Arkansas, Mississippi Moderate Heat Advisory | Effective 08/20/2026 18:52

Headline: 
Heat Advisory issued August 20 at 8:52PM CDT until August 21 at 8:00PM CDT by NWS Jackson MS
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
August 20, 2026 - 6:52pm
Expires: 
August 21, 2026 - 3:00am
Description: 
* WHAT...Heat index values in excess of 105 degrees expected and up to 110 degrees possible. * WHERE...Portions of southeast Arkansas, northeast Louisiana, and much of eastern Mississippi. * WHEN...From 11 AM to 8 PM CDT Friday. * 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; Bolivar; Sunflower; Leflore; Grenada; Carroll; Montgomery; Webster; Clay; Lowndes; Choctaw; Oktibbeha; Washington; Humphreys; Holmes; Attala; Winston; Noxubee; Leake; Neshoba; Kemper; Scott; Newton; Lauderdale; Smith; Jasper; Clarke; Covington; Jones; Lamar; Forrest
Forcast Office: 
NWS Jackson MS
Sender: 
w-nws.webmaster@noaa.gov