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

Isaias to Bring Tropical Impacts Along the Eastern Seaboard

Isaias may bring life-threatening storm surge along portions of the immediate coastline and adjacent waterways of the Carolinas. Very heavy rainfall and life-threatening flash and urban flooding are expected along the storm's track up the Eastern Seaboard. A few tornadoes will be possible from the Virginia Tidewater into New England. Read More >

Current conditions at

Brunswick, Malcolm McKinnon Airport (KSSI)

Lat: 31.15°NLon: 81.39°WElev: 20ft.

Fair

78°F

26°C

Humidity 93%
Wind Speed SE 5 mph
Barometer 29.90 in (1012.6 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 4 Aug 3:53 am EDT
Extended Forecast for

Saint Simons Island GA

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms before 5am. Partly cloudy, with a low around 77. South wind around 7 mph.

    Slight Chance
    T-storms

    Low: 77 °F

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 105. Light and variable wind becoming southeast 6 to 11 mph in the morning.

    Mostly Sunny
    then Chance
    T-storms

    High: 92 °F

  • Tuesday
    Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 79. South wind 9 to 13 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    Low: 79 °F

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 93. Heat index values as high as 107. Southeast wind 5 to 10 mph. Chance of precipitation is 40%.

    Chance
    Showers then
    Chance
    T-storms

    High: 93 °F

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 76. South wind 5 to 7 mph.

    Chance
    T-storms then
    Chance
    Showers

    Low: 76 °F

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 60%.

    Chance
    Showers then
    Showers
    Likely

    High: 92 °F

  • Thursday
    Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 76. Chance of precipitation is 60%.

    Showers
    Likely then
    Slight Chance
    T-storms

    Low: 76 °F

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.

    Chance
    T-storms

    High: 92 °F

  • Friday
    Night

    Friday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77.

    Slight Chance
    T-storms

    Low: 77 °F

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms before 5am. Partly cloudy, with a low around 77. South wind around 7 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 105. Light and variable wind becoming southeast 6 to 11 mph in the morning.
Tuesday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 79. South wind 9 to 13 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers, with thunderstorms also possible after 11am. Mostly sunny, with a high near 93. Heat index values as high as 107. Southeast wind 5 to 10 mph. Chance of precipitation is 40%.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 76. South wind 5 to 7 mph.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 76. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Saint Simons Island GA
 31.21°N 81.36°W
Last Update:
3:15 am EDT Aug 4, 2020
Forecast Valid:
4am EDT Aug 4, 2020-6pm EDT Aug 10, 2020
 
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