Arkansas, Louisiana, Mississippi Moderate Heat Advisory | Effective 08/20/2026 01:49

Headline: 
Heat Advisory issued August 20 at 3:49AM CDT until August 20 at 8:00PM CDT by NWS Jackson MS
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
August 20, 2026 - 1:49am
Expires: 
August 20, 2026 - 10:00am
Description: 
* WHAT...Heat index values up to 110 degrees expected. * WHERE...Portions of southeast Arkansas, northeast Louisiana, and much of eastern Mississippi. * WHEN...From 11 AM this morning to 8 PM CDT this evening. * 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. Monitor the latest forecasts and warnings for updates.
Area Description: 
Ashley; Chicot; Morehouse; West Carroll; East Carroll; Richland; Madison; Franklin; Catahoula; Tensas; Concordia; Bolivar; Sunflower; Leflore; Grenada; Carroll; Montgomery; Webster; Clay; Lowndes; Choctaw; Oktibbeha; Washington; Humphreys; Holmes; Attala; Winston; Noxubee; Issaquena; Sharkey; Yazoo; Madison; Leake; Neshoba; Kemper; Warren; Hinds; Rankin; Scott; Newton; Lauderdale; Claiborne; Copiah; Simpson; Smith; Jasper; Clarke; Jefferson; Adams; Franklin; Lincoln; Lawrence; Jefferson Davis; Covington; Jones; Marion; Lamar; Forrest
Forcast Office: 
NWS Jackson MS
Sender: 
w-nws.webmaster@noaa.gov