Tornado Warning — Dubuque County, Iowa
A tornado has been sighted or indicated by weather radar. Take shelter immediately in a sturdy building, away from windows.
Current Status
🌪️ Active: Tornado Warning
Tornado Warning issued August 11 at 7:58AM CDT until August 11 at 8:15AM CDT by NWS Quad Cities IA IL
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.
Effective August 11, 2026 at 8:58 AM ET · Expires August 11, 2026 at 9:15 AM ET
Event Details
Event Type
Tornado Warning
Severity
extreme
Issued By
NWS Quad Cities IA IL
Expires
August 11, 2026 at 9:15 AM ET
Last Checked
1 hour ago
What To Do
📋 Official NWS Guidance
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.
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Get Tornado Warning Alerts for Dubuque County
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Frequently Asked Questions
What does a Tornado Warning mean for Dubuque County, Iowa?
A tornado has been sighted or indicated by weather radar. Take shelter immediately in a sturdy building, away from windows.
Is this Tornado Warning currently active?
Yes — this alert is active as of our last check (1 hour ago). It's set to expire August 11, 2026 at 9:15 AM ET.
How do I get notified about Tornado Warning alerts for Dubuque County?
Download StormCast free on Google Play and set Dubuque County, Iowa as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.