Arkansas, Mississippi, Tennessee Moderate Heat Advisory | Effective 08/18/2026 18:47

Headline: 
Heat Advisory issued August 18 at 8:47PM CDT until August 19 at 8:00PM CDT by NWS Memphis TN
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
August 18, 2026 - 6:47pm
Expires: 
August 19, 2026 - 9:00am
Description: 
* WHAT...Heat index values up to 110 degrees expected. * WHERE...Portions of East Arkansas, North Mississippi, and West Tennessee. * WHEN...From 11 AM to 8 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat 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.
Area Description: 
Craighead; Poinsett; Mississippi; Cross; Crittenden; St. Francis; DeSoto; Marshall; Benton; Tippah; Alcorn; Tate; Prentiss; Panola; Lafayette; Union; Pontotoc; Lee; Itawamba; Yalobusha; Calhoun; Chickasaw; Monroe; Lauderdale; Tipton; Haywood; Crockett; Madison; Chester; Shelby; Fayette; Hardeman; McNairy
Forcast Office: 
NWS Memphis TN
Sender: 
w-nws.webmaster@noaa.gov