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Extreme Heat Warning — Pointe Coupee, LA, West Feliciana, LA, East Feliciana, LA, St. Helena, LA, Washington, LA, Iberville, LA, West Baton Rouge, LA, East Baton Rouge, LA, Assumption, LA, St. James, LA, St. John The Baptist, LA, Upper St. Bernard, LA, Lower St. Bernard, LA, Northern Tangipahoa, LA, Southeast St. Tammany, LA, Western Orleans, LA, Eastern Orleans, LA, Northern St. Tammany, LA, Southwestern St. Tammany, LA, Central Tangipahoa, LA, Lower Tangipahoa, LA, Northern Livingston, LA, Southern Livingston, LA, Western Ascension, LA, Eastern Ascension, LA, Upper Jefferson, LA, Upper Plaquemines, LA, Central Plaquemines, LA, Lower Plaquemines, LA, Central Jefferson, LA, Coastal Jefferson, LA, Upper Lafourche, LA, Lower Lafourche, LA, Upper Terrebonne, LA, Lower Terrebonne, LA, Upper St. Charles, LA, Central St. Charles, LA, Lower St. Charles, LA, Wilkinson, MS, Amite, MS, Pike, MS, Walthall, MS, Pearl River, MS, Northern Hancock, MS, Northern Harrison, MS, Northern Jackson, MS, Southern Hancock, MS, Southern Harrison, MS, Southern Jackson, MS
Issued
11:00 AM CDT · lun., août 17 2026
Expires
8:00 PM CDT · lun., août 17 2026
Issuing Office
NWS KLIX

Affected Areas

Pointe Coupee, LA West Feliciana, LA East Feliciana, LA St. Helena, LA Washington, LA Iberville, LA West Baton Rouge, LA East Baton Rouge, LA Assumption, LA St. James, LA St. John The Baptist, LA Upper St. Bernard, LA Lower St. Bernard, LA Northern Tangipahoa, LA Southeast St. Tammany, LA Western Orleans, LA Eastern Orleans, LA Northern St. Tammany, LA Southwestern St. Tammany, LA Central Tangipahoa, LA Lower Tangipahoa, LA Northern Livingston, LA Southern Livingston, LA Western Ascension, LA Eastern Ascension, LA Upper Jefferson, LA Upper Plaquemines, LA Central Plaquemines, LA Lower Plaquemines, LA Central Jefferson, LA Coastal Jefferson, LA Upper Lafourche, LA Lower Lafourche, LA Upper Terrebonne, LA Lower Terrebonne, LA Upper St. Charles, LA Central St. Charles, LA Lower St. Charles, LA Wilkinson, MS Amite, MS Pike, MS Walthall, MS Pearl River, MS Northern Hancock, MS Northern Harrison, MS Northern Jackson, MS Southern Hancock, MS Southern Harrison, MS Southern Jackson, MS

Official Bulletin

* WHAT...For the Extreme Heat Warnings, dangerously hot conditions
with heat index values up to 115 expected.

* WHERE...All of southeast Louisiana and southern Mississippi.

* WHEN...For today's ongoing Extreme Heat Warning, until 8 PM CDT
this evening. For the Extreme Heat Warning on Monday, from 11 AM to
8 PM CDT Monday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.

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.