Arkansas, Mississippi Moderate Heat Advisory | Effective 08/21/2026 02:37

Headline: 
Heat Advisory issued August 21 at 4:37AM CDT until August 21 at 8:00PM CDT by NWS Jackson MS
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
August 21, 2026 - 2:37am
Expires: 
August 21, 2026 - 11:00am
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 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. 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. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. 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