tishomingo, Atoka,
Holdenville, Coalgate, Madill, Kingston, Thackerville, and
Wetumka
826 PM CDT Tue Aug 19 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 8 PM CDT WEDNESDAY...
* WHAT...Heat index values between 105 to 110 expected.
* WHERE...Atoka, Bryan, Coal, Hughes, Johnston, Marshall, and Love
Counties.
* WHEN...From noon to 8 PM CDT Wednesday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Sacramento CA
141 PM PDT Tue Aug 19 2025
CAZ013-015>019-063-202300-
/O.NEW.KSTO.HT.Y.0004.250822T1800Z-250824T0600Z/
Shasta Lake Area / Northern Shasta County-Northern Sacramento
Valley-Central Sacramento Valley-Southern Sacramento Valley-
Carquinez Strait and Delta-Northern San Joaquin Valley-Mountains
Southwestern Shasta County to Western Colusa County-
Including the cities of Chico, Marysville/Yuba City, Stockton,
Oroville, Fairfield/Suisun, Sacramento, Alder Springs, Shasta
Dam, Modesto, Red Bluff, and Redding
141 PM PDT Tue Aug 19 2025
...HEAT ADVISORY IN EFFECT FROM 11 AM FRIDAY TO 11 PM PDT SATURDAY...
* WHAT...High temperatures 95 to 106 expected. Overnight low
temperatures in the mid 60s to 70s. Widespread Moderate HeatRisk
with areas of Major HeatRisk.
* WHERE...Carquinez Strait and Delta, Mountains Southwestern Shasta
County to Western Colusa County, Shasta Lake Area / Northern
Shasta County, Sacramento Valley and Northern San Joaquin Valley.
* WHEN...From 11 AM Friday to 11 PM PDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during
heat events, particularly for those working or participating in
outdoor activities.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
&&
$$
For more information, visit us at www.weather.gov/sto/
IDS
