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Hazardous Weather Conditions
Current conditions at
Brunswick, Malcolm McKinnon Airport (KSSI)
Lat: 31.15°NLon: 81.39°WElev: 20ft.
Fair
88°F
31°C
| Humidity | 70% |
| Wind Speed | E 9 mph |
| Barometer | 29.87 in |
| Dewpoint | 77°F (25°C) |
| Visibility | 9.00 mi |
| Heat Index | 100°F (38°C) |
| Last update | 30 Jul 4:55 pm EDT |
Extended Forecast for
Saint Simons Island GA
Heat Advisory July 30, 05:19pm until July 30, 07:00pm
NOW until 7:00pm Thu

Heat Advisory
This Afternoon

High: 90 °F
Chance
T-stormsTonight
Low: 74 °F
Chance
T-storms then
Mostly ClearFriday
High: 93 °F
Mostly Sunny
then Chance
T-stormsFriday Night
Low: 75 °F
Slight Chance
T-storms then
Partly CloudySaturday
High: 92 °F
Mostly Sunny
then T-storms
LikelySaturday Night
Low: 74 °F
T-storms
Likely then
Showers
LikelySunday
High: 91 °F
Chance
Showers then
T-stormsSunday Night
Low: 75 °F
T-storms then
Chance
T-storms
Detailed Forecast
This Afternoon
A 50 percent chance of showers and thunderstorms. Partly sunny, with a steady temperature around 90. Heat index values as high as 102. Southeast wind around 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 74. South wind around 6 mph becoming calm in the evening.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 93. Heat index values as high as 105. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Friday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. Southeast wind around 6 mph becoming calm after midnight.
Saturday
Showers and thunderstorms likely after 2pm. Partly sunny, with a high near 92. Light south wind becoming southeast 6 to 11 mph in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Sunday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 91. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 75. Chance of precipitation is 80%.
Monday
Showers likely, then showers and possibly a thunderstorm after 8am. High near 90. Chance of precipitation is 80%.
Monday Night
Showers and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Low around 75. Chance of precipitation is 80%.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 76.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Saint Simons Island GA
31.21°N 81.36°W
31.21°N 81.36°W
2:36 pm EDT Jul 30, 2026
5pm EDT Jul 30, 2026-6pm EDT Aug 6, 2026



