Heat Advisory issued September 18 at 7:56PM EDT until September 19 at 8:00PM EDT by NWS Louisville KY

**Heat Advisory issued September 18 at 7:56PM EDT until September 19 at 8:00PM EDT by NWS Louisville KY**

* WHAT...Heat index values up to 105 expected.

* WHERE...Portions of Indiana and north central, northwest, and south central Kentucky.

* WHEN....

* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

**What You Should Do:**

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

**Alert Details:**

- **Severity:** Moderate

- **Urgency:** Expected

- **Issued by:** NWS Louisville KY

- **Effective:** Sep 18, 2026 7:56 PM UTC

- **Expires:** Sep 19, 2026 8:00 AM UTC

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