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

Western Heat and Monsoon Continues; Increasing Moisture in the East

High pressure continues to produce excessive heat and critical fire weather conditions for portions of the west, with heavy rains and potential for flash flooding associated with the monsoons in the southwest. Meanwhile, a cold front approaching the east coast is increasing the humidity and heat index, and bringing potential for heavy rain and flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Beaufort County Airport (KARW)

Lat: 32.41°NLon: 80.63°WElev: 10ft.

Mostly Cloudy

79°F

26°C

Humidity 79%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 72°F (22°C)
Visibility 7.00 mi
Heat Index82°F (28°C)
Last update 16 Jul 2:35 am EDT
Extended Forecast for

Saint Helena Island SC

  • Overnight

    Overnight: Partly cloudy, with a low around 76. Calm wind.

    Partly Cloudy

    Low: 76 °F

  • Monday

    Monday: A chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 89. Light southwest wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 40%.

    Chance
    T-storms

    High: 89 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 77. South wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms then
    Showers
    Likely

    Low: 77 °F

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Mostly cloudy, with a high near 90. Heat index values as high as 102. Southwest wind 7 to 11 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Showers
    Likely

    High: 90 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Southwest wind around 10 mph. Chance of precipitation is 40%.

    Chance
    Showers

    Low: 77 °F

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 90. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Showers
    Likely

    High: 90 °F

  • Wednesday
    Night

    Wednesday Night: Showers likely. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.

    Showers
    Likely

    Low: 76 °F

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 87. Chance of precipitation is 60%.

    Showers
    Likely

    High: 87 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Chance of precipitation is 50%.

    Chance
    T-storms

    Low: 75 °F

Detailed Forecast

Overnight
Partly cloudy, with a low around 76. Calm wind.
Monday
A chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 89. Light southwest wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 77. South wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Mostly cloudy, with a high near 90. Heat index values as high as 102. Southwest wind 7 to 11 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Southwest wind around 10 mph. Chance of precipitation is 40%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 90. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 87. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Chance of precipitation is 50%.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 88. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 89. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 40%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Saint Helena Island SC
 32.39°N 80.57°W (Elev. 20 ft)
Last Update:
12:08 am EDT Jul 16, 2018
Forecast Valid:
2am EDT Jul 16, 2018-6pm EDT Jul 22, 2018
 
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