Illinois Tornado Warning | Effective 04/17/2026 18:50

Headline: 
Tornado Warning issued April 17 at 8:50PM CDT until April 17 at 9:15PM CDT by NWS Chicago IL
Event: 
Tornado Warning
Urgency: 
Immediate
Effective: 
April 17, 2026 - 6:50pm
Expires: 
April 17, 2026 - 7:15pm
Description: 
At 850 PM CDT, a severe squall line capable of producing both tornadoes and extensive straight line wind damage was located along a line extending from near Malta to near Hinckley to near Lake Holiday to near Serena, moving northeast at 55 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. These dangerous storms will be near... DeKalb, Sycamore, Sandwich, Cortland, Hinckley, and Maple Park around 855 PM CDT.
Instruction: 
TAKE COVER NOW! Move to a basement or an interior room on the lowest floor of a sturdy building. Avoid windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris. This line of thunderstorms is capable of producing tornadoes and widespread significant wind damage. Do not wait to see or hear the tornado. For your protection move to an interior room on the lowest floor of a building.
Area Description: 
De Kalb, IL; La Salle, IL
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov