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

71°F

22°C

Humidity 87%
Wind Speed S 9 mph
Barometer 30.09 in (1019.0 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 18 Nov 6:53 pm CST
Extended Forecast for

Slidell LA

Dense Fog Advisory November 19, 12:00am until November 19, 09:00am
Click here for hazard details and duration
Dense Fog Advisory

  • Tonight

    Tonight: Widespread dense fog, mainly between 2am and 4am. Otherwise, mostly cloudy, with a low around 60. Southeast wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy
    then Dense
    Fog

  • Wednesday

    Wednesday: Areas of dense fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 80. Calm wind becoming south around 5 mph in the afternoon.

    High: 80 °F

    Areas Dense
    Fog then
    Sunny

  • Wednesday Night

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

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: Areas of fog between 7am and 9am. Otherwise, partly sunny, with a high near 77. Light east wind becoming southeast 5 to 10 mph in the afternoon.

    High: 77 °F

    Areas Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 62. Southeast wind around 5 mph.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then showers likely after 3pm. 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 64. South wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. Calm wind becoming west around 5 mph in the morning.

    High: 81 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58. Southwest wind around 5 mph becoming calm.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
Widespread dense fog, mainly between 2am and 4am. Otherwise, mostly cloudy, with a low around 60. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
Areas of dense fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 80. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 59. Southeast wind around 5 mph becoming calm.
Thursday
Areas of fog between 7am and 9am. Otherwise, partly sunny, with a high near 77. Light east wind becoming southeast 5 to 10 mph in the afternoon.
Thursday Night
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 62. Southeast wind around 5 mph.
Friday
A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then showers likely after 3pm. 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 64. South wind around 5 mph becoming calm in the evening.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. Calm wind becoming west around 5 mph in the morning.
Saturday Night
Partly cloudy, with a low around 58. Southwest wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 77. North wind around 5 mph becoming south in the afternoon.
Sunday Night
Partly cloudy, with a low around 55. Calm wind becoming east around 5 mph.
Monday
A slight chance of showers. Mostly sunny, with a high near 75. Southeast wind 5 to 10 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 57. Southeast wind around 5 mph.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 76. South wind 5 to 10 mph.
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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:
11:31 am CST Nov 18, 2025
Forecast Valid:
7pm CST Nov 18, 2025-6pm CST Nov 25, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation