Arkansas, Louisiana, Mississippi Severe Extreme Heat Warning | Effective 07/01/2026 08:45

Headline: 
Extreme Heat Warning issued July 1 at 10:45AM CDT until July 1 at 9:00PM CDT by NWS Jackson MS
Event: 
Extreme Heat Warning
Urgency: 
Expected
Effective: 
July 1, 2026 - 8:45am
Expires: 
July 1, 2026 - 4:45pm
Description: 
* WHAT...Dangerously hot conditions with heat index values of 110 or greater expected. * WHERE...Portions of southeast Arkansas, northeast Louisiana, and central, north central, northwest, southwest, and west central Mississippi. * WHEN...Until 9 PM CDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...The threat for dangerous heat continues through the end of this week. Additional heat advisories may be needed.
Instruction: 
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. 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: 
Chicot; East Carroll; Madison; Tensas; Bolivar; Sunflower; Leflore; Washington; Humphreys; Holmes; Issaquena; Sharkey; Yazoo; Madison; Warren; Hinds; Rankin; Claiborne; Copiah; Simpson; Jefferson
Forcast Office: 
NWS Jackson MS