Iowa Severe Severe Thunderstorm Warning | Effective 08/11/2026 05:33

Headline: 
Severe Thunderstorm Warning issued August 11 at 7:33AM CDT until August 11 at 8:30AM CDT by NWS Quad Cities IA IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
August 11, 2026 - 5:33am
Expires: 
August 11, 2026 - 6:30am
Description: 
SVRDVN The National Weather Service in the Quad Cities has issued a * Severe Thunderstorm Warning for... Northwestern Jackson County in east central Iowa... Dubuque County in northeastern Iowa... * Until 830 AM CDT. * At 733 AM CDT, severe thunderstorms were located along a line extending from near Backbone State Park to Delhi to Howard H Cherry Scout Reservation, moving east at 55 mph. HAZARD...70 mph wind gusts. SOURCE...Law enforcement. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. * Locations impacted include... Dubuque, Asbury, Dyersville, Bellevue, Cascade, Epworth, East Dubuque, Farley, Peosta, New Vienna, Worthington, Holy Cross, La Motte, Luxemburg, Rickardsville, Sherrill, Springbrook, St. Donatus, Centralia, and Sageville.
Instruction: 
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. This is a DANGEROUS SITUATION. These storms are producing widespread wind damage across eastern Iowa. SEEK SHELTER NOW inside a sturdy structure and stay away from windows!
Area Description: 
Dubuque, IA; Jackson, IA
Forcast Office: 
NWS Quad Cities IA IL
Sender: 
w-nws.webmaster@noaa.gov