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

Hazardous Weather Conditions

Current conditions at

Brunswick, Malcolm McKinnon Airport (KSSI)

Lat: 31.15°NLon: 81.39°WElev: 20ft.

Thunderstorm

88°F

31°C

Humidity 84%
Wind Speed SE 6 mph
Barometer 30.03 in
Dewpoint 82°F (28°C)
Visibility 10.00 mi
Heat Index109°F (43°C)
Last update 16 Aug 12:15 pm EDT
Extended Forecast for

9 Miles SW Jekyll Island GA

Heat Advisory until August 16, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 16, 07:00pm

    NOW until 7:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 92 °F

    Heavy Rain

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 3am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 74. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    Heavy Rain
    then Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then showers and thunderstorms likely after 8am. Partly sunny, with a high near 89. Light northeast wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 89 °F

    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 8pm. Mostly clear, with a low around 75. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 75 °F

    T-storms
    Likely then
    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 91. Northeast wind 5 to 10 mph, with gusts as high as 16 mph.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 75.

    Low: 75 °F

    Slight Chance
    T-storms then
    Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 90.

    High: 90 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly clear, with a low around 75. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly after 4pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 92. Heat index values as high as 109. East wind 5 to 8 mph. 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 likely, mainly before 3am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 74. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers, then showers and thunderstorms likely after 8am. Partly sunny, with a high near 89. Light northeast wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers and thunderstorms likely before 8pm. Mostly clear, with a low around 75. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 91. Northeast wind 5 to 10 mph, with gusts as high as 16 mph.
Monday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 75.
Tuesday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 90.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly clear, with a low around 75. Chance of precipitation is 30%.
Wednesday
A slight chance of thunderstorms, then a chance of showers and thunderstorms after 8am. Sunny, with a high near 91. Chance of precipitation is 30%.
Wednesday Night
A chance of thunderstorms before 8pm. Mostly clear, with a low around 74. Chance of precipitation is 30%.
Thursday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 94.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 75.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SW Jekyll Island GA
 30.95°N 81.52°W
Last Update:
11:41 am EDT Aug 16, 2025
Forecast Valid:
12pm EDT Aug 16, 2025-6pm EDT Aug 22, 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