Hazardous Weather Outlook
Issued by NWS Des Moines, IA

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HWODMX

Hazardous Weather Outlook
National Weather Service Des Moines IA
349 AM CDT Tue Aug 18 2026

IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-190900-
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer-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-
349 AM CDT Tue Aug 18 2026

This Hazardous Weather Outlook is for portions of central Iowa.

.DAY ONE...Today and tonight

Thunderstorms are expected today. A damaging wind gusts and
locally heavy rain is possible, mainly this morning. Isolated to
scattered storms may redevelop this afternoon and continue
tonight. The threat for severe weather is low with those storms.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Occasional storm chances persist through the end of the week
including over western Iowa on Wednesday and the entire area
Thursday night.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$