08/11/2026
**TORNADO WARNING IN EFFECT**SEEK SHELTER IMMEDIATELY***
Issued: 10:36 AM Aug. 11, 2026 β National Weather Service
The National Weather Service in Chicago has issued a
* Tornado Warning for...
Central Will County in northeastern Illinois...
Southeastern Cook County in northeastern Illinois...
* Until 1115 AM CDT.
* At 1036 AM CDT, severe thunderstorms capable of producing both
tornadoes and extensive straight line wind damage were located over
Lockport, moving east at 55 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.
* These dangerous storms will be near...
Orland Park and Homer Glen around 1040 AM CDT.
Tinley Park, Mokena, and Frankfort around 1045 AM CDT.
Oak Forest, Matteson, Country Club Hills, and Frankfort Square
around 1050 AM CDT.
Chicago Heights, Park Forest, Homewood, Hazel Crest, Richton Park,
Markham, Flossmoor, Glenwood, and Olympia Fields around 1055 AM
CDT.
Other locations in the path of this tornadic thunderstorm include
Lansing, Harvey, Steger, Sauk Village, Lynwood, Ford Heights and
Thornton.
OEMC zones...TORNADO WARNING.
8...9...10...11...and 12.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
TORNADO...RADAR INDICATED;
MAX HAIL SIZE...0.00 IN