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

80°F

27°C

Humidity 90%
Wind Speed Calm
Barometer 30.10 in (1019.4 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 17 Jul 10:53 pm CDT
Extended Forecast for

Bay Saint Louis MS

  • Tonight

    Tonight: Mostly clear, with a low around 76. Calm wind becoming northwest around 5 mph after midnight.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 3pm. Sunny and hot, with a high near 98. Heat index values as high as 110. Northwest wind around 5 mph.

    High: 98 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 10pm. Mostly clear, with a low around 76. Calm wind becoming northwest around 5 mph.

    Low: 76 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 99. Heat index values as high as 109. Northwest wind around 5 mph.

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 75. Calm wind. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 98. Northwest wind around 5 mph becoming southwest in the afternoon.

    High: 98 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 77. Calm wind.

    Low: 77 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Sunny and hot, with a high near 98. Calm wind becoming west around 5 mph in the afternoon.

    High: 98 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 78. Southwest wind around 5 mph becoming calm.

    Low: 78 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 76. Calm wind becoming northwest around 5 mph after midnight.
Saturday
A 20 percent chance of showers and thunderstorms after 3pm. Sunny and hot, with a high near 98. Heat index values as high as 110. Northwest wind around 5 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms before 10pm. Mostly clear, with a low around 76. Calm wind becoming northwest around 5 mph.
Sunday
Sunny and hot, with a high near 99. Heat index values as high as 109. Northwest wind around 5 mph.
Sunday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 75. Calm wind. Chance of precipitation is 20%.
Monday
A 50 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 98. Northwest wind around 5 mph becoming southwest in the afternoon.
Monday Night
Partly cloudy, with a low around 77. Calm wind.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Sunny and hot, with a high near 98. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 78. Southwest wind around 5 mph becoming calm.
Wednesday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 98. West wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 78. Southwest wind around 5 mph.
Thursday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97. Northwest wind around 5 mph.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. Calm wind.
Friday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95. Calm wind becoming south around 5 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bay Saint Louis MS
 30.31°N 89.52°W
Last Update:
6:09 pm CDT Jul 17, 2026
Forecast Valid:
11pm CDT Jul 17, 2026-6pm CDT Jul 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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