Heavy Rain Return to the Southwest U.S.; Potential Atlantic Tropical System Interaction

Heavy to excessive rainfall from monsoon thunderstorms may bring isolated flash and urban flooding to the Desert Southwest into Sunday. The tropical wave (AL94) continues to bring heavy rainfall to Puerto Rico and the US Virgin Islands. The close proximity of Tropical Storm Humberto and AL94 could lead to interaction between them, but details of their track and intensity forecasts remain uncertain Read More >

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Last Map Update: Thu, Sep 25, 2025 at 5:14:35 pm CDT

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There are no watches, warnings, or advisories at this time.

Short-Term Forecast

Tropical Weather Outlook

Showers and a few thunderstorms are possible Thursday morning, then a much drier pattern takes over Friday and Saturday. Lows cool from the low to mid 70s Thursday to the low 60s to low 70s this weekend, with highs in the mid to upper 80s. Peak heat index values run mid 80s to mid 90s. Rain chances: 50 to 70% Thursday morning, 5 to 10% Friday, and near 0 to 5% Saturday.

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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 LA	16:53	Clear	10	82	70	66	SW 5	-	29.90
Biloxi MS	17:00	Light Rain \ Thunder In The Vicinity \ Cumulonimbus Clouds, Lightning Observed	10	75	71	88	CALM	-	29.86
Gulfport MS	16:53	Light Rain \ Lightning Observed	10	77	75	93	CALM	-	29.89
Hammond LA	16:55	Mostly Cloudy	10	82	71	70	W 3	-	29.90
Houma LA	16:47	Partly Cloudy	7	78	73	83	CALM	-	29.92
McComb MS	16:53	Clear	10	83	69	63	WSW 6	-	29.90
New Orleans LA	16:53	Mostly Cloudy	10	81	74	79	SW 5	-	29.90
Slidell La	16:53	Partly Cloudy	10	81	73	76	SW 5	-	29.90

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Heavy Rain Return to the Southwest U.S.; Potential Atlantic Tropical System Interaction

Weather Forecast Office New Orleans/Baton Rouge