Iowa Extreme Tornado Warning | Effective 08/11/2026 05:58

Headline: 
Tornado Warning issued August 11 at 7:58AM CDT until August 11 at 8:15AM CDT by NWS Quad Cities IA IL
Event: 
Tornado Warning
Urgency: 
Immediate
Effective: 
August 11, 2026 - 5:58am
Expires: 
August 11, 2026 - 6:15am
Description: 
At 757 AM CDT, a severe squall line capable of producing both tornadoes and extensive straight line wind damage was located along a line extending from near Holy Cross to Epworth to Fillmore Recreation Area, moving east at 55 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. These dangerous storms will be near... Dubuque, Asbury, Peosta, Rickardsville, Centralia, Zwingle, Durango, Graf, Key West, and Dubuque Regional Airport around 805 AM CDT. Sageville, Lock And Dam 11, Edmore, and Massey around 810 AM CDT.
Instruction: 
TAKE COVER NOW! Move to a basement or an interior room on the lowest floor of a sturdy building. Avoid windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris. This line of thunderstorms is capable of producing tornadoes and widespread significant wind damage. Do not wait to see or hear the tornado. For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Dubuque, IA
Forcast Office: 
NWS Quad Cities IA IL
Sender: 
w-nws.webmaster@noaa.gov