Iowa Severe Thunderstorm Warning | Effective 04/17/2026 12:51

Headline: 
Severe Thunderstorm Warning issued April 17 at 2:51PM CDT until April 17 at 3:15PM CDT by NWS Des Moines IA
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
April 17, 2026 - 12:51pm
Expires: 
April 17, 2026 - 1:15pm
Description: 
At 251 PM CDT, a severe thunderstorm was located over Waverly, moving northeast at 45 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Waverly, Sumner, Denver, Tripoli, Shell Rock, Janesville, Readlyn, Frederika, and Waverly Municipal Airport.
Instruction: 
A Tornado Watch remains in effect until 800 PM CDT for north central and northeastern Iowa. For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Bremer, IA; Butler, IA
Forcast Office: 
NWS Des Moines IA
Sender: 
w-nws.webmaster@noaa.gov