Severe Thunderstorm Warning Issued for Grant, Blackford, and Surrounding Indiana Counties

Alert Details

The National Weather Service in Northern Indiana has issued a Severe Thunderstorm Warning (SVRIWX) for portions of central, northeastern, and east central Indiana. The alert was issued at 11:59 PM EDT on March 15, 2026, following radar-indicated severe thunderstorms moving northeast at 50 mph.

Affected Areas

The warning covers the following geographic regions:

• Grant County in central Indiana
• Blackford County in east central Indiana
• Southeastern Huntington County in northeastern Indiana
• Western Wells County in northeastern Indiana
• Northwestern Jay County in east central Indiana

Specific locations impacted include Marion, Hartford City, Gas City, Upland, Fairmount, Dunkirk, Montpelier, Jonesboro, Markle, Van Buren, Matthews, Warren, Fowlerton, Shamrock Lakes, Mcnatts, Landess, Liberty Center, Mount Zion, Mill Grove, and Herbst. This also includes Interstate 69 in Indiana between mile markers 253 and 289.

What You Should Do

Residents in the warning area should move to an interior room on the lowest floor of a sturdy building for protection. Remain alert for the possible development of tornadoes, which can form quickly during severe thunderstorms. If a tornado is spotted, seek shelter immediately in a basement or a small central room.

Expected Conditions

• Wind: Gusts up to 60 mph are expected, which may cause damage to roofs, siding, and trees.
• Hail: Potential for hail up to 0.75 inches in size.
• Tornado Threat: Tornado development is possible.
• Storm Movement: As of 11:59 PM, storms were located along a line extending from 6 miles northeast of Windfall to near Alexandria, moving northeast at 50 mph.

Timeline

The warning is effective immediately as of 11:59 PM EDT, Sunday, March 15. The alert is scheduled to expire at 12:30 AM EDT on Monday, March 16, 2026.