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.

Partly Cloudy

89°F

32°C

Humidity 53%
Wind Speed Vrbl 5 mph
Barometer 30.02 in (1016.6 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 28 Aug 2:53 pm CDT
Extended Forecast for

Slidell LA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms before 4pm. Sunny, with a steady temperature around 87. South wind around 5 mph.

    High: 87 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 72. South wind around 5 mph becoming calm.

    Low: 72 °F

    Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 4pm. Mostly cloudy, with a high near 87. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 85. Calm wind becoming northwest around 5 mph in the morning. Chance of precipitation is 80%.

    High: 85 °F

    Showers
    Likely then
    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 10pm, then a chance of showers. Partly cloudy, with a low around 69. Northeast wind around 5 mph becoming calm. Chance of precipitation is 60%.

    Low: 69 °F

    T-storms
    Likely then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 87. Northeast wind around 5 mph. Chance of precipitation is 50%.

    High: 87 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Northeast wind around 5 mph. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    Showers

  • Labor Day

    Labor Day: A chance of showers and thunderstorms. Partly sunny, with a high near 86. Northeast wind 5 to 10 mph.

    High: 86 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms before 4pm. Sunny, with a steady temperature around 87. South wind around 5 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 72. South wind around 5 mph becoming calm.
Friday
Showers and thunderstorms likely, mainly after 4pm. Mostly cloudy, with a high near 87. Calm wind becoming south around 5 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 85. Calm wind becoming northwest around 5 mph in the morning. Chance of precipitation is 80%.
Saturday Night
Showers and thunderstorms likely before 10pm, then a chance of showers. Partly cloudy, with a low around 69. Northeast wind around 5 mph becoming calm. Chance of precipitation is 60%.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 87. Northeast wind around 5 mph. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Northeast wind around 5 mph. Chance of precipitation is 30%.
Labor Day
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Northeast wind 5 to 10 mph.
Monday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68. Northeast wind around 5 mph.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Northeast wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 68. Northeast wind around 5 mph becoming calm.
Wednesday
A slight chance of showers and thunderstorms. Sunny, with a high near 90. North wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 67. Northeast wind around 5 mph becoming calm.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 89. Calm wind becoming north around 5 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Slidell LA
 30.3°N 89.78°W
Last Update:
12:27 pm CDT Aug 28, 2025
Forecast Valid:
3pm CDT Aug 28, 2025-6pm CDT Sep 4, 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