Arkansas, Louisiana, Oklahoma, Texas Severe Extreme Heat Warning | Effective 07/20/2026 20:20

Headline: 
Extreme Heat Warning issued July 20 at 10:20PM CDT until July 21 at 8:00PM CDT by NWS Shreveport LA
Event: 
Extreme Heat Warning
Urgency: 
Expected
Effective: 
July 20, 2026 - 8:20pm
Expires: 
July 21, 2026 - 6:00pm
Description: 
* WHAT...Dangerously hot conditions with heat index values near 110 to 115 expected. * WHERE...Portions of south central and southwest Arkansas, north central and northwest Louisiana, southeast Oklahoma, and northeast Texas. * WHEN...From 10 AM to 8 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
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.
Area Description: 
Sevier; Howard; Little River; Hempstead; Nevada; Miller; Lafayette; Columbia; Union; Claiborne; Lincoln; Union; Jackson; Ouachita; Winn; Grant; Caldwell; La Salle; McCurtain; Red River; Bowie
Forcast Office: 
NWS Shreveport LA