Illinois Tornado Warning Extreme | Effective 04-17-2026 17:28

Headline: 
Tornado Warning issued April 17 at 7:28PM CDT until April 17 at 8:15PM CDT by NWS Chicago IL
Event: 
Tornado Warning
Urgency: 
Immediate
Effective: 
April 17, 2026 - 5:28pm
Expires: 
April 17, 2026 - 6:15pm
Description: 
TORLOT The National Weather Service in Chicago has issued a * Tornado Warning for... Northern McHenry County in northeastern Illinois... * Until 815 PM CDT. * At 728 PM CDT, a severe thunderstorm capable of producing a tornado was located near Capron, or near Poplar Grove, moving east at 45 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. * This dangerous storm will be near... Harvard around 735 PM CDT. Hebron around 745 PM CDT. Other locations in the path of this tornadic thunderstorm include Twin Lakes, Genoa City, Richmond and Spring Grove.
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.
SNM:AVISO DE TORNADO hasta las 8:15 PM CDT. Refugiese ahora. Consulte medios informativos
Servicio Nacional de Meteorologia: AVISO DE TORNADO en efecto hasta las 8:15 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: 
McHenry, IL
Forcast Office: 
NWS Chicago IL