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

East Coast Flash Flood/Severe Thunderstorm Threat Monday

A cold front and waves of low pressure will slowly shift across the Mid-Atlantic and Southeast states Monday and Tuesday. Heavy thunderstorms along this front may produce heavy rain and flash flooding with the highest threat Monday from Tennessee into New England. A few strong to severe thunderstorms are also possible mainly from Northern Maryland to southern New Jersey. Read More >

Current conditions at

Brunswick, Malcolm McKinnon Airport (KSSI)

Lat: 31.15°NLon: 81.39°WElev: 20ft.

Fair

80°F

27°C

Humidity 76%
Wind Speed Calm
Barometer 30.05 in (1017.6 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 22 Jul 7:53 am EDT
Extended Forecast for

Saint Simons Island GA

  • Today

    Today: A 10 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 91. Heat index values as high as 101. South wind 5 to 14 mph.

    Sunny then
    Slight Chance
    T-storms

    High: 91 °F

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76. South wind 9 to 11 mph.

    Slight Chance
    T-storms then
    Partly Cloudy

    Low: 76 °F

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 100. Southwest wind 6 to 13 mph becoming south in the afternoon.

    Sunny then
    Slight Chance
    T-storms

    High: 91 °F

  • Tuesday
    Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78. Breezy, with a south wind 12 to 17 mph becoming northwest 6 to 11 mph after midnight.

    Chance
    T-storms and
    Breezy

    Low: 78 °F

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm, then showers and thunderstorms after 11am. High near 86. North wind 3 to 8 mph. Chance of precipitation is 90%.

    T-storms
    Likely then
    T-storms

    High: 86 °F

  • Wednesday
    Night

    Wednesday Night: Showers and thunderstorms, mainly before 8pm. Low around 76. Chance of precipitation is 80%.

    T-storms then
    Chance
    T-storms

    Low: 76 °F

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 8am, then showers and thunderstorms likely after 8am. Cloudy, with a high near 88. Chance of precipitation is 70%.

    T-storms
    Likely

    High: 88 °F

  • Thursday
    Night

    Thursday Night: A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 76.

    Chance
    T-storms

    Low: 76 °F

  • Friday

    Friday: Showers and thunderstorms likely. Mostly cloudy, with a high near 89. Chance of precipitation is 60%.

    T-storms
    Likely

    High: 89 °F

Detailed Forecast

Today
A 10 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 91. Heat index values as high as 101. South wind 5 to 14 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76. South wind 9 to 11 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 100. Southwest wind 6 to 13 mph becoming south in the afternoon.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78. Breezy, with a south wind 12 to 17 mph becoming northwest 6 to 11 mph after midnight.
Wednesday
Showers likely and possibly a thunderstorm, then showers and thunderstorms after 11am. High near 86. North wind 3 to 8 mph. Chance of precipitation is 90%.
Wednesday Night
Showers and thunderstorms, mainly before 8pm. Low around 76. Chance of precipitation is 80%.
Thursday
Showers likely and possibly a thunderstorm before 8am, then showers and thunderstorms likely after 8am. Cloudy, with a high near 88. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 76.
Friday
Showers and thunderstorms likely. Mostly cloudy, with a high near 89. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77.
Saturday
Showers and thunderstorms likely. Mostly cloudy, with a high near 90. Chance of precipitation is 60%.
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. Partly sunny, with a high near 90.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Saint Simons Island GA
 31.21°N 81.36°W
Last Update:
7:17 am EDT Jul 22, 2019
Forecast Valid:
7am EDT Jul 22, 2019-6pm EDT Jul 28, 2019
 
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