Illinois, Iowa Severe Thunderstorm Warning | Effective 04/17/2026 16:12

Headline: 
Severe Thunderstorm Warning issued April 17 at 6:12PM CDT until April 17 at 6:45PM CDT by NWS Quad Cities IA IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
April 17, 2026 - 4:12pm
Expires: 
April 17, 2026 - 4:45pm
Description: 
At 612 PM CDT, severe thunderstorms were located along a line extending from near Apple River to near Elmoville to South Sabula Lake Park, moving east at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Freeport, Mount Carroll, Savanna, Lena, Stockton, Lanark, Warren, Pearl City, Shannon, Cedarville, Davis, Woodbine, Sabula, Dakota, German Valley, Apple River, Winslow, Rock City, Ridott, and Nora.
Instruction: 
A Tornado Watch remains in effect until 800 PM CDT for northwestern Illinois...and east central Iowa. Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a sturdy building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
Area Description: 
Carroll, IL; Jo Daviess, IL; Stephenson, IL; Jackson, IA
Forcast Office: 
NWS Quad Cities IA IL
Sender: 
w-nws.webmaster@noaa.gov