Extreme Heat Warning
URGENT - WEATHER MESSAGE
National Weather Service Kansas City/Pleasant Hill MO
415 AM CDT Sat Sep 5 2026
MOZ001>008-011>017-023>025-032-033-052115-
/O.CON.KEAX.XH.W.0012.000000T0000Z-260906T0100Z/
Atchison MO-Nodaway-Worth-Gentry-Harrison-Mercer-Putnam-Schuyler-
Holt-Andrew-De Kalb-Daviess-Grundy-Sullivan-Adair-Livingston-Linn
MO-Macon-Chariton-Randolph-
Including the cities of Green City, Greentop, Keytesville, Stanberry,
Chillicothe, Kirksville, Maitland, Unionville, Union Star, Osborn,
Grant City, Queen City, Maryville, Clarksdale, Tarkio, Lancaster,
Marceline, Macon, King City, Craig, Savannah, Country Club Villa,
Milan, Stewartsville, Moberly, Forest City, Mound City, La Plata,
Albany, Mercer, Jamesport, Gallatin, Salisbury, Maysville, Oregon,
Brunswick, Downing, Princeton, Rock Port, Trenton, Bethany, Fairfax,
Glenwood, and Brookfield
415 AM CDT Sat Sep 5 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS
EVENING...
* WHAT...Dangerously hot and prolonged conditions with heat index
values up to 105.
* WHERE...Portions of north central, northeast, and northwest
Missouri.
* WHEN...Until 8 PM CDT this evening.
* 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.
&&
$$
https://www.weather.gov/eax
URGENT - WEATHER MESSAGE
National Weather Service Quad Cities IA IL
302 AM CDT Sat Sep 5 2026
IAZ063>065-067-068-076>078-087>089-098-099-ILZ015-024>026-034-035-
MOZ009-010-060000-
/O.CON.KDVN.XH.W.0003.000000T0000Z-260906T0000Z/
Iowa-Johnson-Cedar-Muscatine-Scott-Keokuk-Washington-Louisa-
Jefferson-Henry IA-Des Moines-Van Buren-Lee-Rock Island-Mercer-
Henderson-Warren-Hancock-McDonough-Scotland-Clark-
Including the cities of Mount Pleasant, Wapello, Washington,
Fairfield, Davenport, Carthage, Moline, Muscatine, Keosauqua, Rock
Island, Aledo, Burlington, Marengo, Tipton, Fort Madison, Monmouth,
Sigourney, Kahoka, Bettendorf, Memphis, Iowa City, Macomb, and
Oquawka
302 AM CDT Sat Sep 5 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...
* WHAT...Dangerously hot conditions with heat index values of 100 to
110.
* WHERE...Portions of northwest and west central Illinois, east
central and southeast Iowa, and northeast Missouri.
* WHEN...Until 7 PM CDT this evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
* ADDITIONAL DETAILS...Thunderstorms and storm outflow may interrupt
the heat at times.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
&&
$$
Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service Des Moines IA
305 AM CDT Sat Sep 5 2026
IAZ033>039-044>050-057>062-070>075-081>086-092>097-051815-
/O.CON.KDMX.HT.Y.0006.000000T0000Z-260906T0000Z/
Sac-Calhoun-Webster-Hamilton-Hardin-Grundy-Black Hawk-Crawford-
Carroll-Greene-Boone-Story-Marshall-Tama-Audubon-Guthrie-Dallas-Polk-
Jasper-Poweshiek-Cass-Adair-Madison-Warren-Marion-Mahaska-Adams-
Union-Clarke-Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-Wayne-
Appanoose-Davis-
Including the cities of Schaller, Indianola, Knoxville, Toledo,
Grinnell, Atlantic, Corning, Marshalltown, Fort Dodge, Lenox, Guthrie
Center, Lake View, Denison, New Market, Dysart, Early, Pomeroy,
Reinbeck, Audubon, Rockwell City, Winterset, Albia, Oskaloosa,
Jefferson, Adair, Conrad, Panora, Fontanelle, Leon, Corydon, Manson,
Wall Lake, Allerton, Dike, Bayard, Ottumwa, Centerville, Carlisle,
Adel, Odebolt, Greenfield, Carroll, Wellsburg, Tama, Bloomfield,
Earlham, Ackley, Waukee, Perry, Pella, Bedford, Waterloo, Norwalk,
Lamoni, Casey, Osceola, Des Moines, Cedar Falls, Chariton, Mount Ayr,
Seymour, Humeston, Stuart, Sac City, Creston, Webster City, Iowa
Falls, Exira, Lake City, Eldora, Traer, Boone, Grundy Center, Newton,
Ames, and Gladbrook
305 AM CDT Sat Sep 5 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...
* WHAT...Heat index values up to 105.
* WHERE...Portions of central and southern Iowa.
* WHEN...Until 7 PM CDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
* ADDITIONAL DETAILS...While heat index values may not reach 105
degrees each day, the combination of the longevity of the heat and
little or limited relief during the overnight periods with warm
lows have prompted the multi-day Heat Advisory.
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.
&&
$$
De Bruin
URGENT - WEATHER MESSAGE
National Weather Service Quad Cities IA IL
302 AM CDT Sat Sep 5 2026
IAZ040-051>053-066-ILZ009-060000-
/O.CON.KDVN.HT.Y.0009.000000T0000Z-260906T0000Z/
Buchanan-Benton-Linn-Jones-Clinton-Whiteside-
Including the cities of Clinton, Sterling, Independence, Cedar
Rapids, Vinton, and Anamosa
302 AM CDT Sat Sep 5 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...
* WHAT...Heat index values up to 100.
* WHERE...In Illinois, Whiteside County. In Iowa, Benton, Clinton,
Jones, Linn, and Buchanan Counties.
* WHEN...Until 7 PM CDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
* ADDITIONAL DETAILS...Thunderstorms and storm outflow may interrupt
the heat at times.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
JTS
URGENT - WEATHER MESSAGE
National Weather Service Omaha/Valley NE
539 PM CDT Fri Sep 4 2026
IAZ055-056-069-079-080-090-091-NEZ044-045-050>053-065>068-078-
088>093-060000-
/O.CON.KOAX.HT.Y.0008.000000T0000Z-260906T0000Z/
Harrison-Shelby-Pottawattamie-Mills-Montgomery-Fremont-Page-Dodge-
Washington-Butler-Saunders-Douglas-Sarpy-Seward-Lancaster-Cass-Otoe-
Saline-Jefferson-Gage-Johnson-Nemaha-Pawnee-Richardson-
Including the cities of Shenandoah, Woodbine, Yutan, Plattsmouth,
Sterling, Hamburg, David City, Clarinda, Farragut, Beatrice, Red Oak,
Sidney, Logan, Tabor, Crete, Milford, La Vista, Wilber, Seward, Falls
City, Harlan, Pawnee City, Dunlap, Ashland, Lincoln, Auburn,
Bellevue, Table Rock, Fremont, Papillion, Fairbury, Nebraska City,
Glenwood, Council Bluffs, Blair, Omaha, Tecumseh, Wahoo, and Missouri
Valley
539 PM CDT Fri Sep 4 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT SATURDAY...
* WHAT...Afternoon heat index values up to 108 expected. Overnight
low temperatures between 72 and 78.
* WHERE...Portions of southwest Iowa and east central and southeast
Nebraska.
* WHEN...Until 7 PM CDT Saturday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses. Several days of excessive heat will add to cumulative
heat stress.
* ADDITIONAL DETAILS...The heat advisory may be extended or expanded
as the prolonged heatwave continues.
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.
&&
$$
Petersen
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Sioux Falls SD
428 AM CDT Sat Sep 5 2026
IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ038>040-050-052>071-060930-
Lyon-Osceola-Dickinson-Sioux-O`Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson-
Pipestone-Rock-Dixon-Dakota-Beadle-Kingsbury-Brookings-Gregory-
Jerauld-Sanborn-Miner-Lake-Moody-Brule-Aurora-Davison-Hanson-McCook-
Minnehaha-Charles Mix-Douglas-Hutchinson-Turner-Bon Homme-Yankton-
Union-
428 AM CDT Sat Sep 5 2026
This Hazardous Weather Outlook is for northwest Iowa, west central
Iowa, southwest Minnesota, northeast Nebraska, central South
Dakota, east central South Dakota, south central South Dakota and
southeast South Dakota.
.DAY ONE...Today and tonight.
Thunderstorms continue this morning. Some may be strong to severe
producing heavy rain, wind gusts to 65 mph, and hail to the size of
a quarter.
Some patchy fog will reduce visibility through mid morning east of
I-29.
Heat and humidity lead to heat index values around 100 degrees again
this afternoon and evening.
.DAYS TWO THROUGH SEVEN...Sunday through Friday.
Hot and humid conditions are expected through the holiday weekend.
Heat Index values will be in the 90s to around 100 during the
afternoon. Please apply heat safety to your outdoor activities.
Periods of isolated to scattered thunderstorms remain possible
through the holiday weekend into the work week. A stronger storm or
two are possible but widespread severe weather is not expected.
.SPOTTER INFORMATION STATEMENT...
Spotter activation may be needed at times into Monday.
$$
Hazardous Weather Outlook
National Weather Service Twin Cities/Chanhassen MN
342 AM CDT Sat Sep 5 2026
MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028-
060900-
Douglas-Todd-Morrison-Mille Lacs-Kanabec-Stevens-Pope-Stearns-
Benton-Sherburne-Isanti-Chisago-Lac Qui Parle-Swift-Chippewa-
Kandiyohi-Meeker-Wright-Hennepin-Anoka-Ramsey-Washington-
Yellow Medicine-Renville-McLeod-Sibley-Carver-Scott-Dakota-
Redwood-Brown-Nicollet-Le Sueur-Rice-Goodhue-Watonwan-Blue Earth-
Waseca-Steele-Martin-Faribault-Freeborn-Polk-Barron-Rusk-
St. Croix-Pierce-Dunn-Pepin-Eau Claire-
342 AM CDT Sat Sep 5 2026
This Hazardous Weather Outlook is for portions of central and
southern Minnesota, and west central Wisconsin.
.DAY ONE...Today and Tonight.
Isolated thunderstorms are possible in far western Minnesota this
morning but severe weather is not expected.
.DAYS TWO THROUGH SEVEN...Sunday through Friday.
Scattered thunderstorms are possible early Sunday morning and
again Sunday afternoon and evening. A few thunderstorms in western
Minnesota may be strong to severe, with the main hazards being
damaging straight line winds and large hail.
Scattered thunderstorms are possible Monday afternoon and evening.
A few thunderstorms in western Minnesota may be strong to
severe, with the main hazards being damaging straight line winds
and large hail.
.SPOTTER INFORMATION STATEMENT...
SKYWARN spotter activation may be needed Sunday and Monday.
$$
Hazardous Weather Outlook
National Weather Service Des Moines IA
329 AM CDT Sat Sep 5 2026
IAZ004>007-015>017-023>028-060830-
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer-
329 AM CDT Sat Sep 5 2026
This Hazardous Weather Outlook is for portions of central Iowa.
.DAY ONE...Today and tonight
Heat and humidity persists today with heat indices around 100
degrees late this afternoon.
.DAYS TWO THROUGH SEVEN...Sunday through Friday
Additional thunderstorm chances are forecast at times from Sunday
into early next week. Any severe weather potential during that
time will be assessed in the coming days.
.SPOTTER INFORMATION STATEMENT...
Storm reports are always appreciated.
&&
NWS Des Moines will discontinue the Hazardous Weather Outlook
product (HWO) on September 30th, 2026. Weather hazards and
outlooks will continue to be provided through the standard
forecast channels, including weather briefing packets, forecast
discussions, weather story graphics, the experimental graphical
hazardous weather outlook, and updated hazard messaging. All
local products and visual tools are accessible directly at
weather.gov/desmoines.
$$
Hazardous Weather Outlook
National Weather Service Des Moines IA
329 AM CDT Sat Sep 5 2026
IAZ033>039-044>050-057>062-070>075-081>086-092>097-060830-
Sac-Calhoun-Webster-Hamilton-Hardin-Grundy-Black Hawk-Crawford-
Carroll-Greene-Boone-Story-Marshall-Tama-Audubon-Guthrie-Dallas-
Polk-Jasper-Poweshiek-Cass-Adair-Madison-Warren-Marion-Mahaska-
Adams-Union-Clarke-Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-
Wayne-Appanoose-Davis-
329 AM CDT Sat Sep 5 2026
This Hazardous Weather Outlook is for portions of central Iowa.
.DAY ONE...Today and tonight
A Heat Advisory is in effect for the area. Please refer to the
National Weather Service website at weather.gov/desmoines for
further details.
.DAYS TWO THROUGH SEVEN...Sunday through Friday
Additional thunderstorm chances are forecast at times Sunday into
early next week. Any severe weather potential during that time
will be assessed in the coming days.
.SPOTTER INFORMATION STATEMENT...
Storm reports are always appreciated.
&&
NWS Des Moines will discontinue the Hazardous Weather Outlook
product (HWO) on September 30th, 2026. Weather hazards and
outlooks will continue to be provided through the standard
forecast channels, including weather briefing packets, forecast
discussions, weather story graphics, the experimental graphical
hazardous weather outlook, and updated hazard messaging. All
local products and visual tools are accessible directly at
weather.gov/desmoines.
$$
Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
228 AM CDT Sat Sep 5 2026
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-060730-
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
228 AM CDT Sat Sep 5 2026
This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.
.DAY ONE...TODAY AND TONIGHT
Dangerous heat continues through this evening. Peak heat indices
of 100 to 110 degrees are expected.
.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY
Heat and humidity will return on Tuesday and Wednesday as heat
indices reach into the mid 90s to 100 degrees along and south of
Interstate 80.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected today or tonight.
$$
Hazardous Weather Outlook
National Weather Service Kansas City/Pleasant Hill MO
0506 AM CDT Fri Sep 04 2026
KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-051006-
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-
0506 AM CDT Fri Sep 04 2026
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...Saturday through Thursday.
Please go to https://weather.gov/media/eax/DssPacket.pdf for more information on
potential weather hazards.
.KEY MESSAGES...
- Well above normal temperatures are expected to continue
through the weekend and into next week.
- Extreme Heat Warning in effect through 8 PM Saturday area wide
- Extreme Heat Warning in effect through 8 PM Tuesday for areas
along and south of a line from St. Joseph MO to Booneville
MO
- Very limited chances for any measurable precipitation through
the weekend and into next week for much of the area.
$$
