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.

Fog/Mist

67°F

19°C

Humidity 100%
Wind Speed Calm
Barometer 30.04 in (1017.1 mb)
Dewpoint 67°F (19°C)
Visibility 6.00 mi
Last update 27 Dec 4:53 am CST
Extended Forecast for

Slidell LA

Dense Fog Advisory December 27, 05:39am until December 27, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory December 27, 05:39am until December 27, 10:00am

    NOW until 10:00am Sat

    Dense Fog Advisory

  • Today

    High: 76 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Widespread dense fog, mainly between 2am and 5am. Otherwise, mostly cloudy, with a low around 59. South wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Cloudy
    then Dense
    Fog

  • Sunday

    Sunday: Areas of fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 77. Light south wind increasing to 5 to 10 mph in the morning.

    High: 77 °F

    Areas Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 49. South wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

    Low: 49 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: A 30 percent chance of showers before noon. Mostly cloudy, with a high near 64. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 64 °F

    Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 31. North wind around 10 mph, with gusts as high as 25 mph.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50. North wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Widespread frost after midnight. Otherwise, mostly clear, with a low around 27. North wind around 5 mph becoming calm in the evening.

    Low: 27 °F

    Mostly Clear
    then Frost

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, partly sunny, with a high near 76. Calm wind becoming southwest around 5 mph in the morning.
Tonight
Widespread dense fog, mainly between 2am and 5am. Otherwise, mostly cloudy, with a low around 59. South wind around 5 mph becoming calm in the evening.
Sunday
Areas of fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 77. Light south wind increasing to 5 to 10 mph in the morning.
Sunday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 49. South wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers before noon. Mostly cloudy, with a high near 64. North wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 31. North wind around 10 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 50. North wind 5 to 10 mph, with gusts as high as 25 mph.
Tuesday Night
Widespread frost after midnight. Otherwise, mostly clear, with a low around 27. North wind around 5 mph becoming calm in the evening.
Wednesday
Widespread frost before 8am. Otherwise, mostly sunny, with a high near 54. Calm wind becoming west around 5 mph.
Wednesday Night
Areas of frost after 2am. Otherwise, mostly clear, with a low around 35. Calm wind.
New Year's Day
Areas of frost. Otherwise, partly sunny, with a high near 61. Calm wind becoming west around 5 mph.
Thursday Night
Mostly cloudy, with a low around 39. Southwest wind around 5 mph becoming northeast in the evening.
Friday
A slight chance of showers. Mostly cloudy, with a high near 60. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Slidell LA
 30.28°N 89.79°W
Last Update:
5:29 am CST Dec 27, 2025
Forecast Valid:
5am CST Dec 27, 2025-6pm CST Jan 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation