National Weather Service United States Department of Commerce
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Last Map Update: Wed, May 20, 2026 at 4:34:18 am CDT

Overview: There is a threat level 2/4 for most of the area today. Expecting numerous scattered shower/storms to develop early this afternoon, lasting through the evening and early overnight hours. Storms today will be capable of dumping intense rainfall rates in short periods resulting in flash flooding. Additionally, storms could train locally over the same areas resulting in locally higher rainfall totals. Exact forecast rainfall totals will be challenging today, as totals could vary significantly depending on where storms train over the same areas resulting in flash flooding.
Sneak Peek: Memorial Day Weekend. Key Messages: Confidence is higher than normal that we’ll be in a summertime pattern this upcoming weekend, with high chances (60-80% chance) of primarily afternoon/evening showers & storms each day. NOT anticipating all-day washouts each day, with dry and wet periods expected. Mainly dry nights and early morning hours. No excessive heat concerns with highs generally in the mid 80’s each day. Keep this in mind if you have outdoor plans! Have a backup plan, and a place to go (safely indoors) in case you hear lightning and if traveling, watch for flooded roadways!

 


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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 LA04:11Thunder In The Vicinity \ Lightning Observed10757496WNW 8-30.03
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McComb MS04:03Overcast10747293CALM-30.06
New Orleans LA03:53Mostly Cloudy10777491S 6-30.05
Slidell La04:03Partly Cloudy10727196CALM-30.04