Extreme Heat Warning
URGENT - WEATHER MESSAGE
National Weather Service St Louis MO
114 PM CDT Wed Aug 12 2026
ILZ069-074-079-100>102-MOZ041-047>051-059>065-130915-
/O.EXT.KLSX.XH.W.0003.000000T0000Z-260816T0200Z/
Clinton IL-Washington IL-Randolph IL-Madison IL-Saint Clair IL-
Monroe IL-Boone MO-Moniteau MO-Cole MO-Osage MO-Callaway MO-
Montgomery MO-Gasconade MO-Warren MO-Saint Charles MO-Franklin MO-
Saint Louis MO-Saint Louis City MO-Jefferson MO-
Including the cities of Saint Louis, Belleville, Chester, Alton,
Cahokia, Union, Sparta, Washington, Saint Charles, Sullivan,
Jefferson City, Fulton, Columbia, and Edwardsville
114 PM CDT Wed Aug 12 2026
...EXTREME HEAT WARNING NOW IN EFFECT UNTIL 9 PM CDT SATURDAY...
* WHAT...Dangerously hot conditions with heat index values up to 111.
* WHERE...Portions of south central and southwest Illinois and
central and east central Missouri.
* WHEN...Until 9 PM CDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service St Louis MO
114 PM CDT Wed Aug 12 2026
MOZ072>075-084-085-099-130915-
/O.UPG.KLSX.HT.Y.0007.000000T0000Z-260814T0100Z/
/O.EXB.KLSX.XH.W.0003.000000T0000Z-260816T0200Z/
Crawford MO-Washington MO-Saint Francois MO-Sainte Genevieve MO-
Iron MO-Madison MO-Reynolds MO-
Including the cities of Farmington
114 PM CDT Wed Aug 12 2026
...EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM CDT SATURDAY...
* WHAT...Dangerously hot conditions with heat index values up to 107.
* WHERE...Crawford MO, Washington MO, Iron MO, Madison MO, Reynolds
MO, Saint Francois MO, and Sainte Genevieve MO Counties.
* WHEN...Until 9 PM CDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors. Young children and
pets should never be left unattended in vehicles under any
circumstances. Take extra precautions if you work or spend time
outside. When possible reschedule strenuous activities to early
morning or evening. Know the signs and symptoms of heat exhaustion
and heat stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational Safety
and Health Administration recommends scheduling frequent rest breaks
in shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
People in the Saint Louis Metropolitan Area can get information about
cooling centers or energy assistance related to the excessive heat by
calling the United Way of Greater Saint Louis at 800-427-4626, or if
calling from a land line phone dial 2-1-1. You can also call Cool
Down Saint Louis at 314-241-7668.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Kansas City/Pleasant Hill MO
131 PM CDT Wed Aug 12 2026
KSZ057-060-MOZ039-040-043>046-053-054-131015-
/O.EXT.KEAX.XH.W.0011.000000T0000Z-260816T0200Z/
Miami-Linn KS-Saline-Howard-Cass-Johnson MO-Pettis-Cooper-Bates-
Henry-
Including the cities of Belton, Butler, La Cygne, New Franklin,
Raymore, Marshall, Osawatomie, Glasgow, Warrensburg, Louisburg,
Harrisonville, Clinton, Paola, Fayette, Boonville, Sedalia, Rich
Hill, Windsor, Pleasanton, Pleasant Hill, Adrian, and Mound City
131 PM CDT Wed Aug 12 2026
...EXTREME HEAT WARNING NOW IN EFFECT UNTIL 9 PM CDT SATURDAY...
* WHAT...Dangerously hot conditions with heat index values between
105 and 110.
* WHERE...In Kansas, Linn KS and Miami Counties. In Missouri, Cooper,
Howard, Pettis, Saline, Bates, Cass, Henry, and Johnson MO
Counties.
* WHEN...Until 9 PM CDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Kansas City/Pleasant Hill MO
131 PM CDT Wed Aug 12 2026
KSZ025-103>105-MOZ028>033-037-038-131015-
/O.CON.KEAX.XH.W.0011.000000T0000Z-260815T0100Z/
Atchison KS-Leavenworth-Wyandotte-Johnson KS-Platte-Clay-Ray-
Carroll-Chariton-Randolph-Jackson-Lafayette-
Including the cities of Kearney, Stanley, Salisbury, Lenexa, Lawson,
Independence, Lansing, Leavenworth, Parkville, Shawnee, Fort
Leavenworth, Odessa, Weatherby Lake, Platte City, Riverside, Olathe,
Brunswick, Carrollton, Liberty, Overland Park, Gladstone, Richmond,
Weston, Lexington, Higginsville, Excelsior Springs, Kansas City,
Moberly, Kansas City Kansas, Keytesville, Atchison, and Concordia
131 PM CDT Wed Aug 12 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT FRIDAY...
* WHAT...Dangerously hot conditions with heat index values between
105 and 110.
* WHERE...Portions of east central and northeast Kansas and north
central and west central Missouri.
* WHEN...Until 8 PM CDT Friday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Paducah KY
111 PM CDT Wed Aug 12 2026
ILZ075>078-081>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087-100-
107>112-114-130915-
/O.EXB.KPAH.XH.W.0005.260813T1600Z-260817T0100Z/
/O.EXT.KPAH.HT.Y.0008.000000T0000Z-260813T1600Z/
Jefferson-Wayne IL-Edwards-Wabash-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 Murray, Mound City, Perryville, Petersburg,
Greenville, Eddyville, Albion, Hickman, Paducah, Cape Girardeau,
Smithland, Evansville, Harrisburg, Poseyville, Henderson,
McLeansboro, Madisonville, Piedmont, Mount Vernon, Fairfield, Van
Buren, Bardwell, West Frankfort, Calhoun, Jackson, Rockport, Cadiz,
Metropolis, Benton, Dixon, Poplar Bluff, Elkton, Princeton,
Carbondale, Jonesboro, Boonville, Fort Branch, Cairo, Golconda,
Carmi, Wickliffe, Owensboro, Marble Hill, Murphysboro, Sikeston,
Charleston, Mount Carmel, Herrin, Clinton, Mayfield, Bloomfield,
Vienna, Shawneetown, Morganfield, Doniphan, Marion, Hopkinsville, New
Madrid, and Elizabethtown
111 PM CDT Wed Aug 12 2026 /211 PM EDT Wed Aug 12 2026/
...EXTREME HEAT WARNING IN EFFECT FROM 11 AM CDT /NOON EDT/ THURSDAY
TO 8 PM CDT /9 PM EDT/ SUNDAY...
...HEAT ADVISORY NOW IN EFFECT UNTIL 11 AM CDT /NOON EDT/ THURSDAY...
* WHAT...For the Heat Advisory, heat index values up to 107. For the
Extreme Heat Warning, dangerously hot conditions with heat index
values up to 110 expected.
* WHERE...Portions of southern Illinois, southwest Indiana, western
Kentucky, and southeast Missouri.
* WHEN...For the Heat Advisory, until 11 AM CDT /noon EDT/ Thursday.
For the Extreme Heat Warning, from 11 AM CDT /noon EDT/ Thursday to
8 PM CDT /9 PM EDT/ Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Paducah KY
111 PM CDT Wed Aug 12 2026
ILZ080-130915-
/O.EXT.KPAH.XH.W.0005.000000T0000Z-260817T0100Z/
Perry IL-
Including the cities of Pinckneyville
111 PM CDT Wed Aug 12 2026
...EXTREME HEAT WARNING NOW IN EFFECT UNTIL 8 PM CDT SUNDAY...
* WHAT...Dangerously hot conditions with heat index values up to 112.
* WHERE...Perry County Illinois.
* WHEN...Until 8 PM CDT Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
DRS
URGENT - WEATHER MESSAGE
National Weather Service Springfield MO
103 PM CDT Wed Aug 12 2026
KSZ073-097-101-MOZ055>058-066>069-077>080-088-089-093-094-101-131815-
/O.CON.KSGF.XH.W.0003.000000T0000Z-260817T0100Z/
Bourbon-Crawford-Cherokee-Benton-Morgan-Miller-Maries-Vernon-St.
Clair-Hickory-Camden-Barton-Cedar-Polk-Dallas-Jasper-Dade-Newton-
Lawrence-McDonald-
Including the cities of Laurie, Chicopee, Neosho, Osage Beach,
Pineville, Appleton City, Arnica, Windyville, Kenoma, Aurora,
Aurora Springs, Whitakerville, Johnson City, Lockwood, Charity,
Tiffin, Cole Camp, Stover, Eldon, Hermitage, Roach, Lone Oak,
Wheatland, Joplin, Cross Timbers, Mora, Weaubleau, Anderson,
Versailles, El Dorado Springs, Crockerville, Vichy, Quincy,
Lamar, Fort Scott, Village of Four Seasons, Carthage, Baxter
Springs, Lake Ozark, Rocky Mount, Stockton, Buffalo, Noel,
Pittsburg, Cedar Springs, Olive, Bolivar, Camdenton, Plad,
Warsaw, Lowell, March, Stippville, Riverton, Neutral, Filley,
Greenfield, Meinert, Lincoln, Foose, Mount Vernon, Edmonson,
Goodman, Rocky Comfort, South West City, Marionville, Pawnee
Station, Caplinger Mills, Columbus, Sherwin, Decaturville, and
Nevada
103 PM CDT Wed Aug 12 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT SUNDAY...
* WHAT...Dangerously hot conditions with daily maximum heat index
values around 105 to 110 expected. Overnight low temperatures will
remain in the upper 70s to lower 80s.
* WHERE...Portions of southeast Kansas and central, southwest, and
west central Missouri.
* WHEN...Until 8 PM CDT Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
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.
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 from the National Weather Service, visit
http://weather.gov/sgf
KP
URGENT - WEATHER MESSAGE
National Weather Service Springfield MO
103 PM CDT Wed Aug 12 2026
MOZ070-071-081>083-090>092-095>098-102>106-131815-
/O.NEW.KSGF.HT.Y.0008.260812T1803Z-260813T1600Z/
/O.CON.KSGF.XH.W.0003.260813T1600Z-260817T0100Z/
Pulaski-Phelps-Laclede-Texas-Dent-Greene-Webster-Wright-Christian-
Douglas-Howell-Shannon-Barry-Stone-Taney-Ozark-Oregon-
Including the cities of Laquey, Roby, Graff, Huggins, Cassville,
Northwye, Marshfield, South Fork, Wilderness, Wasola, Fort
Leonard Wood, Siloam Springs, Couch, Mansfield, Alton, Ava,
Bendavis, Montier, Ozark Beach, Hollister, Pottersville, Jadwin,
Springfield, Mountain Grove, Christian Center, Birch Tree, Ozark,
Greer, Plato, Indian Point, Vanzant, Rolla, Goodhope, Duncan,
Crane, Lebanon, Rome, Lake Spring, Teresita, Powersite, Forsyth,
White Church, Selmore, Northview, Silver Dollar City, Kirbyville,
Squires, Branson, Monett, Madry, Waynesville, West Plains,
Rogersville, Edgewater Beach, Howes, Seymour, Nixa, Thayer,
Gladden, Kimberling City, Elsey, Dogwood, Bangert, Thomasville,
Salem, Lynchburg, Darien, Dawson, Pomona, and Winona
103 PM CDT Wed Aug 12 2026
...HEAT ADVISORY IN EFFECT UNTIL 11 AM CDT THURSDAY...
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM THURSDAY TO 8
PM CDT SUNDAY...
* WHAT...Dangerously hot conditions with daily maximum heat index
values up to 105 expected. Overnight low temperatures will remain
in the middle to upper 70s.
* WHERE...Portions of central, east central, south central, and
southwest Missouri.
* WHEN...For the Heat Advisory, until 11 AM CDT Thursday. For the
Extreme Heat Warning, from 11 AM Thursday to 8 PM CDT Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events. 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.
&&
$$
