Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Greenville Spartanburg International Airport (KGSP)

Lat: 34.91°NLon: 82.21°WElev: 955ft.

Overcast

73°F

23°C

Humidity	90%
Wind Speed	Calm
Barometer	30.04 in (1016.1 mb)
Dewpoint	70°F (21°C)
Visibility	7.00 mi
Last update	27 Aug 9:53 am EDT

More Information:

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

Extended Forecast for

Duncan SC

Today
High: 88 °F
Mostly Sunny
then Chance
T-storms
Tonight
Low: 68 °F
Chance
T-storms then
Chance
Showers
Friday
High: 86 °F
Partly Sunny
then Showers
Likely
Friday Night
Low: 67 °F
Chance
T-storms then
Chance
Showers
Saturday
High: 86 °F
Mostly Cloudy
then Chance
T-storms
Saturday Night
Low: 68 °F
Slight Chance
T-storms then
Partly Cloudy
Sunday
High: 88 °F
Mostly Sunny
Sunday Night
Low: 69 °F
Mostly Clear
Monday
High: 90 °F
Sunny

Detailed Forecast

Today

A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 88. Light south wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Light and variable wind. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

A chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. Cloudy through mid morning, then becoming mostly sunny, with a high near 86. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night

A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 86. North northeast wind 3 to 6 mph.

Saturday Night

A 20 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 68.

Sunday

Mostly sunny, with a high near 88.

Sunday Night

Mostly clear, with a low around 69.

Monday

Sunny, with a high near 90.

Monday Night

Mostly clear, with a low around 70.