Dangerous Heat in the Northeast and Northwest U.S.; Areas of Excessive Rainfall In the Ohio Valley and Southwest

Dangerous heat will continue to impact portions of the Northwest and Northeast U.S. through this evening. Monsoon showers and thunderstorms may result in flash flooding and debris flows from the Four Corners region into the Great Basin this week. A slow moving cold front will bring heavy thunderstorms which may produce excessive rainfall over the Ohio Valley and Mid-Atlantic through Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Beaufort County Airport (KARW)

Lat: 32.41°NLon: 80.63°WElev: 10ft.

82°F

28°C

Humidity 74%
Wind Speed S 8 mph
Barometer 30.10 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 9 Aug 7:35 pm EDT
Extended Forecast for

Saint Helena Island SC

  • Tonight

    Tonight: Partly cloudy, with a low around 77. Southwest wind 5 to 11 mph.

    Partly Cloudy

    Low: 77 °F

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 4pm.  Mostly sunny, with a high near 91. Heat index values as high as 101. South wind 5 to 11 mph.

    Mostly Sunny
    then Chance
    T-storms

    High: 91 °F

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 77. South wind 7 to 9 mph.

    Slight Chance
    T-storms

    Low: 77 °F

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 92. West wind 6 to 8 mph.

    Mostly Sunny
    then Chance
    T-storms

    High: 92 °F

  • Thursday
    Night

    Thursday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 75. Southwest wind around 7 mph.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    Low: 75 °F

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 2pm.  Partly sunny, with a high near 88. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Chance
    T-storms then
    T-storms
    Likely

    High: 88 °F

  • Friday
    Night

    Friday Night: Showers and thunderstorms likely, mainly before 8pm.  Mostly cloudy, with a low around 73. Chance of precipitation is 60%.

    T-storms
    Likely

    Low: 73 °F

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 8am.  Sunny, with a high near 87.

    Chance
    Showers then
    Chance
    T-storms

    High: 87 °F

  • Saturday
    Night

    Saturday Night: A chance of thunderstorms before 8pm.  Mostly clear, with a low around 73. Chance of precipitation is 30%.

    Chance
    T-storms then
    Mostly Clear

    Low: 73 °F

Detailed Forecast

Tonight
Partly cloudy, with a low around 77. Southwest wind 5 to 11 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 91. Heat index values as high as 101. South wind 5 to 11 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. South wind 7 to 9 mph.
Thursday
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92. West wind 6 to 8 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Southwest wind around 7 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 8am. Sunny, with a high near 87.
Saturday Night
A chance of thunderstorms before 8pm. Mostly clear, with a low around 73. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 73.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 88.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Click Map For Forecast
Point Forecast:
Saint Helena Island SC
 32.39°N 80.57°W (Elev. 20 ft)
6:39 pm EDT Aug 9, 2022
7pm EDT Aug 9, 2022-6pm EDT Aug 16, 2022
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database