Illinois Severe Thunderstorm Warning | Effective 05/04/2026 15:56

Headline: 
Severe Thunderstorm Warning issued May 4 at 5:56PM CDT until May 4 at 6:30PM CDT by NWS Quad Cities IA IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 4, 2026 - 3:56pm
Expires: 
May 4, 2026 - 4:30pm
Description: 
At 556 PM CDT, severe thunderstorms were located along a line extending from near Hooppole to Nekoma, moving east at 40 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Trained weather spotters. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Kewanee, Cambridge, Geneseo, Galva, Atkinson, Annawan, Andover, Hooppole, Lynn Center, Osco, Bishop Hill, Henry County Fairgrounds, Ophiem, German Corner, Nekoma, Ulah, and Johnson-Sauk Trail State Park. This includes the following highways... Interstate 80 in Illinois between mile markers 15 and 35. Interstate 74 in Illinois between mile markers 23 and 29.
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 these storms. 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: 
Henry, IL
Forcast Office: 
NWS Quad Cities IA IL
Sender: 
w-nws.webmaster@noaa.gov