Iowa Severe Thunderstorm Warning - Severe | Effective 06/11/2026 04:57

Headline: 
Severe Thunderstorm Warning issued June 11 at 6:57AM CDT until June 11 at 7:45AM CDT by NWS Des Moines IA
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
June 11, 2026 - 4:57am
Expires: 
June 11, 2026 - 5:45am
Description: 
SVRDMX The National Weather Service in Des Moines has issued a * Severe Thunderstorm Warning for... Polk County in central Iowa... Madison County in south central Iowa... Eastern Guthrie County in west central Iowa... Eastern Adair County in southwestern Iowa... Dallas County in central Iowa... Warren County in south central Iowa... * Until 745 AM CDT. * At 656 AM CDT, severe thunderstorms were located along a line extending from Springbrook State Park to near Afton, moving east at 65 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Trained weather spotters. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Des Moines, West Des Moines, Ankeny, Urbandale, Johnston, Clive, Indianola, Altoona, Waukee, Norwalk, Pleasant Hill, Grimes, Perry, Winterset, Adel, Windsor Heights, Carlisle, Bondurant, Polk City, and Saylorville. This includes the following highways... Interstate 35 between mile markers 43 and 72, and between mile markers 87 and 101. Interstate 80 between mile markers 87 and 149. Interstate 235 between mile markers 1 and 14.
Instruction: 
For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Adair, IA; Dallas, IA; Guthrie, IA; Madison, IA; Polk, IA; Warren, IA
Forcast Office: 
NWS Des Moines IA
Sender: 
w-nws.webmaster@noaa.gov