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.

Partly Cloudy

81°F

27°C

Humidity 91%
Wind Speed Calm
Barometer 29.99 in (1015.5 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 15 Jul 9:53 pm CDT
Extended Forecast for

Bay Saint Louis MS

Flood Watch July 16, 01:00pm until July 19, 01:00am
Heat Advisory July 16, 10:00am until July 16, 07:00pm
Click here for hazard details and duration
Flood Watch
Heat Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 77. Calm wind becoming northwest around 5 mph.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 4pm. Increasing clouds and hot, with a high near 96. Heat index values as high as 107. Northwest wind around 5 mph becoming southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 96 °F

    Sunny then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7pm. Mostly cloudy, with a low around 74. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

    Low: 74 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 87. Northeast wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 100%.

    High: 87 °F

    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 7pm. Low around 76. Southeast wind around 5 mph. Chance of precipitation is 80%.

    Low: 76 °F

    T-storms
    Likely then
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. High near 88. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    High: 88 °F

    Showers then
    T-storms

  • Friday Night

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

    Low: 76 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 90. Southwest wind around 5 mph. Chance of precipitation is 80%.

    High: 90 °F

    Showers
    Likely then
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 77. Calm wind becoming northwest around 5 mph.
Wednesday
Showers and thunderstorms likely, mainly after 4pm. Increasing clouds and hot, with a high near 96. Heat index values as high as 107. Northwest wind around 5 mph becoming southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7pm. Mostly cloudy, with a low around 74. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Thursday
Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 87. Northeast wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 100%.
Thursday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 7pm. Low around 76. Southeast wind around 5 mph. Chance of precipitation is 80%.
Friday
Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. High near 88. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 76. South wind around 5 mph becoming calm in the evening.
Saturday
Showers and possibly a thunderstorm. High near 90. Southwest wind around 5 mph. Chance of precipitation is 80%.
Saturday Night
Partly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm in the evening.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.
Monday
A chance of showers and thunderstorms. Sunny, with a high near 94. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Tuesday
A chance of showers and thunderstorms. Sunny, with a high near 94. Calm wind becoming south around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bay Saint Louis MS
 30.31°N 89.52°W
Last Update:
6:36 pm CDT Jul 15, 2025
Forecast Valid:
10pm CDT Jul 15, 2025-6pm CDT Jul 22, 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