Indiana Severe Thunderstorm Warning | Effective 04/17/2026 20:57

Headline: 
Severe Thunderstorm Warning issued April 17 at 10:57PM CDT until April 17 at 11:15PM CDT by NWS Chicago IL
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
April 17, 2026 - 8:57pm
Expires: 
April 17, 2026 - 9:15pm
Description: 
At 1056 PM CDT/1156 PM EDT/, severe thunderstorms were located along a line extending from 6 miles northwest of Porter to near Hebron to near Hanging Grove, moving northeast at 65 mph. This line of storms has a history of producing winds of 60 to 70 mph. HAZARD...70 mph wind gusts. SOURCE...Law enforcement. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... Gary, Portage, Merrillville, Valparaiso, Hobart, Chesterton, Rensselaer, DeMotte, Hebron, Fowler, Otterbein, Remington, Wheatfield, Lake Station, Lakes of the Four Seasons, South Haven, Porter, Winfield, Roselawn, New Chicago, Kouts, Oxford, Burns Harbor, Ogden Dunes, and Boswell.
Instruction: 
A Tornado Watch remains in effect until midnight CDT/100 AM EDT/ for northwestern Indiana. 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. For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Benton, IN; Jasper, IN; Lake, IN; Porter, IN
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov