Illinois Tornado Warning Extreme | Effective 04-17-2026 15:07

Headline: 
Tornado Warning issued April 17 at 5:07PM CDT until April 17 at 6:15PM CDT by NWS Chicago IL
Event: 
Tornado Warning
Urgency: 
Immediate
Effective: 
April 17, 2026 - 3:07pm
Expires: 
April 17, 2026 - 4:15pm
Description: 
TORLOT The National Weather Service in Chicago has issued a * Tornado Warning for... Northeastern Winnebago County in north central Illinois... Northern Boone County in north central Illinois... * Until 615 PM CDT. * At 507 PM CDT, a confirmed tornado was located over Rockton, moving east at 35 mph. HAZARD...Damaging tornado and baseball size hail. SOURCE...Weather spotters confirmed tornado. 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. * The tornado will be near... Machesney Park, Roscoe, South Beloit, and Rockton around 515 PM CDT.
Instruction: 
To repeat, a tornado is on the ground. 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.
SNM:AVISO DE TORNADO hasta las 6:15 PM CDT. Refugiese ahora. Consulte medios informativos
Servicio Nacional de Meteorologia: AVISO DE TORNADO en efecto hasta las 6:15 PM CDT. Busque refugio ahora en un sotano o en el interior de un cuarto en el nivel mas bajo de un edificio seguro. Si esta al aire libre, en una casa movil, o en un vehiculo, debe ir al edificio seguro mas cercano y protegerse de proyectiles. Consulte los medios informativos.
Area Description: 
Boone, IL; Winnebago, IL
Forcast Office: 
NWS Chicago IL