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Current conditions at

Slidell, Slidell Airport (KASD)

Lat: 30.34°NLon: 89.82°WElev: 30ft.

Fair

76°F

24°C

Humidity 94%
Wind Speed Calm
Barometer 29.97 in (1015.0 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 30 Jul 5:53 am CDT
Extended Forecast for

Bay Saint Louis MS

Heat Advisory July 30, 10:00am until July 30, 07:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Showers and thunderstorms likely, mainly between 2pm and 5pm.  Mostly sunny, with a high near 94. Heat index values as high as 109. Calm wind becoming south around 5 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: 94 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Mostly clear, with a low around 77. West wind around 5 mph becoming calm.

    Low: 77 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 1pm.  Mostly sunny, with a high near 94. Heat index values as high as 109. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 94 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly clear, with a low around 77. Southwest wind around 5 mph becoming calm.

    Low: 77 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 1pm.  Mostly sunny and hot, with a high near 95. Calm wind becoming west around 5 mph in the morning.  Chance of precipitation is 70%.

    High: 95 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am.  Partly cloudy, with a low around 76. Southwest wind around 5 mph becoming calm.

    Low: 76 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 1pm.  Mostly sunny, with a high near 94. Calm wind becoming northwest around 5 mph in the afternoon.  Chance of precipitation is 70%.

    High: 94 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am.  Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 1pm.  Mostly sunny, with a high near 93. Calm wind becoming north around 5 mph.

    High: 93 °F

    T-storms
    Likely

Detailed Forecast

Today
Showers and thunderstorms likely, mainly between 2pm and 5pm. Mostly sunny, with a high near 94. Heat index values as high as 109. Calm wind becoming south around 5 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 before 8pm. Mostly clear, with a low around 77. West wind around 5 mph becoming calm.
Thursday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 94. Heat index values as high as 109. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 77. Southwest wind around 5 mph becoming calm.
Friday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny and hot, with a high near 95. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 70%.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 76. Southwest wind around 5 mph becoming calm.
Saturday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 94. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 70%.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 75. Calm wind.
Sunday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 93. Calm wind becoming north around 5 mph.
Sunday Night
A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 75. Calm wind.
Monday
Showers and thunderstorms likely. Mostly sunny, with a high near 92. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. South wind around 5 mph becoming calm.
Tuesday
Showers and thunderstorms likely. Mostly sunny, with a high near 92. 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
6:20 am CDT Jul 30, 2025
6am CDT Jul 30, 2025-6pm CDT Aug 5, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database