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Heat Advisory — St. John The Baptist, LA, Upper St. Bernard, LA, Southeast St. Tammany, LA, Western Orleans, LA, Eastern Orleans, LA, Southwestern St. Tammany, LA, Lower Tangipahoa, LA, Southern Livingston, LA, Upper Jefferson, LA, Upper St. Charles, LA, Central St. Charles, LA
Issued
10:00 AM CDT · Tue, Jun 23 2026
Expires
8:00 PM CDT · Tue, Jun 23 2026
Issuing Office
NWS KLIX

Affected Areas

St. John The Baptist, LA Upper St. Bernard, LA Southeast St. Tammany, LA Western Orleans, LA Eastern Orleans, LA Southwestern St. Tammany, LA Lower Tangipahoa, LA Southern Livingston, LA Upper Jefferson, LA Upper St. Charles, LA Central St. Charles, LA

Official Bulletin

067
WWUS74 KLIX 221522
NPWLIX

URGENT - WEATHER MESSAGE
National Weather Service New Orleans LA
1022 AM CDT Mon Jun 22 2026

LAZ058-064-076>078-080-082-084-087-098-099-222330-
/O.NEW.KLIX.HT.Y.0004.260623T1500Z-260624T0100Z/
/O.CON.KLIX.HT.Y.0003.000000T0000Z-260623T0100Z/
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-
Including the cities of Akers, French Settlement, Springfield,
Mandeville, Madisonville, Montz, Killian, Bonnet Carre Spillway,
Whitehall, Westwego, Destrehan, Meraux, East New Orleans, Reserve,
Marrero, Metairie, Kenner, Harahan, Violet, Norco, Gretna,
Ponchatoula, Slidell, New Orleans, Laplace, and Chalmette
1022 AM CDT Mon Jun 22 2026

...HEAT ADVISORY IN EFFECT FROM 10 AM TO 8 PM CDT TUESDAY...
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...

* WHAT...Heat index values up to 110 degrees expected.

* WHERE...A portion of southeast Louisiana, mainly around Lake
  Pontchartrain.

* WHEN...Until 8 PM CDT this evening and again from 10 AM to 8 PM CDT
  Tuesday.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

&&

$$

MSW