Illinois Severe Thunderstorm Warning | Effective 04/17/2026 16:42

Headline: 
Severe Thunderstorm Warning issued April 17 at 6:42PM CDT until April 17 at 7:45PM CDT by NWS Quad Cities IA IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
April 17, 2026 - 4:42pm
Expires: 
April 17, 2026 - 5:45pm
Description: 
SVRDVN The National Weather Service in the Quad Cities has issued a * Severe Thunderstorm Warning for... Northeastern Carroll County in northwestern Illinois... Stephenson County in northwestern Illinois... * Until 745 PM CDT. * At 642 PM CDT, severe thunderstorms were located along a line extending from Rock Grove to near Lanark, moving east at 30 mph. HAZARD...60 mph wind gusts. SOURCE...Trained weather spotters. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Freeport, Lanark, Pearl City, Shannon, Cedarville, Davis, Dakota, German Valley, Rock City, Ridott, Buena Vista, Rock Grove, Oneco, Orangeville, Eleroy, Damascus, Mc Connell, Scioto Mills, Winneshiek, and Stephenson County Fairgrounds.
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. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. A Tornado Watch remains in effect until 800 PM CDT for northwestern Illinois.
Area Description: 
Carroll, IL; Stephenson, IL
Forcast Office: 
NWS Quad Cities IA IL
Sender: 
w-nws.webmaster@noaa.gov