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.

Mostly Cloudy

76°F

24°C

Humidity 91%
Wind Speed NE 5 mph
Barometer 29.89 in (1012.4 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 5 Sep 5:55 am CDT
Extended Forecast for

St. Martin MS

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly between noon and 4pm. Mostly sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.

    High: 89 °F

    Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 74. South wind around 5 mph becoming calm.

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly before 3pm. Mostly sunny, with a high near 92. Heat index values as high as 105. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 75. Southwest wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Labor Day

    Labor Day: A 50 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 90. Southeast wind 5 to 10 mph. Chance of precipitation is 80%.

    High: 90 °F

    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 90. Northeast wind around 5 mph becoming southeast in the afternoon.

    High: 90 °F

    T-storms
    Likely

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly between noon and 4pm. Mostly sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 74. South wind around 5 mph becoming calm.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 3pm. Mostly sunny, with a high near 92. Heat index values as high as 105. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Sunday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 75. Southwest wind around 5 mph becoming calm in the evening.
Labor Day
A 50 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.
Tuesday
Showers and possibly a thunderstorm. High near 90. Southeast wind 5 to 10 mph. Chance of precipitation is 80%.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 90. Northeast wind around 5 mph becoming southeast in the afternoon.
Wednesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 74. Calm wind.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 74. South wind around 5 mph becoming calm.
Friday
A chance of showers and thunderstorms. Sunny, with a high near 91. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
St. Martin MS
 30.45°N 88.88°W
Last Update:
2:01 am CDT Sep 5, 2026
Forecast Valid:
6am CDT Sep 5, 2026-6pm CDT Sep 11, 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