Illinois Severe Thunderstorm Warning | Effective 04/17/2026 16:55

Headline: 
Severe Thunderstorm Warning issued April 17 at 6:55PM CDT until April 17 at 8:15PM CDT by NWS Chicago IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
April 17, 2026 - 4:55pm
Expires: 
April 17, 2026 - 6:15pm
Description: 
SVRLOT The National Weather Service in Chicago has issued a * Severe Thunderstorm Warning for... Lee County in north central Illinois... * Until 815 PM CDT. * At 654 PM CDT, severe thunderstorms were located along a line extending from Morrison to near Geneseo to near Princeton, moving east northeast at 40 to 55 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Dixon, Amboy, Franklin Grove, Ashton, Paw Paw, Sublette, Woodhaven Lakes, Grand Detour, Lee, Compton, Steward, Nelson, West Brooklyn, Harmon, Woodland Shores, Eldena, Lee Center, and Nachusa.
Instruction: 
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 building. A Tornado Watch remains in effect until 800 PM CDT for north central Illinois.
Area Description: 
Lee, IL
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov