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.

Mostly Cloudy

65°F

18°C

Humidity 97%
Wind Speed Calm
Barometer 30.08 in (1018.5 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 9 Mar 6:53 am CDT
Extended Forecast for

Slidell LA

Dense Fog Advisory until March 9, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until March 9, 09:00am

    NOW until 9:00am Mon

    Dense Fog Advisory

  • Today

    High: 82 °F

    Areas Dense
    Fog then
    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Patchy dense fog after 2am. Otherwise, increasing clouds, with a low around 67. South wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Slight Chance
    T-storms then
    Patchy Dense
    Fog

  • Tuesday

    Tuesday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 83. Light south wind increasing to 5 to 10 mph in the morning.

    High: 83 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 67. Southeast wind around 5 mph.

    Low: 67 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 84. South wind 5 to 15 mph. Chance of precipitation is 30%.

    High: 84 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 55. South wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%.

    Low: 55 °F

    Showers

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm. Sunny, with a high near 70. North wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 70 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47. North wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 3pm. Areas of dense fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 82. Light southeast wind becoming south 5 to 10 mph in the morning.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Patchy dense fog after 2am. Otherwise, increasing clouds, with a low around 67. South wind around 5 mph becoming calm in the evening.
Tuesday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 83. Light south wind increasing to 5 to 10 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 67. Southeast wind around 5 mph.
Wednesday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 84. South wind 5 to 15 mph. Chance of precipitation is 30%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 55. South wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%.
Thursday
A 20 percent chance of showers before 1pm. Sunny, with a high near 70. North wind 10 to 15 mph, with gusts as high as 30 mph.
Thursday Night
Mostly clear, with a low around 47. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 76. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 53. South wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 79. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 60. Southeast wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 81. Light southeast wind becoming south 5 to 10 mph in the morning.
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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:
12:32 am CDT Mar 9, 2026
Forecast Valid:
7am CDT Mar 9, 2026-6pm CDT Mar 15, 2026
 
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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