Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service Kansas City/Pleasant Hill MO
243 PM CDT Mon Aug 18 2025
KSZ060-MOZ025-032-033-039-040-043>046-053-054-190000-
/O.CON.KEAX.HT.Y.0010.000000T0000Z-250819T0000Z/
Linn KS-Macon-Chariton-Randolph-Saline-Howard-Cass-Johnson MO-
Pettis-Cooper-Bates-Henry-
Including the cities of Boonville, Clinton, Pleasanton, Moberly,
Butler, Sedalia, Mound City, New Franklin, Warrensburg,
Brunswick, Harrisonville, Macon, La Cygne, Marshall, Pleasant
Hill, Fayette, La Plata, Salisbury, Adrian, Raymore, Keytesville,
Belton, Windsor, Glasgow, and Rich Hill
243 PM CDT Mon Aug 18 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...
* WHAT...Heat index values up to 106.
* WHERE...Portions of east central Kansas and central, north
central, and west central Missouri.
* 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.
&&
$$
https://www.weather.gov/eax
Krull
URGENT - WEATHER MESSAGE
National Weather Service Lincoln IL
238 PM CDT Mon Aug 18 2025
ILZ027>031-036>038-040>057-061>063-066>068-071>073-190100-
/O.CON.KILX.HT.Y.0007.000000T0000Z-250819T0100Z/
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-
Schuyler-Mason-Logan-De Witt-Piatt-Champaign-Vermilion-Cass-
Menard-Scott-Morgan-Sangamon-Christian-Macon-Moultrie-Douglas-
Coles-Edgar-Shelby-Cumberland-Clark-Effingham-Jasper-Crawford-
Clay-Richland-Lawrence-
Including the cities of Galesburg, Havana, Springfield, Pekin,
Sullivan, Jacksonville, Decatur, Canton, Lacon, Normal, Toulon,
Eureka, Champaign, Charleston, Bloomington, Lincoln, Taylorville,
Robinson, Marshall, Shelbyville, Beardstown, Clinton, Rushville,
Lawrenceville, Urbana, Olney, Flora, Mattoon, Tuscola, Peoria,
Petersburg, Effingham, Winchester, Monticello, Danville, Greenup,
Newton, and Paris
238 PM CDT Mon Aug 18 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...
* WHAT...Heat index values up to 107.
* WHERE...Portions of central, east central, southeast, and west
central Illinois.
* WHEN...Until 8 PM CDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
If you do not have air conditioning in your home or lack shelter,
you can call 211 or visit 211illinois.org for assistance locating
appropriate shelter from the heat.
&&
$$
Deubelbeiss
URGENT - WEATHER MESSAGE
National Weather Service St Louis MO
148 PM CDT Mon Aug 18 2025
ILZ058>060-095>099-MOZ018-019-026-027-034>036-041-042-050>052-190100-
/O.CON.KLSX.HT.Y.0003.000000T0000Z-250819T0100Z/
Greene IL-Macoupin IL-Montgomery IL-Adams IL-Brown IL-Pike IL-
Calhoun IL-Jersey IL-Knox MO-Lewis MO-Shelby MO-Marion MO-Monroe
MO-Ralls MO-Pike MO-Boone MO-Audrain MO-Callaway MO-Montgomery MO-
Lincoln MO-
Including the cities of Hannibal, Columbia, Litchfield,
Pittsfield, Mexico, Fulton, Mount Sterling, Bowling Green, and
Quincy
148 PM CDT Mon Aug 18 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...
* WHAT...Heat index values up to 107.
* WHERE...Portions of south central, southwest, and west central
Illinois and central, east central, and northeast Missouri.
* 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. Young children and
pets should never be left unattended in vehicles under any
circumstances. Take extra precautions if you work or spend time
outside. When possible reschedule strenuous activities to early
morning or evening. Know the signs and symptoms of heat exhaustion
and heat stroke. Wear lightweight and loose fitting clothing when
possible. 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.
People in the Saint Louis Metropolitan Area can get information
about cooling centers or energy assistance related to the excessive
heat by calling the United Way of Greater Saint Louis at
800-427-4626, or if calling from a land line phone dial 2-1-1. You
can also call Cool Down Saint Louis at 314-241-7668.
&&
$$
Elmore
URGENT - WEATHER MESSAGE
National Weather Service St Louis MO
148 PM CDT Mon Aug 18 2025
ILZ064-065-069-070-074-079-100>102-MOZ047>049-059>065-072>075-084-
085-099-191000-
/O.EXT.KLSX.HT.Y.0003.000000T0000Z-250820T0100Z/
Bond IL-Fayette IL-Clinton IL-Marion IL-Washington IL-Randolph IL-
Madison IL-Saint Clair IL-Monroe IL-Moniteau MO-Cole MO-Osage MO-
Gasconade MO-Warren MO-Saint Charles MO-Franklin MO-Saint Louis
MO-Saint Louis City MO-Jefferson MO-Crawford MO-Washington MO-
Saint Francois MO-Sainte Genevieve MO-Iron MO-Madison MO-Reynolds
MO-
Including the cities of Chester, Alton, Salem, Belleville, Saint
Charles, Union, Saint Louis, Farmington, Sparta, Washington,
Cahokia, Vandalia, Centralia, Jefferson City, Edwardsville, and
Sullivan
148 PM CDT Mon Aug 18 2025
...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM CDT TUESDAY...
* WHAT...Heat index values up to 104.
* WHERE...Portions of south central and southwest Illinois and
central, east central, and southeast Missouri.
* WHEN...Until 8 PM CDT Tuesday.
* 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. Young children and
pets should never be left unattended in vehicles under any
circumstances. Take extra precautions if you work or spend time
outside. When possible reschedule strenuous activities to early
morning or evening. Know the signs and symptoms of heat exhaustion
and heat stroke. Wear lightweight and loose fitting clothing when
possible. 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.
People in the Saint Louis Metropolitan Area can get information
about cooling centers or energy assistance related to the excessive
heat by calling the United Way of Greater Saint Louis at
800-427-4626, or if calling from a land line phone dial 2-1-1. You
can also call Cool Down Saint Louis at 314-241-7668.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Springfield MO
139 PM CDT Mon Aug 18 2025
KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-191845-
/O.EXT.KSGF.HT.Y.0004.000000T0000Z-250820T0100Z/
Bourbon-Crawford-Cherokee-Benton-Morgan-Miller-Maries-Vernon-St.
Clair-Hickory-Camden-Pulaski-Phelps-Barton-Cedar-Polk-Dallas-
Laclede-Texas-Dent-Jasper-Dade-Greene-Webster-Wright-Newton-
Lawrence-Christian-Douglas-Howell-Shannon-McDonald-Barry-Stone-
Taney-Ozark-Oregon-
Including the cities of Riverton, Charity, Ozark, White Church,
Arnica, Lincoln, Pittsburg, Rome, Eldon, Edmonson, Crockerville,
Olive, Lebanon, Nixa, Winona, Greer, Bolivar, Whitakerville,
Lynchburg, Vanzant, Pomona, Thomasville, Osage Beach, Camdenton,
Goodman, Alton, El Dorado Springs, Laurie, Kenoma, Pineville,
Crane, Forsyth, Vichy, Baxter Springs, Indian Point, Greenfield,
Caplinger Mills, Elsey, Stockton, Anderson, Graff, Squires,
Darien, Northview, Roach, Stover, Birch Tree, Tiffin, Cross
Timbers, Versailles, Fort Scott, Rocky Comfort, Madry, Gladden,
Aurora, South West City, Huggins, Marionville, Chicopee,
Windyville, Couch, Stippville, Warsaw, Filley, Nevada, Northwye,
Duncan, Foose, Mansfield, Teresita, Mora, Neosho, Bangert,
Goodhope, Noel, Quincy, Wasola, Jadwin, Lake Spring, Dawson,
Neutral, Appleton City, Bendavis, Wilderness, Howes, Buffalo,
Sherwin, Marshfield, South Fork, West Plains, Rolla, Monett,
Siloam Springs, Columbus, Christian Center, Ozark Beach,
Waynesville, Laquey, Johnson City, Kirbyville, Lowell, Pawnee
Station, Roby, Rogersville, Powersite, Selmore, March,
Decaturville, Cole Camp, Branson, Silver Dollar City, Village of
Four Seasons, Springfield, Edgewater Beach, Thayer, Cedar
Springs, Plato, Meinert, Hollister, Seymour, Montier, Aurora
Springs, Cassville, Salem, Lamar, Joplin, Mountain Grove,
Wheatland, Mount Vernon, Ava, Dogwood, Pottersville, Lockwood,
Carthage, Kimberling City, Plad, Lone Oak, Hermitage, Weaubleau,
Rocky Mount, Fort Leonard Wood, and Lake Ozark
139 PM CDT Mon Aug 18 2025
...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM CDT TUESDAY...
* WHAT...Heat index values up to 100 to 105.
* WHERE...Portions of southeast Kansas and central, east central,
south central, southwest, and west central Missouri.
* WHEN...Until 8 PM CDT Tuesday.
* 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.
&&
$$
For more information from the National Weather Service, visit
http://weather.gov/sgf
Price
URGENT - WEATHER MESSAGE
National Weather Service Paducah KY
126 PM CDT Mon Aug 18 2025
ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087-100-
107>112-114-191000-
/O.CON.KPAH.HT.Y.0008.000000T0000Z-250820T0000Z/
Jefferson-Wayne IL-Edwards-Wabash-Perry IL-Franklin-Hamilton-
White-Jackson-Williamson-Saline-Gallatin-Union-Johnson-Pope-
Hardin-Alexander-Pulaski-Massac-Gibson-Pike-Posey-Vanderburgh-
Warrick-Spencer-Fulton-Hickman-Carlisle-Ballard-McCracken-Graves-
Livingston-Marshall-Calloway-Crittenden-Lyon-Trigg-Caldwell-Union
KY-Webster-Hopkins-Christian-Henderson-Daviess-McLean-Muhlenberg-
Todd-Perry MO-Bollinger-Cape Girardeau-Wayne MO-Carter-Ripley-
Butler-Stoddard-Scott-Mississippi-New Madrid-
Including the cities of Dixon, Evansville, Clinton, Charleston,
Murray, Calhoun, Albion, Mayfield, Mount Carmel, Wickliffe,
Shawneetown, Princeton, Fairfield, Mound City, Bloomfield,
Bardwell, Paducah, Sikeston, Poseyville, Morganfield, Carbondale,
Rockport, Madisonville, Cairo, Benton, Fort Branch,
Elizabethtown, Harrisburg, Cape Girardeau, Pinckneyville, Cadiz,
Doniphan, Murphysboro, Jonesboro, Greenville, Marble Hill,
Owensboro, Hopkinsville, Eddyville, Carmi, Metropolis,
McLeansboro, Marion, Hickman, Elkton, Smithland, Van Buren,
Perryville, Jackson, Piedmont, Petersburg, Vienna, Boonville, New
Madrid, Golconda, Mount Vernon, Henderson, Poplar Bluff, West
Frankfort, and Herrin
126 PM CDT Mon Aug 18 2025 /226 PM EDT Mon Aug 18 2025/
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT /8 PM EDT/
TUESDAY...
* WHAT...Heat index values up to 108.
* WHERE...All of southern Illinois, southwest Indiana, western
Kentucky, and southeast Missouri.
* WHEN...Until 7 PM CDT /8 PM EDT/ Tuesday.
* IMPACTS...Hot temperatures in the mid to upper 90s 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.
&&
$$
JGG
URGENT - WEATHER MESSAGE
National Weather Service Quad Cities IA IL
1044 AM CDT Mon Aug 18 2025
IAZ067-068-076>078-087>089-098-099-ILZ009-015>018-024>026-034-035-
MOZ009-010-182345-
/O.CON.KDVN.HT.Y.0011.250818T1700Z-250819T0000Z/
Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-Henry IA-Des
Moines-Van Buren-Lee-Whiteside-Rock Island-Henry IL-Bureau-Putnam-
Mercer-Henderson-Warren-Hancock-McDonough-Scotland-Clark-
Including the cities of Oquawka, Davenport, Wapello, Sigourney,
Macomb, Geneseo, Princeton, Memphis, Aledo, Hennepin, Fairfield,
Bettendorf, Rock Island, Kahoka, Monmouth, Burlington, Keosauqua,
Mount Pleasant, Washington, Sterling, Moline, Fort Madison,
Muscatine, and Carthage
1044 AM CDT Mon Aug 18 2025
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...
* WHAT...Heat index values up to 105 expected.
* WHERE...Portions of north central, northwest, and west central
Illinois, east central and southeast Iowa, and northeast Missouri.
* WHEN...Until 7 PM CDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
* ADDITIONAL DETAILS...Any storms and clouds that linger or
redevelop this afternoon may result in lower temperatures and
humidity levels, lowering the heat risk.
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.
&&
$$
12
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Lincoln IL
205 PM CDT Mon Aug 18 2025
ILZ027>031-036>038-040>057-061>063-066>068-191915-
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-Schuyler-
Mason-Logan-De Witt-Piatt-Champaign-Vermilion-Cass-Menard-Scott-
Morgan-Sangamon-Christian-Macon-Moultrie-Douglas-Coles-Edgar-Shelby-
Cumberland-Clark-Effingham-Jasper-Crawford-
205 PM CDT Mon Aug 18 2025
This Hazardous Weather Outlook is for central Illinois, east
central Illinois, southeast Illinois and west central Illinois.
.DAY ONE...Tonight.
Heat indices will slowly fall from the triple digits early this
evening into the mid 70s overnight.
Scattered thunderstorms are possible this evening into tonight (30
to 40% chance). Any storm that develops will be capable of frequent
lightning, heavy rain, and locally strong winds.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
There is a 30-50% chance of thunderstorms Tuesday, with the highest
chances during the morning. Severe weather is not expected, but
locally heavy rain and frequent lightning are possible.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated tonight.
$$
Hazardous Weather Outlook
National Weather Service Lincoln IL
205 PM CDT Mon Aug 18 2025
ILZ071>073-191915-
Clay-Richland-Lawrence-
205 PM CDT Mon Aug 18 2025
This Hazardous Weather Outlook is for southeast Illinois.
.DAY ONE...Tonight.
Heat indices will slowly fall from the triple digits early this
evening into the mid 70s overnight.
Scattered thunderstorms are possible this evening into tonight (20
to 30% chance). Any storm that develops will be capable of frequent
lightning, heavy rain, and locally strong winds.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
The combination of heat and humidity is forecast to result in heat
indices of 100 to 105 Tuesday afternoon.
There is a 30-40% chance of thunderstorms Tuesday. Severe weather is
not expected, but locally heavy rain and frequent lightning are
possible.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated tonight.
$$
Bumgardner
Hazardous Weather Outlook
National Weather Service Springfield MO
203 PM CDT Mon Aug 18 2025
KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-191915-
Bourbon-Crawford-Cherokee-Benton-Morgan-Miller-Maries-Vernon-
St. Clair-Hickory-Camden-Pulaski-Phelps-Barton-Cedar-Polk-Dallas-
Laclede-Texas-Dent-Jasper-Dade-Greene-Webster-Wright-Newton-
Lawrence-Christian-Douglas-Howell-Shannon-McDonald-Barry-Stone-
Taney-Ozark-Oregon-
203 PM CDT Mon Aug 18 2025
This Hazardous Weather Outlook is for portions of the Missouri
Ozarks and extreme southeast Kansas.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Marginal thunderstorm wind damage risk.
Limited lightning risk.
Elevated excessive heat risk.
Limited excessive rainfall risk
DISCUSSION...
Heat Advisory is in effect for the entire area through 8pm Tuesday.
Afternoon heat index values of 100 to 105 degrees.
Scattered showers and storms this afternoon and evening, mainly
along and east of Highway 65. Any given storm will be capable ind
gusts up to 50 to 60 mph and locally heavy rainfall.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Afternoon heat index values in the upper 90s to around 100 will
occur Tuesday.
There is a 30 to 50 percent chance for showers and thunderstorms
Tuesday into Wednesday as a cold front moves through.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed through tonight.
&&
More detailed information can be accessed at:
http://www.weather.gov/sgf/dsspacket
This product in graphical format...along with other weather...
hydrological and climate information...at
http://www.weather.gov/sgf
$$
Price
Hazardous Weather Outlook
National Weather Service Paducah KY
130 PM CDT Mon Aug 18 2025
ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087-
100-107>112-114-191830-
Jefferson-Wayne IL-Edwards-Wabash-Perry IL-Franklin-Hamilton-
White-Jackson-Williamson-Saline-Gallatin-Union-Johnson-Pope-
Hardin-Alexander-Pulaski-Massac-Gibson-Pike-Posey-Vanderburgh-
Warrick-Spencer-Fulton-Hickman-Carlisle-Ballard-McCracken-Graves-
Livingston-Marshall-Calloway-Crittenden-Lyon-Trigg-Caldwell-
Union KY-Webster-Hopkins-Christian-Henderson-Daviess-McLean-
Muhlenberg-Todd-Perry MO-Bollinger-Cape Girardeau-Wayne MO-Carter-
Ripley-Butler-Stoddard-Scott-Mississippi-New Madrid-
130 PM CDT Mon Aug 18 2025 /230 PM EDT Mon Aug 18 2025/
This Hazardous Weather Outlook is for portions of southern
Illinois, southwest Indiana, western Kentucky, and southeast
Missouri.
.DAY ONE...This Afternoon and Tonight
Heat index values will remain from 100 to 108 degrees through this
afternoon. A renegade shower or thunderstorm is possible across
far western parts of southeast Missouri this afternoon.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday
One more day of heat index values as high as 108 is forecast
tomorrow across the entire region. Scattered thunderstorms are
forecast in the afternoon. Gusty winds, locally heavy rain, and
cloud to ground lightning can be expected with any storms. A few
storms may become severe with locally damaging wind gusts.
.SPOTTER INFORMATION STATEMENT...
Formal spotter activation is not anticipated but spotters are
encouraged to report significant weather according to standard
operating procedure.
$$
JGG
Hazardous Weather Outlook
National Weather Service Kansas City/Pleasant Hill MO
0505 AM CDT Mon Aug 18 2025
KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-191005-
Atchison KS-Miami-Linn KS-Doniphan-Leavenworth-Wyandotte-Johnson KS-
Atchison MO-Nodaway-Worth-Gentry-Harrison-Mercer-Putnam-Schuyler-
Holt-Andrew-De Kalb-Daviess-Grundy-Sullivan-Adair-Buchanan-Clinton-
Caldwell-Livingston-Linn MO-Macon-Platte-Clay-Ray-Carroll-Chariton-
Randolph-Jackson-Lafayette-Saline-Howard-Cass-Johnson MO-Pettis-
Cooper-Bates-Henry-
0505 AM CDT Mon Aug 18 2025
This hazardous weather outlook is for northwest...north central and
west central Missouri...as well as extreme eastern Kansas.
.DAY ONE...Through tonight.
Please go to https://weather.gov/media/eax/DssPacket.pdf for more information on
potential weather hazards.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
The probability for widespread hazardous weather is low.
.KEY MESSAGES...
- Several uncertainties continue in this forecast regarding
both heat and storms.
- Scattered showers and storms are expected today. Coverage is
expected to range from isolated to small complexes. Storms are
possible most of the day; however, chances are higher during
the afternoon continuing through Tuesday. Heavy rainfall and
gusty winds are possible.
- Hot and humid conditions some areas may see heat index values
near 100-105F (mainly south of US-50). Other areas will see
heat index values near 100F. Cloud cover and scattered storms
may affect heat forecasts.
$$
Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
417 AM CDT Mon Aug 18 2025
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-190930-
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
417 AM CDT Mon Aug 18 2025
This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.
.DAY ONE...TODAY AND TONIGHT
Hot and humid conditions are expected once again today. A Heat
Advisory is in effect for this afternoon and early evening for
locations generally along and south of Interstate 80.
Chances of thunderstorms will increase once again this afternoon
and evening, some of which could become strong to severe. The
Storm Prediction Center has a Marginal Risk (level 1 of 5) of
severe storms for the entire outlook area. Damaging winds are the
main threats, with the potential for torrential downpours that
could lead to localized flash flooding.
.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY
An isolated thunderstorm is possible Tuesday morning along and
south of Interstate 80.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is possible this afternoon and evening.
Reports of severe weather would be appreciated along with any
reports of rainfall over one inch.
$$
JTS
Hazardous Weather Outlook
National Weather Service St Louis MO
213 AM CDT Mon Aug 18 2025
ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-084-085-099-190715-
Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL-
Marion IL-Washington IL-Randolph IL-Adams IL-Brown IL-Pike IL-
Calhoun IL-Jersey IL-Madison IL-Saint Clair IL-Monroe IL-Knox MO-
Lewis MO-Shelby MO-Marion MO-Monroe MO-Ralls MO-Pike MO-Boone MO-
Audrain MO-Moniteau MO-Cole MO-Osage MO-Callaway MO-Montgomery MO-
Lincoln MO-Gasconade MO-Warren MO-Saint Charles MO-Franklin MO-
Saint Louis MO-Saint Louis City MO-Jefferson MO-Crawford MO-
Washington MO-Saint Francois MO-Sainte Genevieve MO-Iron MO-
Madison MO-Reynolds MO-
213 AM CDT Mon Aug 18 2025
This Hazardous Weather Outlook is for portions of eastern and
central Missouri as well as west central and southwest Illinois.
.DAY ONE...Today and tonight.
A Heat Advisory remains in effect through this evening. Isolated
thunderstorms are expected this afternoon.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Heat and humidity continue for parts of the area on Tuesday.
Thunderstorms are possible Tuesday and Wednesday.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Kimble