National Weather Service United States Department of Commerce
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Last Map Update: Mon, Sep 7, 2026 at 8:34:39 am CDT

A few strong to severe thunderstorms are possible across southeast Louisiana and southern Mississippi this Labor Day afternoon and evening. Isolated damaging wind gusts of 60 mph or greater are the main threat, with small hail also possible. If your holiday plans include time outdoors, stay weather aware and have a nearby indoor backup plan in case storms develop.
Hot and humid conditions are expected this Labor Day, with peak heat index values of 108 to 113 degrees across much of southeast Louisiana and southern Mississippi. A Heat Advisory is in effect from 11 AM to 7 PM. If your holiday plans include time outdoors, drink plenty of water, take frequent breaks in the shade or air conditioning, and limit strenuous activity during the hottest part of the day.
Hot and humid conditions will continue through the week, with daily chances for showers and thunderstorms. The greatest coverage of storms is expected Tuesday through Thursday, while heat index values remain near or above 100 degrees on most days. Keep an eye on the forecast if you have outdoor plans and be prepared for locally heavy rain and lightning.

 


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 Current Weather Observations...
Location Time
(CDT)
Weather Vsby.
(SM)
Temp.
(ºF)
Dewpt.
(ºF)
Hum.
(%)
Wind
(mph)
Wind Chill / Heat Index
(ºF)
Pres.
(in)
Baton Rouge LA07:53Clear10807790CALM-29.94
Biloxi MS07:55Lightning Observed10827680NW 3-29.88
Gulfport MS07:53Clear10807790NW 7-29.91
Hammond LA08:15Overcast10807894CALM-29.94
Houma LA07:47Clear7807788WNW 3-29.94
McComb MS07:53Clear10797690CALM-29.94
New Orleans LA07:53Cumulonimbus Clouds Observed10827784W 6-29.93
Slidell La08:20Thunder10807790CALM-29.93