Indiana Severe Severe Thunderstorm Warning | Effective 08/11/2026 09:41

Headline: 
Severe Thunderstorm Warning issued August 11 at 11:41AM CDT until August 11 at 12:00PM CDT by NWS Chicago IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
August 11, 2026 - 9:41am
Expires: 
August 11, 2026 - 10:00am
Description: 
At 1140 AM CDT, severe thunderstorms were located along a line extending from 7 miles south of Three Oaks to near La Porte to near Walkerton to Knox to near Medaryville, moving east at 65 mph. THESE ARE DESTRUCTIVE STORMS producing measured winds gusts over 80 mph. HAZARD...80 mph wind gusts. SOURCE...Radar indicated. 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... Portage, Valparaiso, Chesterton, Rensselaer, DeMotte, Hebron, Wheatfield, Lakes of the Four Seasons, South Haven, Porter, Roselawn, Kouts, Burns Harbor, Ogden Dunes, Town of Pines, Beverly Shores, Hanging Grove, Wheeler, Collegeville, Dune Acres, Stoutsburg, Fair Oaks, Dunns Bridge, Boone Grove, and Baileys Corner.
Instruction: 
Prepare immediately for damaging winds and deadly cloud to ground lightning. Seek shelter inside a well-built structure. Stay away from windows.
Area Description: 
Jasper, IN; Newton, IN; Porter, IN
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov