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Heat Advisory


URGENT - WEATHER MESSAGE
National Weather Service St Louis MO
219 AM CDT Thu Sep 17 2026

ILZ064-069-070-074-079-100>102-MOZ047>049-059>065-072>075-084-085-
099-172230-
/O.CON.KLSX.HT.Y.0012.000000T0000Z-260920T0100Z/
Bond 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 Alton, Chester, Salem, Edwardsville,
Washington, Jefferson City, Union, Cahokia, Belleville, Saint
Charles, Saint Louis, Centralia, Farmington, Sullivan, and Sparta
219 AM 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 south central and southwest Illinois and
  central, east central, and southeast Missouri.

* 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. 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.

&&

$$

Peine

URGENT - WEATHER MESSAGE
National Weather Service St Louis MO
219 AM CDT Thu Sep 17 2026

ILZ058>060-065-098-099-MOZ041-050>052-172230-
/O.CON.KLSX.HT.Y.0012.000000T0000Z-260919T0100Z/
Greene IL-Macoupin IL-Montgomery IL-Fayette IL-Calhoun IL-Jersey
IL-Boone MO-Callaway MO-Montgomery MO-Lincoln MO-
Including the cities of Litchfield, Vandalia, Fulton, and Columbia
219 AM CDT Thu Sep 17 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT FRIDAY...

* WHAT...Heat index values up to 105.

* WHERE...In Illinois, Fayette IL, Montgomery IL, Calhoun IL, Greene
  IL, Jersey IL, and Macoupin IL Counties. In Missouri, Boone MO,
  Callaway MO, Lincoln MO, and Montgomery MO Counties.

* WHEN...Until 8 PM CDT Friday.

* 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.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Paducah KY
356 AM CDT Thu Sep 17 2026

ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087-100-
107>112-114-172100-
/O.CON.KPAH.HT.Y.0013.000000T0000Z-260921T0000Z/
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 Smithland, Mount Carmel, Perryville,
Greenville, Vienna, Van Buren, McLeansboro, Elkton, Carbondale,
Albion, Golconda, Cairo, Hopkinsville, Murphysboro, Pinckneyville,
Rockport, Petersburg, Paducah, Mound City, Poplar Bluff, Bloomfield,
Metropolis, Eddyville, Jonesboro, Clinton, Henderson, Fort Branch,
Evansville, Jackson, Sikeston, Wickliffe, Murray, Fairfield,
Poseyville, Harrisburg, Marble Hill, Hickman, Piedmont, Marion,
Boonville, Madisonville, Charleston, Owensboro, Elizabethtown, West
Frankfort, New Madrid, Calhoun, Herrin, Princeton, Dixon,
Shawneetown, Morganfield, Doniphan, Benton, Carmi, Bardwell,
Mayfield, Cadiz, Mount Vernon, and Cape Girardeau
356 AM CDT Thu Sep 17 2026 /456 AM EDT Thu Sep 17 2026/

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT /8 PM EDT/
SUNDAY...

* WHAT...Heat index values up to 109 degrees can be expected.

* WHERE...all of southern Illinois, southwest Indiana, western
  Kentucky, and southeast Missouri.

* WHEN...Until 7 PM CDT /8 PM EDT/ Sunday.

* 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.

&&

$$

RST

URGENT - WEATHER MESSAGE
National Weather Service Lincoln IL
1216 AM CDT Thu Sep 17 2026

ILZ066>068-071>073-171515-
/O.CON.KILX.HT.Y.0012.000000T0000Z-260918T0000Z/
Effingham-Jasper-Crawford-Clay-Richland-Lawrence-
Including the cities of Lawrenceville, Newton, Effingham, Robinson,
Flora, and Olney
1216 AM CDT Thu Sep 17 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* WHAT...Heat index values up to 105.

* WHERE...Clay, Crawford, Effingham, Jasper, Lawrence, and Richland
  Counties.

* 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.

&&

$$

25

URGENT - WEATHER MESSAGE
National Weather Service Lincoln IL
1216 AM CDT Thu Sep 17 2026

ILZ049>052-061-062-171515-
/O.EXA.KILX.HT.Y.0012.000000T0000Z-260918T0000Z/
Scott-Morgan-Sangamon-Christian-Shelby-Cumberland-
Including the cities of Greenup, Taylorville, Jacksonville,
Springfield, Winchester, and Shelbyville
1216 AM CDT Thu Sep 17 2026

...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* WHAT...Heat index values up to 105.

* WHERE...Christian, Sangamon, Shelby, Cumberland, Morgan, and Scott
  Counties.

* 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.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Springfield MO
1105 AM CDT Wed Sep 16 2026

KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-181200-
/O.EXT.KSGF.HT.Y.0013.000000T0000Z-260920T0100Z/
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 Duncan, Ozark Beach, Elsey, Lebanon,
Cassville, Salem, Versailles, Couch, Thomasville, Marionville,
Johnson City, Madry, Winona, South Fork, White Church, Plato,
Seymour, Stippville, Roach, El Dorado Springs, Olive, Graff,
Edmonson, Camdenton, Birch Tree, Mount Vernon, Cole Camp, Pittsburg,
Lowell, Siloam Springs, Carthage, Aurora Springs, Marshfield, Pomona,
Riverton, Osage Beach, Warsaw, Gladden, Jadwin, Pottersville,
Chicopee, Meinert, Christian Center, Windyville, Arnica, Fort Scott,
Baxter Springs, Mansfield, Greenfield, Rocky Comfort, Rome, Fort
Leonard Wood, Waynesville, Village of Four Seasons, Alton, Roby,
Lincoln, Lake Spring, Kirbyville, Springfield, Tiffin, Thayer, South
West City, Columbus, Hollister, Dogwood, Wasola, Eldon, Foose, Lamar,
Kimberling City, Joplin, Cross Timbers, Aurora, Ava, Whitakerville,
Wheatland, Nevada, Pawnee Station, Hermitage, Northwye, Decaturville,
Appleton City, Crockerville, Goodhope, Wilderness, Neosho, Branson,
March, Mora, Cedar Springs, Greer, Bangert, Vichy, Bendavis, West
Plains, Silver Dollar City, Stockton, Lynchburg, Nixa, Vanzant,
Northview, Indian Point, Neutral, Bolivar, Darien, Sherwin, Lake
Ozark, Selmore, Monett, Laurie, Forsyth, Caplinger Mills, Squires,
Charity, Filley, Kenoma, Quincy, Howes, Buffalo, Noel, Powersite,
Weaubleau, Rogersville, Dawson, Mountain Grove, Goodman, Montier,
Plad, Lockwood, Rocky Mount, Pineville, Rolla, Ozark, Anderson,
Crane, Edgewater Beach, Huggins, Lone Oak, Teresita, Laquey, and
Stover
1105 AM CDT Wed Sep 16 2026

...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM CDT SATURDAY...

* WHAT...Daily Heat Index values of around 100 to 105. Warm overnight
  lows in the 70s.

* WHERE...Portions of southeast Kansas and central, east central,
  south central, southwest, and west central Missouri.

* 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.

&&

$$

For more information from the National Weather Service, visit
http://weather.gov/sgf

Wise

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE