Headline:
Severe Thunderstorm Warning issued August 11 at 10:40AM CDT until August 11 at 11:15AM CDT by NWS Chicago IL
Event:
Severe Thunderstorm Warning
Urgency:
Immediate
Effective:
August 11, 2026 - 8:40am
Expires:
August 11, 2026 - 9:15am
Description:
At 1038 AM CDT, severe thunderstorms were located along a line
extending from Glen Ellyn to Lockport to near Manhattan, moving east
at 60 mph. This line has a history of producing extensive wind
damage.
THESE ARE DESTRUCTIVE STORMS FOR CENTRAL AND SOUTHERN PORTIONS OF
THE CHICAGO METROPOLITAN AREA.
HAZARD...80 mph wind gusts.
SOURCE...Trained weather spotters. Numerous reports of 80 to 85 mph
winds.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be heavily damaged. Expect
considerable damage to roofs, windows, and vehicles.
Extensive tree damage and power outages are likely.
Locations impacted include...
Orland Park, Tinley Park, Downers Grove, Oak Forest, New Lenox,
Homer Glen, Brookfield, Mokena, Frankfort, Palos Hills, Chicago,
Cicero, Oak Lawn, Berwyn, Midway Airport, South Lawndale, Burbank,
Blue Island, Park Forest, Homewood, Chicago Heights, Roseland,
Chicago Lawn, Bridgeport, Englewood, Harvey, Dolton, Steger,
Brighton Park, Chatham, Hammond, Calumet City, South Shore,
Lansing, Munster, Hyde Park and South Deering.
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.
This is an EXTREMELY DANGEROUS SITUATION with tornado like wind
speeds expected. Mobile homes and high profile vehicles are
especially susceptible to winds of this magnitude and may be
overturned. For your protection move to an interior room on the
lowest floor of a building. These storms have the potential to cause
serious injury and significant property damage.
Area Description:
Cook, IL; DuPage, IL; Will, IL
Forcast Office:
NWS Chicago IL
Sender:
w-nws.webmaster@noaa.gov