HEAT ADVISORY
HEAT ADVISORY ISSUED JULY 21 AT 12:32PM CDT UNTIL JULY 21 AT 7:00PM CDT
Effective: 2026-07-21 12:32:00
Expires: 2026-07-21 19:00:00
Issued by: NWS New Orleans LA
Alert Text
* WHAT...FOR THE HEAT ADVISORY, HEAT INDEX VALUES UP TO 113. FOR THEEXTREME HEAT WARNING, DANGEROUSLY HOT CONDITIONS WITH HEAT INDEX VALUES UP TO 115 EXPECTED.
* WHERE...PORTIONS OF SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI.
* WHEN...FOR THE HEAT ADVISORY, UNTIL 7 PM CDT THIS EVENING. FOR THE EXTREME HEAT WARNING, FROM 10 AM TO 8 PM CDT WEDNESDAY.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING EXTREME HEAT AND HIGH HUMIDITY EVENTS. HOT TEMPERATURES AND HIGH HUMIDITY MAY CAUSE HEAT ILLNESSES.
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Target Area
POINTE COUPEE, WEST FELICIANA, EAST FELICIANA, ST. HELENA, WASHINGTON, IBERVILLE, WEST BATON ROUGE, EAST BATON ROUGE, ASSUMPTION, ST. JAMES, ST. JOHN THE BAPTIST, UPPER ST. BERNARD, LOWER ST. BERNARD, NORTHERN TANGIPAHOA, SOUTHEAST ST. TAMMANY, WESTERN ORLEANS, EASTERN ORLEANS, NORTHERN ST. TAMMANY, SOUTHWESTERN ST. TAMMANY, CENTRAL TANGIPAHOA, LOWER TANGIPAHOA, NORTHERN LIVINGSTON, SOUTHERN LIVINGSTON, WESTERN ASCENSION, EASTERN ASCENSION, UPPER JEFFERSON, UPPER PLAQUEMINES, CENTRAL PLAQUEMINES, LOWER PLAQUEMINES, CENTRAL JEFFERSON, COASTAL JEFFERSON, UPPER LAFOURCHE, LOWER LAFOURCHE, UPPER TERREBONNE, LOWER TERREBONNE, UPPER ST. CHARLES, CENTRAL ST. CHARLES, LOWER ST. CHARLES, WILKINSON, AMITE, PIKE, WALTHALL, PEARL RIVER
