Arkansas, Mississippi Moderate Heat Advisory | Effective 08/21/2026 17:05

Headline: 
Heat Advisory issued August 21 at 7:05PM CDT until August 21 at 8:00PM CDT by NWS Jackson MS
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
August 21, 2026 - 5:05pm
Expires: 
August 22, 2026 - 4:00am
Description: 
* WHAT...Heat index values of up to 110 degrees expected. * WHERE...In Arkansas, Ashley and Chicot Counties. In Mississippi, Holmes, Humphreys, Leflore, Bolivar, Sunflower, and Washington Counties. * WHEN...For the Heat Advisory today, until 8 PM CDT this evening. For the second Heat Advisory Saturday, from 11 AM to 8 PM CDT Saturday. * IMPACTS...Hot temperatures and high humidity may cause heat related illnesses.
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: 
Ashley; Chicot; Bolivar; Sunflower; Leflore; Washington; Humphreys; Holmes
Forcast Office: 
NWS Jackson MS
Sender: 
w-nws.webmaster@noaa.gov