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.

Fair

66°F

19°C

Humidity 96%
Wind Speed Calm
Barometer 30.16 in (1021.4 mb)
Dewpoint 65°F (18°C)
Visibility 9.00 mi
Last update 19 Nov 8:53 pm CST
Extended Forecast for

Slidell LA

Dense Fog Advisory November 19, 11:00pm until November 20, 09:00am
Click here for hazard details and duration
Dense Fog Advisory

  • Tonight

    Tonight: Widespread dense fog, mainly after 4am. Otherwise, mostly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Partly Cloudy
    then Dense
    Fog

  • Thursday

    Thursday: Widespread dense fog, mainly before 8am. Otherwise, partly sunny, with a high near 78. Light east wind becoming southeast 5 to 10 mph in the morning.

    High: 78 °F

    Dense Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 63. Southeast wind around 5 mph.

    Low: 63 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 80. South wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. South wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 82. Calm wind becoming southwest around 5 mph.

    High: 82 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 79. Calm wind becoming southeast around 5 mph in the morning.

    High: 79 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 58. Southeast wind around 5 mph becoming calm.

    Low: 58 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Widespread dense fog, mainly after 4am. Otherwise, mostly cloudy, with a low around 59. Calm wind.
Thursday
Widespread dense fog, mainly before 8am. Otherwise, partly sunny, with a high near 78. Light east wind becoming southeast 5 to 10 mph in the morning.
Thursday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 63. Southeast wind around 5 mph.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 80. South wind 5 to 10 mph. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 63. South wind around 5 mph becoming calm in the evening.
Saturday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 82. Calm wind becoming southwest around 5 mph.
Saturday Night
Mostly cloudy, with a low around 59. Calm wind.
Sunday
Partly sunny, with a high near 79. Calm wind becoming southeast around 5 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 58. Southeast wind around 5 mph becoming calm.
Monday
A slight chance of showers. Mostly sunny, with a high near 78. Southeast wind 5 to 10 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 60. South wind around 5 mph.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 76. Southwest wind 5 to 10 mph.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 54. South wind around 5 mph becoming north after midnight.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 74. North wind around 5 mph becoming west in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Slidell LA
 30.3°N 89.76°W
Last Update:
8:36 pm CST Nov 19, 2025
Forecast Valid:
9pm CST Nov 19, 2025-6pm CST Nov 26, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation