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FLUS43 KDMX 042156
HWODMX
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DES MOINES IA
456 PM CDT FRI SEP 4 2026
IAZ004>007-015>017-023>028-052200-
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-
456 PM CDT FRI SEP 4 2026
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.
DAY ONE
TONIGHT
HEAT AND HUMIDITY PERSISTS TODAY WITH HEAT INDICES AROUND 100
DEGREES LATE THIS AFTERNOON.
DAYS TWO THROUGH SEVEN
SATURDAY THROUGH THURSDAY
LATE SEASON HEAT AND HUMIDITY WILL GENERALLY PERSIST FROM
SATURDAY INTO EARLY NEXT WEEK, BUT WITH SOME RELATIVE BREAKS AT
TIMES.
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.
IAZ033>039-044>050-057>062-070>075-081>086-092>097-052200-
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-
456 PM CDT FRI SEP 4 2026
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.
DAY ONE
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
SATURDAY THROUGH THURSDAY
A HEAT ADVISORY IS IN EFFECT THROUGH SATURDAY AFTERNOON. PLEASE
REFER TO THE NATIONAL WEATHER SERVICE WEBSITE AT
WEATHER.GOV/DESMOINES FOR FURTHER DETAILS.
ADDITIONAL THUNDERSTORM CHANCES ARE FORECAST AT TIMES FROM
SATURDAY NIGHT 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.
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