Illinois, Iowa Severe Thunderstorm Warning - Severe | Effective 06/11/2026 09:34

Headline: 
Severe Thunderstorm Warning issued June 11 at 11:34AM CDT until June 11 at 12:15PM CDT by NWS Quad Cities IA IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
June 11, 2026 - 9:34am
Expires: 
June 11, 2026 - 10:15am
Description: 
At 1134 AM CDT, a severe thunderstorm was located over Spring Grove, or near Burlington, moving east at 45 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Burlington, Fort Madison, Monmouth, Oquawka, West Burlington, Roseville, Dallas City, Stronghurst, Kirkwood, Middletown, Carman, Biggsville, Gladstone, Rozetta, Terre Haute, Raritan, Gulf Port, Lake Warren, Disco, and Iowa Army Ammunition Plant. This also includes Delabar State Park and Henderson County Conservation Area.
Instruction: 
A Tornado Watch remains in effect until 300 PM CDT for west central Illinois...and southeastern Iowa. Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a sturdy building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
Area Description: 
Hancock, IL; Henderson, IL; McDonough, IL; Warren, IL; Des Moines, IA; Lee, IA
Forcast Office: 
NWS Quad Cities IA IL
Sender: 
w-nws.webmaster@noaa.gov