Iowa Severe Thunderstorm Warning - Severe | Effective 06/11/2026 05:20

Headline: 
Severe Thunderstorm Warning issued June 11 at 7:20AM CDT until June 11 at 8:00AM CDT by NWS Des Moines IA
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
June 11, 2026 - 5:20am
Expires: 
June 11, 2026 - 6:00am
Description: 
SVRDMX The National Weather Service in Des Moines has issued a * Severe Thunderstorm Warning for... Story County in central Iowa... Boone County in central Iowa... * Until 800 AM CDT. * At 719 AM CDT, a severe thunderstorm was located over Perry, moving east at 55 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Ames, Boone, Nevada, Story City, Huxley, Madrid, Slater, Roland, Gilbert, Woodward, Iowa State Center, Boone Speedway, Maxwell, Cambridge, McCallsburg, Sheldahl, Kelley, Pilot Mound, Luther, and Fraser. This includes Interstate 35 between mile markers 102 and 126.
Instruction: 
For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Boone, IA; Story, IA
Forcast Office: 
NWS Des Moines IA
Sender: 
w-nws.webmaster@noaa.gov