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.

A Few Clouds

75°F

24°C

Humidity 96%
Wind Speed Calm
Barometer 30.10 in (1019.3 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Last update 12 Jul 6:53 am CDT
Extended Forecast for

Mandeville LA

  • Today

    Today: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 91. Heat index values as high as 106. Light west wind becoming southwest 5 to 10 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 75. West wind around 5 mph.

    Low: 75 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Showers and thunderstorms likely before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm. High near 85. West wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    Showers
    Likely then
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 73. West wind 5 to 10 mph. Chance of precipitation is 50%.

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 88. West wind 5 to 10 mph. Chance of precipitation is 70%.

    High: 88 °F

    Showers
    Likely then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: A chance of thunderstorms before 7pm. Mostly cloudy, with a low around 74. West wind around 5 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. West wind 5 to 10 mph.

    High: 91 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 76. West wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Calm wind becoming west around 5 mph in the afternoon.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 91. Heat index values as high as 106. Light west wind becoming southwest 5 to 10 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 75. West wind around 5 mph.
Monday
Showers and thunderstorms likely before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm. High near 85. West wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 73. West wind 5 to 10 mph. Chance of precipitation is 50%.
Tuesday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 88. West wind 5 to 10 mph. Chance of precipitation is 70%.
Tuesday Night
A chance of thunderstorms before 7pm. Mostly cloudy, with a low around 74. West wind around 5 mph. Chance of precipitation is 30%.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. West wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 76. West wind around 5 mph becoming calm in the evening.
Thursday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. South wind around 5 mph becoming west after midnight.
Friday
Mostly sunny and hot, with a high near 95. Northwest wind around 5 mph becoming west in the afternoon.
Friday Night
Partly cloudy, with a low around 77. West wind around 5 mph.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95. Northwest wind around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Mandeville LA
 30.38°N 90.07°W
Last Update:
5:26 am CDT Jul 12, 2026
Forecast Valid:
7am CDT Jul 12, 2026-6pm CDT Jul 18, 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