Illinois Severe Thunderstorm Warning | Effective 04/17/2026 18:32

Headline: 
Severe Thunderstorm Warning issued April 17 at 8:32PM CDT until April 17 at 9:30PM CDT by NWS Chicago IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
April 17, 2026 - 6:32pm
Expires: 
April 17, 2026 - 7:30pm
Description: 
At 832 PM CDT, severe thunderstorms were located along a line extending from near Wadsworth to Port Barrington to near Hampshire, moving east at 45 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... Elgin, Waukegan, Arlington Heights, Evanston, Schaumburg, Palatine, Skokie, Des Plaines, Mount Prospect, Hoffman Estates, Glenview, Buffalo Grove, Bartlett, Streamwood, Hanover Park, Wheeling, Park Ridge, Northbrook, Elk Grove Village, North Chicago, Gurnee, Mundelein, Niles, Highland Park, and Round Lake Beach.
Instruction: 
A Tornado Watch remains in effect until 1000 PM CDT for northeastern Illinois. A Tornado Watch also remains in effect until 1100 PM CDT for northeastern Illinois. 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.
Area Description: 
Cook, IL; Lake, IL
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov