Iowa Severe Severe Thunderstorm Warning | Effective 08/07/2026 11:51

Headline: 
Severe Thunderstorm Warning issued August 7 at 1:51PM CDT until August 7 at 2:15PM CDT by NWS Des Moines IA
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
August 7, 2026 - 11:51am
Expires: 
August 7, 2026 - 12:15pm
Description: 
At 150 PM CDT, severe thunderstorms were located along a line extending from Stacyville to State Road 9 And County T 26 to near Mason City, moving east at 45 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Mason City, Nora Springs, Manly, Mason City Municipal Airport, Plymouth, Kensett, Grafton, Hanlontown, Rock Falls, Portland, and Bolan. This includes Interstate 35 between mile markers 195 and 205.
Instruction: 
For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Cerro Gordo, IA; Worth, IA
Forcast Office: 
NWS Des Moines IA
Sender: 
w-nws.webmaster@noaa.gov