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

Slidell, Slidell Airport (KASD)

Lat: 30.34°NLon: 89.82°WElev: 30ft.

Fair

29°F

-2°C

Humidity 96%
Wind Speed Calm
Barometer 30.41 in (1029.8 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 20 Jan 3:53 am CST
Extended Forecast for

Slidell LA

  • Overnight

    Overnight: Widespread frost. Otherwise, mostly cloudy, with a steady temperature around 33. Calm wind.

    Low: 33 °F

    Frost

  • Tuesday

    Tuesday: Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 59. Calm wind becoming east around 5 mph.

    High: 59 °F

    Frost then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41. Southeast wind around 5 mph becoming calm.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 66. Southeast wind 5 to 10 mph.

    High: 66 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Cloudy, with a low around 54. East wind around 5 mph becoming calm.

    Low: 54 °F

    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers. Partly sunny, with a high near 69. Calm wind becoming southeast around 5 mph in the morning.

    High: 69 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 55. Southeast wind around 5 mph becoming calm.

    Low: 55 °F

    Slight Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers. Mostly cloudy, with a high near 66. Calm wind becoming northeast around 5 mph in the morning.

    High: 66 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Cloudy, with a low around 46. Northeast wind around 5 mph.

    Low: 46 °F

    Chance
    Showers

Detailed Forecast

Overnight
Widespread frost. Otherwise, mostly cloudy, with a steady temperature around 33. Calm wind.
Tuesday
Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 59. Calm wind becoming east around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 41. Southeast wind around 5 mph becoming calm.
Wednesday
Mostly cloudy, with a high near 66. Southeast wind 5 to 10 mph.
Wednesday Night
A 50 percent chance of showers. Cloudy, with a low around 54. East wind around 5 mph becoming calm.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 69. Calm wind becoming southeast around 5 mph in the morning.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 55. Southeast wind around 5 mph becoming calm.
Friday
A 30 percent chance of showers. Mostly cloudy, with a high near 66. Calm wind becoming northeast around 5 mph in the morning.
Friday Night
A chance of showers. Cloudy, with a low around 46. Northeast wind around 5 mph.
Saturday
Showers likely, mainly after noon. Cloudy, with a high near 60. Northeast wind 5 to 10 mph.
Saturday Night
Showers likely. Cloudy, with a low around 36. Northeast wind 5 to 10 mph becoming northwest in the evening. Winds could gust as high as 20 mph.
Sunday
A chance of showers. Mostly cloudy, with a high near 47. North wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 32. North wind around 5 mph.
Monday
Mostly sunny, with a high near 50. North wind 5 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Slidell LA
 30.3°N 89.78°W
Last Update:
11:16 pm CST Jan 19, 2026
Forecast Valid:
3am CST Jan 20, 2026-6pm CST Jan 26, 2026
 
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