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

88°F

31°C

Humidity 66%
Wind Speed Vrbl 6 mph
Barometer 30.10 in (1019.3 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 13 Jul 9:53 am CDT
Extended Forecast for

Bay Saint Louis MS

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 75. Southwest wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Chance
    T-storms then
    Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms. Sunny, with a high near 94. Heat index values as high as 105. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 94 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. Southwest wind around 5 mph becoming calm.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 96. Calm wind becoming northwest around 5 mph.

    High: 96 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 94. Calm wind becoming north around 5 mph. Chance of precipitation is 60%.

    High: 94 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 91. Calm wind becoming east around 5 mph in the morning.

    High: 91 °F

    T-storms

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon.
Tonight
A 30 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 75. Southwest wind around 5 mph becoming calm in the evening.
Monday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 94. Heat index values as high as 105. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 76. Southwest wind around 5 mph becoming calm.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 96. Calm wind becoming northwest around 5 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 76. Calm wind.
Wednesday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 94. Calm wind becoming north around 5 mph. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Calm wind.
Thursday
Showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 91. Calm wind becoming east around 5 mph in the morning.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.
Friday
Showers and thunderstorms. Partly sunny, with a high near 90. Calm wind becoming south around 5 mph in the morning.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. South wind around 5 mph becoming calm in the evening.
Saturday
Showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Bay Saint Louis MS
 30.31°N 89.52°W
Last Update:
8:36 am CDT Jul 13, 2025
Forecast Valid:
10am CDT Jul 13, 2025-6pm CDT Jul 19, 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