Iowa Severe Severe Thunderstorm Warning | Effective 06/17/2026 03:43

Headline: 
Severe Thunderstorm Warning issued June 17 at 5:43AM CDT until June 17 at 6:30AM CDT by NWS Des Moines IA
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
June 17, 2026 - 3:43am
Expires: 
June 17, 2026 - 4:30am
Description: 
SVRDMX The National Weather Service in Des Moines has issued a * Severe Thunderstorm Warning for... Northeastern Marshall County in central Iowa... Northern Tama County in central Iowa... Southeastern Grundy County in central Iowa... * Until 630 AM CDT. * At 543 AM CDT, a severe thunderstorm was located over Beaman, or 8 miles south of Grundy Center, moving east at 50 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Traer, Reinbeck, Dysart, Conrad, Gladbrook, Clutier, Beaman, Lincoln, and Tf Clark State Park.
Instruction: 
For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Grundy, IA; Marshall, IA; Tama, IA
Forcast Office: 
NWS Des Moines IA