weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Heat Advisory


URGENT - WEATHER MESSAGE
National Weather Service Des Moines IA
940 PM CDT Fri Jun 20 2025

IAZ006-016-025-036-037-047>049-059>061-072>074-082>084-093-094-
211245-
/O.CON.KDMX.HT.Y.0001.000000T0000Z-250623T0200Z/
Winnebago-Hancock-Wright-Hamilton-Hardin-Boone-Story-Marshall-
Dallas-Polk-Jasper-Madison-Warren-Marion-Union-Clarke-Lucas-
Ringgold-Decatur-
Including the cities of Belmond, Carlisle, Clarion, Pella,
Knoxville, Earlham, Kanawha, Ames, Eagle Grove, Forest City,
Webster City, Waukee, Perry, Osceola, Mount Ayr, Norwalk, Lake
Mills, Indianola, Des Moines, Britt, Marshalltown, Ackley,
Winterset, Iowa Falls, Adel, Newton, Creston, Eldora, Lamoni,
Garner, Leon, Chariton, and Boone
940 PM CDT Fri Jun 20 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT SUNDAY...

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

* WHERE...Portions of central, northern, and southern Iowa.

* WHEN...Until 9 PM CDT 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.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Des Moines IA
940 PM CDT Fri Jun 20 2025

IAZ007-017-026>028-038-039-050-062-075-085-086-095>097-211245-
/O.CON.KDMX.HT.Y.0002.250621T1700Z-250623T0200Z/
Worth-Cerro Gordo-Franklin-Butler-Bremer-Grundy-Black Hawk-Tama-
Poweshiek-Mahaska-Monroe-Wapello-Wayne-Appanoose-Davis-
Including the cities of Allison, Oskaloosa, Seymour, Cedar Falls,
Humeston, Mason City, Allerton, Dumont, Manly, Tama, Gladbrook,
Albia, Bloomfield, Wellsburg, Northwood, Waverly, Clarksville,
Toledo, Grinnell, Centerville, Greene, Reinbeck, Conrad, Hampton,
Shell Rock, Dysart, Parkersburg, Aplington, Waterloo, Clear Lake,
Ottumwa, Corydon, Dike, Traer, and Grundy Center
940 PM CDT Fri Jun 20 2025

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON SATURDAY TO 9 PM CDT
SUNDAY...

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

* WHERE...Portions of central into east central Iowa.

* WHEN...From noon Saturday to 9 PM CDT 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.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
219 AM CDT Sat Jun 21 2025

MNZ047-055-057-058-066-067-076-084-093-211930-
/O.CON.KMPX.XH.W.0001.250621T1700Z-250623T0200Z/
/O.CON.KMPX.HT.Y.0001.000000T0000Z-250621T1700Z/
Stevens-Swift-Kandiyohi-Meeker-McLeod-Sibley-Le Sueur-Waseca-
Freeborn-
Including the cities of Le Sueur, Hutchinson, Litchfield, Albert
Lea, Willmar, Gaylord, Waseca, Morris, and Benson
219 AM CDT Sat Jun 21 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL NOON CDT TODAY...
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM
CDT SUNDAY...

* WHAT...For the Heat Advisory, heat index values up to 99 expected.
  For the Extreme Heat Warning, dangerously hot conditions with heat
  index values up 105 to 110 likely. Low temperatures tonight and
  Saturday night will remain in the mid 70s to lower 80s, providing
  little relief from the heat.

* WHERE...Kandiyohi, McLeod, Meeker, Sibley, Freeborn, Le Sueur,
  Waseca, Stevens, and Swift Counties.

* WHEN...For the Heat Advisory, until noon CDT today. For the
  Extreme Heat Warning, from noon today to 9 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.

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.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Quad Cities IA IL
911 PM CDT Fri Jun 20 2025

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-211115-
/O.CON.KDVN.HT.Y.0001.250621T1700Z-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 Moline, Vinton, Iowa City, Marengo,
Sterling, Geneseo, Mount Carroll, Oquawka, Dubuque, Clinton,
Memphis, Tipton, Washington, Wapello, Muscatine, Galena, Aledo,
Manchester, Maquoketa, Rock Island, Macomb, Freeport, Sigourney,
Davenport, Keosauqua, Mount Pleasant, Bettendorf, Burlington,
Anamosa, Fairfield, Cedar Rapids, Kahoka, Independence, Fort
Madison, Hennepin, Monmouth, Carthage, and Princeton
911 PM CDT Fri Jun 20 2025

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON SATURDAY TO 8 PM CDT
MONDAY...

* WHAT...Peak afternoon heat indices around 105 degrees expected.

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

* WHEN...From noon Saturday to 8 PM CDT Monday.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses.

* ADDITIONAL DETAILS...Heat impacts will be worsened by several
  consecutive days of sweltering temperatures. Additionally, there
  will be little relief overnight with near record warm lows
  forecast in the mid to upper 70s.

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.

&&

$$

Uttech

URGENT - WEATHER MESSAGE
National Weather Service La Crosse WI
125 PM CDT Fri Jun 20 2025

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029-032>034-
041>044-053>055-061-211100-
/O.CON.KARX.HT.Y.0001.250621T1700Z-250623T0200Z/
Mitchell-Howard-Winneshiek-Allamakee-Floyd-Chickasaw-Fayette-
Clayton-Wabasha-Dodge-Olmsted-Winona-Mower-Fillmore-Houston-
Taylor-Clark-Buffalo-Trempealeau-Jackson-La Crosse-Monroe-Juneau-
Adams-Vernon-Crawford-Richland-Grant-
Including the cities of Whitehall, Viroqua, Charles City,
Arcadia, Osage, Prairie Du Chien, Decorah, Friendship, Waukon,
Preston, Mauston, New Hampton, Oelwein, Cresco, Elkader, Medford,
Neillsville, Alma, Dodge Center, La Crosse, Winona, Austin,
Richland Center, Platteville, Wabasha, Sparta, Black River Falls,
Caledonia, Tomah, and Rochester
125 PM CDT Fri Jun 20 2025

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON SATURDAY TO 9 PM CDT
SUNDAY...

* WHAT...Heat index values 100 to 107 expected during the afternoon
  and early evening.

* WHERE...Portions of north central and northeast Iowa, southeast
  Minnesota, and from southwest into central Wisconsin.

* WHEN...From noon Saturday to 9 PM CDT 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.

&&

$$

JSB

URGENT - WEATHER MESSAGE
National Weather Service Kansas City/Pleasant Hill MO
101 PM CDT Fri Jun 20 2025

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-210215-
/O.EXT.KEAX.HT.Y.0001.000000T0000Z-250623T0200Z/
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 Osborn, Tarkio, Craig, Lancaster,
Unionville, Pleasant Hill, Raymore, Bethany, Excelsior Springs,
Stewartsville, Kearney, Stanley, Trenton, Boonville, Louisburg,
Clinton, Grant City, Kansas City, Rock Port, Shawnee, Country
Club Villa, Warrensburg, Clarksdale, Union Star, Highland, Polo,
Lansing, Marceline, Hamilton, Butler, Gallatin, Greentop,
Higginsville, Osawatomie, Chillicothe, Glasgow, Olathe, Rich
Hill, Green City, Fayette, Lenexa, King City, Troy, Oregon, Queen
City, Macon, Adrian, Stanberry, Maysville, Mound City, Cameron,
Savannah, Forest City, Maryville, Princeton, Paola, Albany,
Concordia, Milan, Sedalia, Belton, Lexington, Platte City, La
Plata, Pleasanton, La Cygne, Gladstone, Plattsburg, Lawson,
Salisbury, Fairfax, Richmond, Wathena, Independence, Leavenworth,
Glenwood, Odessa, Carrollton, St. Joseph, Liberty, Riverside,
Harrisonville, Kansas City Kansas, Maitland, Weston,
Breckenridge, Moberly, Braymer, Brunswick, Atchison, Mercer,
Downing, Parkville, Weatherby Lake, Keytesville, Windsor, Elwood,
Overland Park, Jamesport, Kirksville, St. Joseph Airport,
Brookfield, Marshall, Lathrop, Fort Leavenworth, and New Franklin
101 PM CDT Fri Jun 20 2025

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

* WHAT...Heat index values of 100 to 106.

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

* WHEN...Until 9 PM CDT Sunday.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses.

* ADDITIONAL DETAILS...Overnight low temperatures tonight into
  Saturday and Saturday night into Sunday will have little relief
  with expected minimum  temperatures of mid to upper 70s Saturday
  and Sunday morning.

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

MK

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