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.

Fair

93°F

34°C

Humidity 63%
Wind Speed SW 8 G 14 mph
Barometer 30.05 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index110°F (43°C)
Last update 31 Jul 11:35 am EDT
Extended Forecast for

3 Miles SSW Saint Simons GA

Heat Advisory until July 31, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until July 31, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • Today

    High: 94 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms, mainly between 10pm and midnight. Partly cloudy, with a low around 81. South wind 11 to 14 mph becoming west after midnight. Winds could gust as high as 21 mph.

    Low: 81 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 10 percent chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 96. Heat index values as high as 113. West wind 8 to 10 mph becoming south in the afternoon. Winds could gust as high as 16 mph.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly between 7pm and 2am. Mostly cloudy, with a low around 79. South wind 8 to 10 mph becoming west after midnight. Winds could gust as high as 16 mph.

    Low: 79 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms, mainly between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. High near 91. West wind around 8 mph becoming east in the afternoon. Chance of precipitation is 90%.

    High: 91 °F

    Chance
    T-storms then
    Heavy Rain

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could produce heavy rainfall. Low around 76. Chance of precipitation is 80%.

    Low: 76 °F

    Heavy Rain
    then Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms after 2pm. High near 84. Chance of precipitation is 90%.

    High: 84 °F

    Showers
    Likely then
    T-storms

  • Sunday Night

    Sunday 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 77. Chance of precipitation is 80%.

    Low: 77 °F

    T-storms then
    Showers
    Likely

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 94. Heat index values as high as 112. West wind 10 to 13 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Tonight
A 20 percent chance of showers and thunderstorms, mainly between 10pm and midnight. Partly cloudy, with a low around 81. South wind 11 to 14 mph becoming west after midnight. Winds could gust as high as 21 mph.
Friday
A 10 percent chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 96. Heat index values as high as 113. West wind 8 to 10 mph becoming south in the afternoon. Winds could gust as high as 16 mph.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly between 7pm and 2am. Mostly cloudy, with a low around 79. South wind 8 to 10 mph becoming west after midnight. Winds could gust as high as 16 mph.
Saturday
Showers and thunderstorms, mainly between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. High near 91. West wind around 8 mph becoming east in the afternoon. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could produce heavy rainfall. Low around 76. Chance of precipitation is 80%.
Sunday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms after 2pm. High near 84. Chance of precipitation is 90%.
Sunday 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 77. Chance of precipitation is 80%.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 86. Chance of precipitation is 80%.
Monday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 77. Chance of precipitation is 80%.
Tuesday
Showers and thunderstorms likely. Mostly sunny, with a high near 89. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 77. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Saint Simons GA
 31.14°N 81.39°W
Last Update:
11:31 am EDT Jul 31, 2025
Forecast Valid:
11am EDT Jul 31, 2025-6pm EDT Aug 6, 2025
 
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