Severe Thunderstorm Warning issued September 17 at 8:33PM EDT until September 17 at 9:00PM EDT by NWS Northern Indiana

**Severe Thunderstorm Warning issued September 17 at 8:33PM EDT until September 17 at 9:00PM EDT by NWS Northern Indiana**

At 833 PM EDT, a severe thunderstorm was located over Brookston, or 11 miles southwest of Monticello, moving southeast at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include... Brookston, Chalmers, and Badger Grove.

This includes Interstate 65 between mile markers 185 and 193.

**What You Should Do:**

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.

**Alert Details:**

- **Severity:** Severe

- **Urgency:** Immediate

- **Issued by:** NWS Northern Indiana

- **Effective:** Sep 17, 2026 8:33 PM UTC

- **Expires:** Sep 17, 2026 9:00 PM UTC

*This alert was automatically distributed from the National Weather Service via the IPAWS All-Hazards Information Feed.*