Iowa Severe Thunderstorm Warning | Effective 04/15/2026 09:53

Headline: 
Severe Thunderstorm Warning issued April 15 at 11:53AM CDT until April 15 at 12:15PM CDT by NWS Omaha/Valley NE
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
April 15, 2026 - 9:53am
Expires: 
April 15, 2026 - 10:15am
Description: 
At 1153 AM CDT, a severe thunderstorm was located 5 miles northeast of Defiance, or 8 miles south of Denison, moving east at 45 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Trained weather spotters reported golf ball size hail in Dunlap with several windows broken on the west side of a home. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Irwin and Defiance.
Instruction: 
Prepare immediately for large hail and damaging winds. People outside should move to a shelter, inside a strong building and away from windows.
Area Description: 
Shelby, IA
Forcast Office: 
NWS Omaha/Valley NE
Sender: 
w-nws.webmaster@noaa.gov