weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Heat Advisory


URGENT - WEATHER MESSAGE
National Weather Service Kansas City/Pleasant Hill MO
436 AM CDT Mon Jun 23 2025

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-240000-
/O.CON.KEAX.HT.Y.0001.000000T0000Z-250624T0000Z/
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-
Including the cities of Wathena, Rock Port, Macon, Downing,
Albany, Keytesville, Mercer, Trenton, King City, Belton, Tarkio,
Unionville, Kansas City, Pleasanton, Platte City, Fairfax, Craig,
Atchison, Maryville, Weston, Kearney, Lenexa, Braymer, Gallatin,
Maitland, Liberty, Independence, Cameron, Lawson, Clarksdale,
Glasgow, Kirksville, Excelsior Springs, Carrollton, Forest City,
Breckenridge, Mound City, Riverside, Parkville, St. Joseph,
Marceline, Richmond, Salisbury, Fayette, Jamesport, St. Joseph
Airport, Union Star, Milan, Fort Leavenworth, Butler,
Stewartsville, Sedalia, Raymore, Paola, Lansing, Windsor,
Greentop, Lathrop, Clinton, Savannah, Moberly, Bethany, Green
City, Pleasant Hill, Olathe, Odessa, Chillicothe, Louisburg,
Osawatomie, Stanberry, Osborn, Weatherby Lake, Hamilton,
Lancaster, Highland, Oregon, Kansas City Kansas, Country Club
Villa, Higginsville, Plattsburg, Warrensburg, Brunswick, Elwood,
Queen City, Maysville, Rich Hill, Grant City, Concordia,
Leavenworth, Overland Park, Lexington, Troy, La Plata, Marshall,
Adrian, Princeton, Harrisonville, Shawnee, Brookfield, Stanley,
Glenwood, New Franklin, Gladstone, Polo, La Cygne, and Boonville
436 AM CDT Mon Jun 23 2025

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

* WHAT...Heat index values exceeding 100 degrees F.

* WHERE...Portions of east central and northeast Kansas and central,
  north central, northeast, northwest, 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.

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.

&&

$$

https://www.weather.gov/eax

Collier

URGENT - WEATHER MESSAGE
National Weather Service Des Moines IA
501 PM CDT Mon Jun 23 2025

IAZ050-062-075-085-086-095>097-240100-
/O.CON.KDMX.HT.Y.0002.000000T0000Z-250624T0100Z/
Tama-Poweshiek-Mahaska-Monroe-Wapello-Wayne-Appanoose-Davis-
Including the cities of Ottumwa, Centerville, Tama, Albia,
Toledo, Oskaloosa, Grinnell, Seymour, Corydon, Humeston, Dysart,
Bloomfield, Gladbrook, Allerton, and Traer
501 PM CDT Mon Jun 23 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...

* WHAT...Heat index values up to 101.

* WHERE...Poweshiek, Tama, Appanoose, Mahaska, Monroe, Wayne, Davis,
  and Wapello 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.

&&

$$

Hahn

URGENT - WEATHER MESSAGE
National Weather Service St Louis MO
105 PM CDT Mon Jun 23 2025

MOZ018-019-026-027-034-035-041-042-047-240200-
/O.EXT.KLSX.HT.Y.0001.000000T0000Z-250624T0200Z/
Knox MO-Lewis MO-Shelby MO-Marion MO-Monroe MO-Ralls MO-Boone MO-
Audrain MO-Moniteau MO-
Including the cities of Hannibal, Mexico, and Columbia
105 PM CDT Mon Jun 23 2025

...HEAT ADVISORY WILL NOW EXPIRE AT 9 PM CDT THIS EVENING...

* WHAT...Heat index values up to 100.

* WHERE...Audrain MO, Boone MO, Moniteau MO, Knox MO, Lewis MO,
  Marion MO, Monroe MO, Ralls MO, and Shelby MO Counties.

* WHEN...Until 9 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.

&&

$$

19

URGENT - WEATHER MESSAGE
National Weather Service St Louis MO
105 PM CDT Mon Jun 23 2025

ILZ058>060-064-065-069-070-074-079-095>098-MOZ036-048>052-059-060-
062-072>075-084-085-099-240915-
/O.EXT.KLSX.HT.Y.0001.000000T0000Z-250627T0200Z/
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-Pike MO-Cole MO-Osage MO-Callaway MO-Montgomery MO-
Lincoln MO-Gasconade MO-Warren MO-Franklin MO-Crawford MO-
Washington MO-Saint Francois MO-Sainte Genevieve MO-Iron MO-
Madison MO-Reynolds MO-
Including the cities of Quincy, Litchfield, Union, Vandalia,
Centralia, Chester, Pittsfield, Bowling Green, Fulton, Sullivan,
Farmington, Salem, Mount Sterling, Washington, Sparta, and
Jefferson City
105 PM CDT Mon Jun 23 2025

...HEAT ADVISORY NOW IN EFFECT UNTIL 9 PM CDT THURSDAY...

* WHAT...Heat index values up to 102.

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

* WHEN...Until 9 PM CDT Thursday.

* 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.

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 Quad Cities IA IL
354 AM CDT Mon Jun 23 2025

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-231700-
/O.CON.KDVN.HT.Y.0001.000000T0000Z-250624T0100Z/
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-
Including the cities of Fairfield, Tipton, Hennepin, Wapello,
Kahoka, Anamosa, Memphis, Mount Carroll, Bettendorf, Galena,
Aledo, Mount Pleasant, Carthage, Oquawka, Vinton, Muscatine,
Maquoketa, Burlington, Freeport, Geneseo, Sterling, Monmouth,
Dubuque, Independence, Davenport, Keosauqua, Moline, Manchester,
Fort Madison, Sigourney, Marengo, Cedar Rapids, Iowa City,
Clinton, Washington, Macomb, Princeton, and Rock Island
354 AM CDT Mon Jun 23 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...

* WHAT...Peak afternoon heat indices between 100 to 105 degrees
  expected.

* WHERE...Portions of north central, northwest, and west central
  Illinois, east central, northeast, and southeast Iowa, 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.

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.

&&

$$

McClure

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