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

Extreme Heat Risk this Week

Extreme heat and little overnight relief will lead to an extreme risk for heat-related impacts through the rest of the week. Extreme Heat Warning in effect on Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Brunswick, Malcolm McKinnon Airport (KSSI)

Lat: 31.15°NLon: 81.39°WElev: 20ft.

Fair

81°F

27°C

Humidity 84%
Wind Speed W 9 mph
Barometer 29.90 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 19 Aug 3:55 am EDT
Extended Forecast for

2 Miles SSE Saint Simons GA

Heat Advisory August 19, 11:00am until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A 10 percent chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 96. Heat index values as high as 110. West wind 8 to 13 mph becoming south in the afternoon. Winds could gust as high as 17 mph.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 81. Southeast wind 7 to 13 mph becoming southwest after midnight. Winds could gust as high as 17 mph.

    Low: 81 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 91. Heat index values as high as 106. Light and variable wind becoming southeast 6 to 11 mph in the afternoon.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 80. Southwest wind 8 to 11 mph, with gusts as high as 15 mph.

    Low: 80 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. South wind 7 to 14 mph.

    High: 91 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 78.

    Low: 78 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 60%.

    High: 90 °F

    Mostly Sunny
    then T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 77. Chance of precipitation is 60%.

    Low: 77 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 89.

    High: 89 °F

    Chance
    T-storms

Detailed Forecast

Today
A 10 percent chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 96. Heat index values as high as 110. West wind 8 to 13 mph becoming south in the afternoon. Winds could gust as high as 17 mph.
Tonight
Partly cloudy, with a low around 81. Southeast wind 7 to 13 mph becoming southwest after midnight. Winds could gust as high as 17 mph.
Thursday
Sunny, with a high near 91. Heat index values as high as 106. Light and variable wind becoming southeast 6 to 11 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 80. Southwest wind 8 to 11 mph, with gusts as high as 15 mph.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. South wind 7 to 14 mph.
Friday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 78.
Saturday
Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 77. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 89.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 78.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 90.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Saint Simons GA
 31.14°N 81.37°W
Last Update:
3:06 am EDT Aug 19, 2026
Forecast Valid:
4am EDT Aug 19, 2026-6pm EDT Aug 25, 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