Iowa Severe Severe Thunderstorm Warning | Effective 08/11/2026 05:59

Headline: 
Severe Thunderstorm Warning issued August 11 at 7:59AM CDT until August 11 at 9:00AM CDT by NWS Quad Cities IA IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
August 11, 2026 - 5:59am
Expires: 
August 11, 2026 - 7:00am
Description: 
SVRDVN The National Weather Service in the Quad Cities has issued a * Severe Thunderstorm Warning for... Southern Jackson County in east central Iowa... Southeastern Jones County in east central Iowa... Clinton County in east central Iowa... * Until 900 AM CDT. * At 759 AM CDT, severe thunderstorms were located along a line extending from Otter Creek to Maquoketa Caves State Park to Center Junction, moving southeast at 40 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. * Locations impacted include... Clinton, Maquoketa, Preston, Sabula, Delmar, Wyoming, Oxford Junction, Lost Nation, Miles, Andrew, Charlotte, Onslow, Welton, Monmouth, Springbrook, Center Junction, Andover, Spragueville, Fulton, and Hurstville.
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. For your protection move to an interior room on the lowest floor of a sturdy building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
Area Description: 
Clinton, IA; Jackson, IA; Jones, IA
Forcast Office: 
NWS Quad Cities IA IL
Sender: 
w-nws.webmaster@noaa.gov