National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Keesler Air Force Base / Biloxi (KBIX)

Lat: 30.42°NLon: 88.92°WElev: 33ft.

Fair

84°F

29°C

Humidity 75%
Wind Speed SW 6 mph
Barometer 29.95 in (1014.5 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 25 Aug 8:55 pm CDT
Extended Forecast for

St. Martin MS

  • Tonight

    Tonight: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Heat index values as high as 105. Calm wind becoming south around 5 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 90. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 90%.

    High: 90 °F

    Showers
    Likely then
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 74. Calm wind. Chance of precipitation is 70%.

    Low: 74 °F

    Showers
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 90. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%.

    High: 90 °F

    Showers
    Likely then
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming southeast around 5 mph in the morning.

    High: 90 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 75. Calm wind.
Wednesday
A 50 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Heat index values as high as 105. Calm wind becoming south around 5 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 76. Calm wind.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 90. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 90%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 74. Calm wind. Chance of precipitation is 70%.
Friday
Showers and possibly a thunderstorm. High near 90. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 73. Calm wind.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming southeast around 5 mph in the morning.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. Calm wind.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Light and variable wind becoming southeast 5 to 10 mph in the morning.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming southeast around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
St. Martin MS
 30.45°N 88.88°W
Last Update:
6:45 pm CDT Aug 25, 2026
Forecast Valid:
10pm CDT Aug 25, 2026-6pm CDT Sep 1, 2026
 
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