Louisiana, Mississippi Moderate Heat Advisory | Effective 07/20/2026 10:26

Headline: 
Heat Advisory issued July 20 at 12:26PM CDT until July 21 at 9:00PM CDT by NWS Jackson MS
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
July 20, 2026 - 10:26am
Expires: 
July 20, 2026 - 7:15pm
Description: 
* WHAT...Heat index values up to 110F degrees during the daytime, with limited heat relief overnight. * WHERE...Portions of northeast Louisiana and central, east central, south central, southeast, and southwest Mississippi. * WHEN...Until 9 PM CDT Tuesday. * 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. 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. 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.
Area Description: 
Catahoula; Concordia; Scott; Smith; Jasper; Clarke; Adams; Franklin; Lincoln; Lawrence; Jefferson Davis; Covington; Jones; Marion; Lamar; Forrest
Forcast Office: 
NWS Jackson MS