Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service Little Rock AR
815 AM CDT Fri Sep 18 2026
ARZ007-008-016-017-025-033-034-046-047-057-190400-
/O.CON.KLZK.HT.Y.0035.000000T0000Z-260920T0100Z/
Sharp-Randolph-Independence-Lawrence-Jackson-White-Woodruff-Prairie-
Monroe-Arkansas-
Including the cities of De Witt, Stuttgart, McCrory, De Valls Bluff,
Cave City, Hoxie, Beebe, Attica, Augusta, Des Arc, Hardy, Newport,
Walnut Ridge, Batesville, Ash Flat, Searcy, Pocahontas, Cotton Plant,
Clarendon, Brinkley, and Hazen
815 AM CDT Fri Sep 18 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT SATURDAY...
* WHAT...Heat index values up to 106.
* WHERE...Prairie, White, Jackson, Lawrence, Monroe, Randolph,
Woodruff, Independence, Sharp, and Arkansas Counties.
* WHEN...Until 8 PM CDT Saturday.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Memphis TN
1023 PM CDT Thu Sep 17 2026
ARZ009-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001>017-020>024-
TNZ001>004-019>022-048>055-088>092-181830-
/O.CON.KMEG.HT.Y.0032.000000T0000Z-260920T0100Z/
Clay-Greene-Craighead-Poinsett-Mississippi-Cross-Crittenden-St.
Francis-Lee AR-Phillips-Dunklin-Pemiscot-DeSoto-Marshall-Benton
MS-Tippah-Alcorn-Tishomingo-Tunica-Tate-Prentiss-Coahoma-Quitman-
Panola-Lafayette-Union-Pontotoc-Lee MS-Itawamba-Tallahatchie-
Yalobusha-Calhoun-Chickasaw-Monroe-Lake-Obion-Weakley-Henry-Dyer-
Gibson-Carroll-Benton TN-Lauderdale-Tipton-Haywood-Crockett-Madison-
Chester-Henderson-Decatur-Shelby-Fayette-Hardeman-McNairy-Hardin-
Including the cities of Pontotoc, Senatobia, Alamo, Blytheville,
Dyersburg, Milan, Caruthersville, Jackson, Marianna, Ripley TN,
Germantown, Somerville, Helena-West Helena, Covington, Oakland,
Bruce, Forrest City, Olive Branch, Millington, Bartlett, Selmer,
Tupelo, Clarksdale, Parsons, Holly Springs, Ashland, Ripley MS,
Martin, Water Valley, Wynne, Huntingdon, Tiptonville, Memphis,
Coffeeville, Dresden, Lexington, Paragould, Iuka, Harrisburg,
Henderson, West Memphis, Jonesboro, Corinth, Collierville, Southaven,
Okolona, Union City, Aberdeen, Bolivar, Savannah, Batesville,
Brownsville, New Albany, Camden, Kennett, Decaturville, Tunica,
Houston, Piggott, Marks, Fulton, Corning, Calhoun City, Paris,
Humboldt, Booneville, Oxford, Charleston, and Amory
1023 PM CDT Thu Sep 17 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT SATURDAY...
* WHAT...Heat index values up to 106.
* WHERE...Portions of East Arkansas, North Mississippi, Southeast
Missouri, and West Tennessee.
* WHEN...Until 8 PM CDT Saturday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
DNM
Air Quality Alert
TXZ102>105-117>121-131-133>135-190015-
Air Quality Alert Message
Texas Commission on Environmental Quality
Relayed by National Weather Service Fort Worth TX
408 PM CDT Thu Sep 17 2026
...OZONE ACTION DAY...
The Texas Commission on Environmental Quality (TCEQ) has issued
an Ozone Action Day for the Dallas-Fort Worth area for Friday,
September 18, 2026.
Atmospheric conditions are expected to be favorable for producing
high levels of ozone air pollution in the Dallas-Fort Worth area
on Friday. You can help prevent ozone pollution by sharing a
ride, walking, riding a bicycle, taking your lunch to work,
avoiding drive-through lanes, conserving energy, and keeping your
vehicle properly tuned.
For more information on ozone:
Ozone: The Facts (www.tceq.texas.gov/goto/ozonefacts)
Air North Texas: (www.airnorthtexas.org)
EPA Air Now
(www.airnow.gov/index.cfm?action.local_state&STATEID=45&TAB=0)
Take care of Texas (www.takecareoftexas.org)
North Central Texas Council of Governments Air Quality
(www.nctcog.org/trans/air/index.asp)
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Tulsa OK
420 AM CDT Fri Sep 18 2026
ARZ001-002-010-011-119-120-129-219-220-229-OKZ049-053-055>071-
073>075-154-172-176-254-272-276-354-376-190930-
Benton-Carroll-Washington AR-Madison-Northern Crawford-
Northern Franklin-North and Central Sebastian-Southern Crawford-
Central and Southern Franklin-Southern Sebastian-Pushmataha-
Choctaw-Washington OK-Nowata-Craig-Ottawa-Pawnee-Tulsa-Rogers-
Mayes-Delaware-Creek-Okfuskee-Okmulgee-Wagoner-Cherokee-Adair-
Muskogee-McIntosh-Pittsburg-Haskell-Latimer-Western Osage-
Northern Sequoyah-Northern Le Flore-Northeast Osage-
Central and Southern Sequoyah-Central Le Flore-Southeast Osage-
Southern Le Flore-
420 AM CDT Fri Sep 18 2026
This Outlook is for Northwest and West Central Arkansas as well as
much of Eastern Oklahoma.
.DAY ONE...Today and Tonight.
DANGEROUS HEAT.
RISK...Limited.
AREA...Northeast Oklahoma; West-central Arkansas.
ONSET...Afternoon.
FIRE WEATHER DANGER.
RISK...Limited.
AREA...Eastern Oklahoma; Northwest Arkansas.
ONSET...Afternoon.
DISCUSSION...
Afternoon heat indices will climb to between 100 and 105 across
much of eastern Oklahoma and northwest Arkansas. Limited fire
weather danger conditions will exist areawide. Winds will be
stronger across northeast Oklahoma and northwest Arkansas, but
fuels are more favorable across southeast Oklahoma due to lack of
recent rainfall.
SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
Spotter Activation Not Expected.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
SATURDAY through MONDAY...Thunderstorm Potential.
TUESDAY and WEDNESDAY...No Hazards.
THURSDAY...Thunderstorm Potential.
EXTENDED DISCUSSION...
Stronger southwest winds on Saturday across northeast Oklahoma and
northwest Arkansas will again raise fire weather concerns.
A cold front will bring increasing rain and thunderstorm chances
this weekend into early next week, especially on Sunday
afternoon. There is a limited threat of severe weather with these
storms, with hail and wind the primary threats.
weather.gov/tulsa contains additional information.
$$
