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.
Partly Cloudy
90°F
32°C
| Humidity | 67% |
| Wind Speed | SW 7 mph |
| Barometer | 29.95 in |
| Dewpoint | 77°F (25°C) |
| Visibility | 10.00 mi |
| Heat Index | 104°F (40°C) |
| Last update | 17 Aug 9:15 pm EDT |
Extended Forecast for
Saint Simons GA
Extreme Heat Warning August 18, 11:00am until August 18, 08:00pm
Tonight
Low: 78 °F
Partly Cloudy
Tuesday
High: 98 °F
Mostly Sunny
then Chance
T-stormsTuesday Night
Low: 78 °F
Chance
T-storms then
Partly CloudyWednesday
High: 96 °F
Hot
Wednesday Night
Low: 78 °F
Partly Cloudy
Thursday
High: 95 °F
Hot
Thursday Night
Low: 77 °F
Mostly Clear
Friday
High: 96 °F
Hot
Friday Night
Low: 76 °F
Slight Chance
T-storms
Detailed Forecast
Tonight
Partly cloudy, with a low around 78. West wind 7 to 9 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 114. West wind around 10 mph becoming south in the afternoon. Winds could gust as high as 16 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 78. Southwest wind 7 to 10 mph, with gusts as high as 16 mph.
Wednesday
Sunny and hot, with a high near 96. Heat index values as high as 110. West wind 6 to 9 mph becoming south in the afternoon.
Wednesday Night
Partly cloudy, with a low around 78. Southwest wind 5 to 9 mph.
Thursday
Mostly sunny and hot, with a high near 95.
Thursday Night
Mostly clear, with a low around 77.
Friday
Sunny and hot, with a high near 96.
Friday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76.
Saturday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Monday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 95.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Saint Simons GA
31.19°N 81.39°W
31.19°N 81.39°W
8:07 pm EDT Aug 17, 2026
9pm EDT Aug 17, 2026-6pm EDT Aug 24, 2026
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