Illinois, Indiana Severe Severe Thunderstorm Warning | Effective 07/03/2026 12:40

Headline: 
Severe Thunderstorm Warning issued July 3 at 2:40PM CDT until July 3 at 4:00PM CDT by NWS Chicago IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
July 3, 2026 - 12:40pm
Expires: 
July 3, 2026 - 2:00pm
Description: 
SVRLOT The National Weather Service in Chicago has issued a * Severe Thunderstorm Warning for... Southeastern Will County in northeastern Illinois... Porter County in northwestern Indiana... Lake County in northwestern Indiana... * Until 400 PM CDT. * At 240 PM CDT, a severe thunderstorm was located over Olympia Fields, or over Matteson, moving east at 45 mph. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. * Locations impacted include... Hammond, Gary, Portage, Merrillville, Valparaiso, East Chicago, Schererville, Hobart, Lansing, Crown Point, Highland, Munster, Park Forest, Chesterton, Cedar Lake, Steger, Lowell, Peotone, Hebron, Griffith, Dyer, St. John, Lake Station, Lynwood, and Crete.
Instruction: 
For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Will, IL; Lake, IN; Porter, IN
Forcast Office: 
NWS Chicago IL