Heat Advisory issued September 17 at 10:05AM CDT until September 17 at 7:00PM CDT by NWS Lincoln IL

**Heat Advisory issued September 17 at 10:05AM CDT until September 17 at 7:00PM CDT by NWS Lincoln IL**

* WHAT...Heat index values up to 103.

* WHERE...Portions of central, east central, southeast, and west central Illinois.

* WHEN...Until 7 PM CDT this evening.

* 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 Lincoln IL

- **Effective:** Sep 17, 2026 10:05 AM UTC

- **Expires:** Sep 17, 2026 7:00 PM UTC

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