Headline:
Extreme Heat Warning issued July 21 at 12:32PM CDT until July 22 at 8:00PM CDT by NWS New Orleans LA
Event:
Extreme Heat Warning
Urgency:
Expected
Effective:
July 21, 2026 - 10:32am
Expires:
July 22, 2026 - 12:45am
Description:
* WHAT...For the Heat Advisory, heat index values up to 113. For the
Extreme 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.
Instruction:
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
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.
Area Description:
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
Forcast Office:
NWS New Orleans LA
Sender: