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FLUS43 KDMX 150836
HWODMX

Hazardous Weather Outlook
National Weather Service Des Moines IA
336 AM CDT Tue Sep 15 2026

IAZ025>028-034>039-045>050-057>062-070>074-081>084-092>095-161200-
Wright-Franklin-Butler-Bremer-Calhoun-Webster-Hamilton-Hardin-
Grundy-Black Hawk-Carroll-Greene-Boone-Story-Marshall-Tama-
Audubon-Guthrie-Dallas-Polk-Jasper-Poweshiek-Cass-Adair-Madison-
Warren-Marion-Adams-Union-Clarke-Lucas-Taylor-Ringgold-Decatur-
Wayne-
336 AM CDT Tue Sep 15 2026

This Hazardous Weather Outlook is for portions of central Iowa.

.DAY ONE...Today and tonight

A Flash Flood Watch is in effect for the area. Please see our
website at weather.gov/dmx for additional details.

There`s a Slight Risk for excessive rainfall today as a cold front
crosses through the area. Flash flooding remains possible
especially for locations that receive multiple rounds of rain.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

A Flash Flood Watch is in effect for the area through midday
Wednesday. Please see our website at weather.gov/dmx for
additional details.

Additional rounds of thunderstorms and heavy rainfall are expected
at times from Wednesday through much of this week. Flash flooding
and river flooding will become more of a threat with each round
of heavy rain.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to safely report instances of flash
flooding.

&&

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.

$$

IAZ004>007-015>017-023-024-033-044-075-085-086-096-097-161200-
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Pocahontas-Humboldt-Sac-Crawford-Mahaska-Monroe-Wapello-Appanoose-
Davis-
336 AM CDT Tue Sep 15 2026

This Hazardous Weather Outlook is for portions of central Iowa.

.DAY ONE...Today and tonight

No hazardous weather is expected today.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Additional rounds of thunderstorms and heavy rainfall are expected
at times from Wednesday through much of this week. Flash flooding
and river flooding will become more of a threat with each round
of heavy rain.

.SPOTTER INFORMATION STATEMENT...

&&

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.

$$

VORST