Current conditions at

Brunswick, Malcolm McKinnon Airport (KSSI)

Lat: 31.15°NLon: 81.39°WElev: 20ft.

A Few Clouds

86°F

30°C

Humidity 79%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 22 Aug 10:35 am EDT
Extended Forecast for

Saint Simons Island GA

Flood Watch August 22, 05:00pm until August 23, 12:00am
Click here for hazard details and duration
Flood Watch
  • Today

    Today: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then showers and thunderstorms likely after 2pm.  Partly sunny, with a high near 89. West wind 5 to 8 mph becoming southeast in the afternoon.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and midnight, then a chance of showers and thunderstorms after midnight. Some of the storms could produce heavy rainfall.  Low around 74. East wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 74 °F

    Heavy Rain
    then Chance
    T-storms

  • Saturday

    Saturday: Showers and possibly a thunderstorm, mainly before 5pm, then showers and thunderstorms after 5pm.  High near 85. Calm wind becoming east around 6 mph in the afternoon.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    Showers
    Likely then
    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am.  Low around 73. Northeast wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 80%.

    Low: 73 °F

    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Partly sunny, with a high near 88. West wind around 6 mph.  Chance of precipitation is 70%.

    High: 88 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am.  Mostly cloudy, with a low around 73. Chance of precipitation is 60%.

    Low: 73 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 2pm.  Mostly sunny, with a high near 90.

    High: 90 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm.  Sunny, with a high near 90.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 89. West wind 5 to 8 mph becoming southeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and midnight, then a chance of showers and thunderstorms after midnight. Some of the storms could produce heavy rainfall. Low around 74. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers and possibly a thunderstorm, mainly before 5pm, then showers and thunderstorms after 5pm. High near 85. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Low around 73. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
Sunday
Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 88. West wind around 6 mph. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 90.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 90.
Tuesday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 73.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons Island GA
 31.23°N 81.36°W
9:01 am EDT Aug 22, 2025
11am EDT Aug 22, 2025-6pm EDT Aug 28, 2025
 
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Additional Resources

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