Headline:
Severe Thunderstorm Warning issued July 27 at 11:57AM CDT until July 27 at 1:00PM CDT by NWS Chicago IL
Event:
Severe Thunderstorm Warning
Urgency:
Immediate
Effective:
July 27, 2026 - 9:57am
Expires:
July 27, 2026 - 11:00am
Description:
At 1157 AM CDT, a large severe thunderstorm was located over
Addison, moving southeast at 20 mph.
HAZARD...Golf ball size hail and 70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
Locations impacted include...
Chicago, Aurora, Naperville, Cicero, Schaumburg, Bolingbrook, Des
Plaines, Orland Park, Oak Lawn, Berwyn, Wheaton, Oak Park, Downers
Grove, Elmhurst, Lombard, Bartlett, Ohare Airport, Streamwood, Carol
Stream, Romeoville, Plainfield, Hanover Park, Park Ridge, Calumet
City, and Addison.
Instruction:
For your protection move to an interior room on the lowest floor of a
building.
Area Description:
Cook, IL; DuPage, IL; Will, IL
Forcast Office:
NWS Chicago IL
Sender: