Louisiana, Mississippi Moderate Heat Advisory | Effective 07/21/2026 05:06

Headline: 
Heat Advisory issued July 21 at 7:06AM CDT until July 21 at 10:00AM CDT by NWS Jackson MS
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
July 21, 2026 - 5:06am
Expires: 
July 21, 2026 - 2:00pm
Description: 
* WHAT...Dangerously hot conditions with heat index values in excess of 110 expected. * WHERE...Portions of northeast Louisiana and central, southwest, and west central Mississippi. * WHEN...For the Heat Advisory, until 10 AM CDT this morning. For the Extreme Heat Warning, until 9 PM CDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. 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. Stay cool, stay hydrated, stay informed. Monitor the latest forecasts and warnings for updates.
Area Description: 
West Carroll; East Carroll; Madison; Catahoula; Tensas; Concordia; Holmes; Issaquena; Sharkey; Yazoo; Madison; Warren; Hinds; Rankin; Claiborne; Copiah; Simpson; Jefferson; Adams
Forcast Office: 
NWS Jackson MS