⚠️ Extreme Heat Warning – Columbia; Union; Caddo; Bossier; Webster; Claiborne; Lincoln; Union; De Soto; Red River; Bienville; Jackson; Ouachita; Sabine; Natchitoches; Winn; Grant; Caldwell; La Salle; Wood; Upshur; Marion; Smith; Gregg; Harrison; Cherokee; Rusk; Panola; Nacogdoches; Shelby; Angelina; San Augustine; Sabine – Friday, August 21, 2026

Extreme Heat Warning issued August 21 at 12:29AM CDT until August 21 at 9:00PM CDT by NWS Shreveport LA

Details

* WHAT…Dangerously hot conditions with heat index values up to 114
degrees expected.

* WHERE…Portions of south central and southwest Arkansas, north
central and northwest Louisiana, and east and northeast Texas.

* WHEN…From 10 AM this morning to 9 PM CDT this evening.

* IMPACTS…Heat related illnesses increase significantly during
extreme heat and high humidity events.

Instructions

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

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.