Illinois Extreme Tornado Warning | Effective 08-21-2026 18:09

Headline: 
Tornado Warning issued August 21 at 8:09PM CDT until August 21 at 8:30PM CDT by NWS Quad Cities IA IL
Event: 
Tornado Warning
Urgency: 
Immediate
Effective: 
August 21, 2026 - 6:09pm
Expires: 
August 21, 2026 - 6:30pm
Description: 
TORDVN The National Weather Service in the Quad Cities has issued a * Tornado Warning for... Northeastern Putnam County in north central Illinois... * Until 830 PM CDT. * At 804 PM CDT, a severe thunderstorm capable of producing a tornado was located over Mark, or over Hennepin, moving east at 15 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... Granville and Mark around 810 PM CDT. This also includes Donnelley DePue State Fish and Wildlife Area.
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. Tornadoes are extremely difficult to see and confirm at night. Do not wait to see or hear the tornado. TAKE COVER NOW!
SNM:AVISO DE TORNADO hasta las 8:30 PM CDT. Refugiese ahora. Consulte medios informativos
Servicio Nacional de Meteorologia: AVISO DE TORNADO en efecto hasta las 8:30 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: 
Putnam, IL
Forcast Office: 
NWS Quad Cities IA IL
Sender: 
w-nws.webmaster@noaa.gov