Illinois Severe Severe Thunderstorm Warning | Effective 08/11/2026 07:32

Headline: 
Severe Thunderstorm Warning issued August 11 at 9:32AM CDT until August 11 at 10:15AM CDT by NWS Chicago IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
August 11, 2026 - 7:32am
Expires: 
August 11, 2026 - 8:15am
Description: 
At 931 AM CDT, severe thunderstorms were located along a line extending from 6 miles southwest of Rockton to Davis Junction to 6 miles west of Paw Paw, moving east at 55 mph. This line of storms has a history of producing wind damage. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. These severe storms will be near... Cherry Valley around 935 AM CDT. Belvidere, Loves Park, Shabbona, Candlewick Lake, Kirkland, Malta, and Timberlane around 940 AM CDT. Other locations in the path of these severe thunderstorms include DeKalb, Sycamore, Poplar Grove, Genoa, Waterman, Kingston, Leland, Sandwich, Lake Holiday, Cortland, Hinckley, Somonauk, Capron and Maple Park.
Instruction: 
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. Prepare immediately for damaging winds and deadly cloud to ground lightning. Seek shelter inside a well-built structure. Stay away from windows.
Area Description: 
Boone, IL; De Kalb, IL; La Salle, IL
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov