Illinois Severe Thunderstorm Warning | Effective 04/17/2026 16:43

Headline: 
Severe Thunderstorm Warning issued April 17 at 6:43PM CDT until April 17 at 7:45PM CDT by NWS Quad Cities IA IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
April 17, 2026 - 4:43pm
Expires: 
April 17, 2026 - 5:45pm
Description: 
SVRDVN The National Weather Service in the Quad Cities has issued a * Severe Thunderstorm Warning for... South central Rock Island County in northwestern Illinois... Northeastern Mercer County in northwestern Illinois... Henry County in northwestern Illinois... Western Bureau County in north central Illinois... * Until 745 PM CDT. * At 643 PM CDT, severe thunderstorms were located along a line extending from Orion to Galesburg, moving east at 65 mph. HAZARD...70 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. * Severe thunderstorms will be near... Cambridge, Geneseo, Bishop Hill, Nekoma, Ulah, and Henry County Fairgrounds around 650 PM CDT. Galva, Atkinson, and German Corner around 655 PM CDT. Kewanee, Annawan, and Kewanee Municipal Airport around 700 PM CDT. Neponset, Mineral, and Johnson-Sauk Trail State Park around 705 PM CDT. Sheffield around 710 PM CDT. Buda and Manlius around 715 PM CDT. Other locations impacted by these severe thunderstorms include Preemption, Henry County Fairgrounds, Silvis Heights, Ophiem, German Corner, Coyne Center, Sunny Hill, Dayton, Manlius, and Nekoma. This includes the following highways... Interstate 80 in Illinois between mile markers 6 and 47. Interstate 74 in Illinois between mile markers 2 and 33. Interstate 280 between mile markers 11 and 18.
Instruction: 
For your protection move to an interior room on the lowest floor of a sturdy building. A Tornado Watch remains in effect until 800 PM CDT for north central and northwestern Illinois...and east central Iowa.
Area Description: 
Bureau, IL; Henry, IL; Mercer, IL; Rock Island, IL
Forcast Office: 
NWS Quad Cities IA IL
Sender: 
w-nws.webmaster@noaa.gov