Illinois, Iowa Severe Thunderstorm Warning | Effective 05/18/2026 01:51

Headline: 
Severe Thunderstorm Warning issued May 18 at 3:51AM CDT until May 18 at 4:45AM CDT by NWS Quad Cities IA IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 18, 2026 - 1:51am
Expires: 
May 18, 2026 - 2:45am
Description: 
At 351 AM CDT, a severe thunderstorm was located over Bettendorf, moving northeast at 30 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Trained weather spotters. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Davenport, Moline, Rock Island, Bettendorf, Clinton, East Moline, Silvis, Eldridge, Camanche, Le Claire, Coal Valley, Hampton, Port Byron, Garden Plain, Rapids City, Albany, Princeton, Cordova, Riverdale, and McCausland. This includes the following highways... Interstate 74 in Iowa between mile markers 1 and 5. Interstate 80 in Iowa between mile markers 294 and 306. Interstate 80 in Illinois between mile markers 1 and 4. Interstate 74 in Illinois between mile markers 1 and 4, and between mile markers 6 and 7.
Instruction: 
For your protection move to an interior room on the lowest floor of a sturdy building. Continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning.
Area Description: 
Rock Island, IL; Whiteside, IL; Clinton, IA; Scott, IA
Forcast Office: 
NWS Quad Cities IA IL