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

Localized Flooding through the Weekend followed by a Moderate Nor'easter and Tidal Flooding Next Week

Tropical moisture will fuel high chances for rain through the weekend and then along a stalling cold front next week. Several inches of rain are expected to fall over the next several days that will increase the risk for localized flooding each day. A Moderately Strong Nor'easter will develop Tuesday and bring gusty winds, dangerous surf/rip currents, and potential for moderate tidal flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Brunswick, Malcolm McKinnon Airport (KSSI)

Lat: 31.15°NLon: 81.39°WElev: 20ft.

Mostly Cloudy

84°F

29°C

Humidity 84%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 4 Oct 11:55 am EDT
Extended Forecast for

Saint Simons Island GA

Flood Watch until October 5, 08:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until October 5, 08:00am

    NOW until 8:00am Mon

    Flood Watch

  • This Afternoon

    High: 85 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms between 2am and 3am, then showers likely and possibly a thunderstorm after 3am. Low around 68. Calm wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Showers

  • Monday

    Monday: Showers and thunderstorms before 2pm, then showers and possibly a thunderstorm, mainly after 2pm. High near 79. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 79 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 68. Northeast wind 5 to 7 mph, with gusts as high as 15 mph. Chance of precipitation is 90%.

    Low: 68 °F

    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 79. Windy, with a northeast wind 13 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 90%.

    High: 79 °F

    Showers and
    Windy

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 66. Breezy. Chance of precipitation is 70%.

    Low: 66 °F

    Showers
    Likely and
    Breezy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Windy.

    High: 79 °F

    Chance
    T-storms and
    Windy

  • Wednesday Night

    Wednesday Night: A chance of thunderstorms before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 85. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms between 2am and 3am, then showers likely and possibly a thunderstorm after 3am. Low around 68. Calm wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers and thunderstorms before 2pm, then showers and possibly a thunderstorm, mainly after 2pm. High near 79. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 68. Northeast wind 5 to 7 mph, with gusts as high as 15 mph. Chance of precipitation is 90%.
Tuesday
Showers and possibly a thunderstorm. High near 79. Windy, with a northeast wind 13 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 90%.
Tuesday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 66. Breezy. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Windy.
Wednesday Night
A chance of thunderstorms before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. Breezy.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 66.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Breezy.
Friday Night
A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 68.
Saturday
Showers and possibly a thunderstorm. High near 81. Breezy. Chance of precipitation is 80%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons Island GA
 31.23°N 81.36°W
Last Update:
7:26 am EDT Oct 4, 2026
Forecast Valid:
12pm EDT Oct 4, 2026-6pm EDT Oct 10, 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