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

Hazardous Weather Outlook

En Español

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 Index	87°F (31°C)
Last update	9 Aug 7:35 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

Extended Forecast for

Saint Helena Island SC

Tonight

Partly Cloudy
Low: 77 °F
Wednesday

Mostly Sunny
then Chance
T-storms
High: 91 °F
Wednesday
Night

Slight Chance
T-storms
Low: 77 °F
Thursday

Mostly Sunny
then Chance
T-storms
High: 92 °F
Thursday
Night

Chance
T-storms
Low: 75 °F
Friday

Chance
T-storms then
T-storms
Likely
High: 88 °F
Friday
Night

T-storms
Likely
Low: 73 °F
Saturday

Chance
Showers then
Chance
T-storms
High: 87 °F
Saturday
Night

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.