Arkansas, Louisiana, Oklahoma, Texas Moderate Heat Advisory | Effective 08/18/2026 22:15

Headline: 
Heat Advisory issued August 19 at 12:15AM CDT until August 20 at 8:00PM CDT by NWS Shreveport LA
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
August 18, 2026 - 10:15pm
Expires: 
August 19, 2026 - 12:00pm
Description: 
* WHAT...Heat index values up to 110 degrees. * WHERE...Portions of south central and southwest Arkansas, north central and northwest Louisiana, southeast Oklahoma, and east and northeast Texas. * WHEN...Until 8 PM CDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. 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.
Area Description: 
Sevier; Howard; Little River; Hempstead; Nevada; Miller; Lafayette; Columbia; Union; Caddo; Bossier; Webster; Claiborne; Lincoln; Union; De Soto; Red River; Bienville; Jackson; Ouachita; Sabine; Natchitoches; Winn; Grant; Caldwell; La Salle; McCurtain; Red River; Bowie; Franklin; Titus; Camp; Morris; Cass; Wood; Upshur; Marion; Smith; Gregg; Harrison; Cherokee; Rusk; Panola; Nacogdoches; Shelby; Angelina; San Augustine; Sabine
Forcast Office: 
NWS Shreveport LA
Sender: 
w-nws.webmaster@noaa.gov