Louisiana Moderate Heat Advisory | Effective 06/21/2026 08:56

Headline: 
Heat Advisory issued June 21 at 10:56AM CDT until June 22 at 8:00PM CDT by NWS New Orleans LA
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
June 21, 2026 - 8:56am
Expires: 
June 21, 2026 - 11:00pm
Description: 
* WHAT...Heat index values up to 109 expected. * WHERE...A portion of southeast Louisiana. * WHEN...From 10 AM to 8 PM CDT Monday. * 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.
Area Description: 
St. John The Baptist; Upper St. Bernard; Southeast St. Tammany; Western Orleans; Eastern Orleans; Southwestern St. Tammany; Lower Tangipahoa; Southern Livingston; Upper Jefferson; Upper St. Charles; Central St. Charles
Forcast Office: 
NWS New Orleans LA
Sender: 
w-nws.webmaster@noaa.gov