Severe Thunderstorm Watch — Calhoun County, Iowa
Conditions favor the development of severe thunderstorms in and near the watch area.
Current Status
⛈️ Active: Severe Thunderstorm Watch
Severe Thunderstorm Watch issued August 12 at 4:16AM CDT until August 12 at 10:00AM CDT by NWS Des Moines IA
THE NATIONAL WEATHER SERVICE HAS EXTENDED SEVERE THUNDERSTORM WATCH 573 TO INCLUDE THE FOLLOWING AREAS UNTIL 10 AM CDT THIS MORNING IN IOWA THIS WATCH INCLUDES 8 COUNTIES IN CENTRAL IOWA HAMILTON STORY WEBSTER IN NORTH CENTRAL IOWA HUMBOLDT WRIGHT IN NORTHWEST IOWA POCAHONTAS IN WEST CENTRAL IOWA CALHOUN SAC THIS INCLUDES THE CITIES OF AMES, BELMOND, CLARION, EAGLE GROVE, EARLY, FONDA, FORT DODGE, GILMORE CITY, HUMBOLDT, LAKE CITY, LAKE VIEW, LAURENS, MANSON, ODEBOLT, POCAHONTAS, POMEROY, ROCKWELL CITY, ROLFE, SAC CITY, SCHALLER, WALL LAKE, AND WEBSTER CITY. * PRIMARY THREATS INCLUDE... SCATTERED DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS TO 80 MPH POSSIBLE. ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE.
Effective August 12, 2026 at 5:16 AM ET · Expires August 12, 2026 at 11:00 AM ET
Event Details
Event Type
Severe Thunderstorm Watch
Severity
severe
Issued By
NWS Des Moines IA
Expires
August 12, 2026 at 11:00 AM ET
Last Checked
2 minutes ago
Also In Effect For
This same Severe Thunderstorm Watch also covers:
Other Active Alerts in Iowa
Severe Thunderstorm Watch
Severe Thunderstorm Watch
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Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Get Severe Thunderstorm Watch Alerts for Calhoun County
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Frequently Asked Questions
What does a Severe Thunderstorm Watch mean for Calhoun County, Iowa?
Conditions favor the development of severe thunderstorms in and near the watch area.
Is this Severe Thunderstorm Watch currently active?
Yes — this alert is active as of our last check (2 minutes ago). It's set to expire August 12, 2026 at 11:00 AM ET.
How do I get notified about Severe Thunderstorm Watch alerts for Calhoun County?
Download StormCast free on Google Play and set Calhoun County, Iowa as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Severe Thunderstorm Watch is also in effect for Sac County, Wright County, Story County, Hamilton County, Humboldt County, Pocahontas County, Webster County.