National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Slidell, Slidell Airport (KASD)

Lat: 30.34°NLon: 89.82°WElev: 30ft.

A Few Clouds

71°F

22°C

Humidity 76%
Wind Speed Vrbl 3 mph
Barometer 30.21 in (1022.9 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 25 Dec 11:53 am CST
Extended Forecast for

Slidell LA

Dense Fog Advisory December 25, 10:00pm until December 26, 10:00am
Dense Fog Advisory December 26, 10:00pm until December 27, 10:00am
Click here for hazard details and duration
Dense Fog Advisory
Dense Fog Advisory

  • Christmas Day

    Christmas Day: Mostly sunny, with a high near 71. Southwest wind around 5 mph becoming calm.

    High: 71 °F

    Mostly Sunny

  • Tonight

    Tonight: Areas of dense fog before 11pm, then widespread dense fog after midnight. Otherwise, increasing clouds, with a low around 57. Calm wind.

    Low: 57 °F

    Dense Fog

  • Friday

    Friday: Widespread dense fog, mainly before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 75. Calm wind becoming southwest around 5 mph in the morning.

    High: 75 °F

    Dense Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59. Southwest wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59. South wind around 5 mph becoming calm.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 77. Light south wind increasing to 5 to 10 mph in the morning.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of showers after midnight. Mostly cloudy, with a low around 55. South wind around 5 mph becoming southwest after midnight.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms before noon, then a slight chance of showers. Mostly cloudy, with a high near 68. West wind 5 to 15 mph becoming north in the afternoon.

    High: 68 °F

    Chance
    Showers

Detailed Forecast

Christmas Day
Mostly sunny, with a high near 71. Southwest wind around 5 mph becoming calm.
Tonight
Areas of dense fog before 11pm, then widespread dense fog after midnight. Otherwise, increasing clouds, with a low around 57. Calm wind.
Friday
Widespread dense fog, mainly before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 75. Calm wind becoming southwest around 5 mph in the morning.
Friday Night
Partly cloudy, with a low around 59. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 76. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 59. South wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 77. Light south wind increasing to 5 to 10 mph in the morning.
Sunday Night
A 50 percent chance of showers after midnight. Mostly cloudy, with a low around 55. South wind around 5 mph becoming southwest after midnight.
Monday
A chance of showers and thunderstorms before noon, then a slight chance of showers. Mostly cloudy, with a high near 68. West wind 5 to 15 mph becoming north in the afternoon.
Monday Night
Partly cloudy, with a low around 31. North wind around 10 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 49. North wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Widespread frost. Otherwise, partly cloudy, with a low around 29. North wind around 5 mph becoming calm in the evening.
Wednesday
Widespread frost. Otherwise, mostly sunny, with a high near 53. Calm wind becoming northwest around 5 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Slidell LA
 30.28°N 89.79°W
Last Update:
11:33 am CST Dec 25, 2025
Forecast Valid:
12pm CST Dec 25, 2025-6pm CST Dec 31, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation