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

81°F

27°C

Humidity 88%
Wind Speed NW 3 mph
Barometer 30.11 in (1019.5 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 21 Jun 7:53 am CDT
Extended Forecast for

Mandeville LA

Heat Advisory June 21, 11:00am until June 21, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.

    High: 92 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. Light east wind becoming southeast 5 to 10 mph in the afternoon.

    High: 91 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Sunny, with a high near 91. Northeast wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 50%.

    High: 91 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 76. Southeast wind around 5 mph becoming calm.

    Low: 76 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Sunny, with a high near 90. Northeast wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 60%.

    High: 90 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

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

    Low: 76 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Northeast wind 5 to 10 mph becoming southeast in the afternoon.

    High: 91 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.
Sunday
A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. Light east wind becoming southeast 5 to 10 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Sunny, with a high near 91. Northeast wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 50%.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 76. Southeast wind around 5 mph becoming calm.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Sunny, with a high near 90. Northeast wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Wednesday Night
Partly cloudy, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Northeast wind around 5 mph becoming southeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming southeast around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mandeville LA
 30.38°N 90.1°W
Last Update:
6:16 am CDT Jun 21, 2025
Forecast Valid:
8am CDT Jun 21, 2025-6pm CDT Jun 27, 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