Special Weather Statement issued September 21 at 6:23AM CDT by NWS Brownsville TX

**Special Weather Statement issued September 21 at 6:23AM CDT by NWS Brownsville TX**

The combination of hot temperatures and elevated humidity levels will produce heat index values between 108 and 111 degrees for several hours this afternoon into this evening. A few locations may briefly experience heat index values above 111 degrees.

If you plan to spend time outside, drink plenty of water, wear light weight and light colored clothing and take frequent breaks from the heat. Young children and pets should never be left unattended in vehicles.

**Alert Details:**

- **Severity:** Moderate

- **Urgency:** Expected

- **Issued by:** NWS Brownsville TX

- **Effective:** Sep 21, 2026 6:23 AM UTC

- **Expires:** Sep 21, 2026 7:00 PM UTC

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