Illinois, Iowa Severe Thunderstorm Warning | Effective 05/04/2026 17:16

Headline: 
Severe Thunderstorm Warning issued May 4 at 7:16PM CDT until May 4 at 8:00PM CDT by NWS Quad Cities IA IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 4, 2026 - 5:16pm
Expires: 
May 4, 2026 - 6:00pm
Description: 
At 716 PM CDT, severe thunderstorms were located along a line extending from near Lake Warren to Delabar State Park, moving east at 35 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Monmouth, Oquawka, Kirkwood, Little York, Biggsville, Gladstone, Rozetta, Lake Warren, Alexis, Greenbush, Coldbrook, Bald Bluff, Berwick, Ormonde, Gerlaw, Ponemah, Larchland, Monmouth Municipal Airport, Big River State Forest, and Cameron.
Instruction: 
For your protection move to an interior room on the lowest floor of a sturdy building.
Area Description: 
Henderson, IL; Warren, IL; Des Moines, IA
Forcast Office: 
NWS Quad Cities IA IL
Sender: 
w-nws.webmaster@noaa.gov