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.

A Few Clouds

33°C

91°F

Humidity 57%
Wind Speed NA
Barometer 1017.8 mb (30.06 in)
Dewpoint 23°C (74°F)
Visibility 16 km
Heat Index38°C (100°F)
Last update 14 Jul 3:53 pm CDT
Extended Forecast for

Bay Saint Louis MS

Heat Advisory July 15, 10:00am until July 15, 07:00pm
Heat Advisory July 14, 04:40pm until July 14, 07:00pm
Click here for hazard details and duration
Heat Advisory
Heat Advisory
  •  
    Heat Advisory July 14, 04:40pm until July 14, 07:00pm

    NOW until 7:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 34 °C

    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 24. Calm wind.

    Low: 24 °C

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Mostly sunny and hot, with a high near 35. Heat index values as high as 42. Northwest wind 5 to 10 km/h becoming southwest in the afternoon.

    High: 35 °C

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 25. Calm wind.

    Low: 25 °C

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny and hot, with a high near 35. North wind 5 to 10 km/h becoming southeast in the afternoon. Chance of precipitation is 70%.

    High: 35 °C

    Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 24. Calm wind. Chance of precipitation is 60%.

    Low: 24 °C

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. High near 32. Northeast wind 5 to 10 km/h becoming southeast in the afternoon. Chance of precipitation is 90%.

    High: 32 °C

    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 24. Southeast wind 5 to 10 km/h becoming south after midnight. Chance of precipitation is 60%.

    Low: 24 °C

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms, mainly before 5pm. Mostly sunny, with a high near 34. South wind around 10 km/h.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 24. Calm wind.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Mostly sunny and hot, with a high near 35. Heat index values as high as 42. Northwest wind 5 to 10 km/h becoming southwest in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 25. Calm wind.
Wednesday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny and hot, with a high near 35. North wind 5 to 10 km/h becoming southeast in the afternoon. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 24. Calm wind. Chance of precipitation is 60%.
Thursday
Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. High near 32. Northeast wind 5 to 10 km/h becoming southeast in the afternoon. Chance of precipitation is 90%.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 24. Southeast wind 5 to 10 km/h becoming south after midnight. Chance of precipitation is 60%.
Friday
Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. Partly sunny, with a high near 32. South wind 5 to 10 km/h.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 24. Calm wind.
Saturday
Showers and thunderstorms. Partly sunny, with a high near 32. South wind 5 to 10 km/h.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 24. Calm wind.
Sunday
Showers and thunderstorms likely. Mostly sunny, with a high near 33. Southwest wind 5 to 10 km/h.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 24. Calm wind.
Monday
Showers and thunderstorms likely. Mostly sunny, with a high near 34. West wind 5 to 10 km/h becoming south 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:
12:25 pm CDT Jul 14, 2025
Forecast Valid:
4pm CDT Jul 14, 2025-6pm CDT Jul 21, 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