Illinois Severe Thunderstorm Warning | Effective 04/17/2026 20:22

Headline: 
Severe Thunderstorm Warning issued April 17 at 10:22PM CDT until April 17 at 10:45PM CDT by NWS Chicago IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
April 17, 2026 - 8:22pm
Expires: 
April 17, 2026 - 8:45pm
Description: 
At 1022 PM CDT, severe thunderstorms were located along a line extending from South Deering to Monee to near Beecher, moving east at 50 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Chicago, Hammond, Orland Park, Tinley Park, Oak Lawn, Calumet City, Chicago Heights, Chicago Lawn, Englewood, South Shore, Roseland, Bridgeport, Chicago Loop, Midway Airport, South Lawndale, Lincoln Park, West Town, Burbank, Lansing, Oak Forest, Harvey, New Lenox, Homer Glen, Blue Island, and Munster.
Instruction: 
A Tornado Watch remains in effect until 1100 PM CDT for northeastern Illinois...and northwestern Indiana. 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; Will, IL
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov