Severe Thunderstorm Warning — Clinton County, Iowa
A thunderstorm capable of producing damaging winds of 58+ mph and/or 1-inch hail has been detected.
Current Status
⛈️ Active: Severe Thunderstorm Warning
Severe Thunderstorm Warning issued August 11 at 8:49AM CDT until August 11 at 9:15AM CDT by NWS Quad Cities IA IL
At 849 AM CDT, severe thunderstorms were located along a line extending from Camanche to near Port Byron to Campbells Island, moving east at 50 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. This line of storms has a history of producing wind damage across portions of eastern Iowa. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... Davenport, Bettendorf, Clinton, Eldridge, DeWitt, Camanche, Le Claire, Hampton, Port Byron, Rapids City, Albany, Princeton, Long Grove, Cordova, McCausland, Low Moor, East Clinton, Hillsdale, Malone, and Folletts. This includes the following highways... Interstate 74 in Iowa near mile marker 1. Interstate 80 in Iowa between mile markers 291 and 306. Interstate 80 in Illinois near mile marker 1. Interstate 88 between mile markers 6 and 14. Interstate 280 near mile marker 1.
Effective August 11, 2026 at 9:49 AM ET · Expires August 11, 2026 at 10:15 AM ET
Event Details
Event Type
Severe Thunderstorm Warning
Severity
severe
Issued By
NWS Quad Cities IA IL
Expires
August 11, 2026 at 10:15 AM ET
Last Checked
14 minutes ago
What To Do
📋 Official NWS Guidance
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. This is a DANGEROUS SITUATION. These storms are producing widespread wind damage across portions of eastern Iowa. SEEK SHELTER NOW inside a sturdy structure and stay away from windows. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
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Get Severe Thunderstorm Warning Alerts for Clinton County
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Frequently Asked Questions
What does a Severe Thunderstorm Warning mean for Clinton County, Iowa?
A thunderstorm capable of producing damaging winds of 58+ mph and/or 1-inch hail has been detected.
Is this Severe Thunderstorm Warning currently active?
Yes — this alert is active as of our last check (14 minutes ago). It's set to expire August 11, 2026 at 10:15 AM ET.
How do I get notified about Severe Thunderstorm Warning alerts for Clinton County?
Download StormCast free on Google Play and set Clinton 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.