Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Greenville Spartanburg International Airport (KGSP)

Lat: 34.91°NLon: 82.21°WElev: 955ft.

Fair

75°F

24°C

Humidity	84%
Wind Speed	Calm
Barometer	30.02 in (1015.3 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	19 Aug 11:53 pm EDT

More Information:

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

Extended Forecast for

3 Miles WNW Duncan SC

Tonight
Low: 72 °F
Clear
Thursday
High: 95 °F
Hot
Thursday Night
Low: 72 °F
Slight Chance
T-storms
Friday
High: 92 °F
Mostly Sunny
then Showers
Likely
Friday Night
Low: 69 °F
Showers
Likely
Saturday
High: 90 °F
Mostly Sunny
Saturday Night
Low: 68 °F
Mostly Clear
Sunday
High: 91 °F
Sunny
Sunday Night
Low: 68 °F
Mostly Clear

Detailed Forecast

Tonight

Clear, with a low around 72. Calm wind.

Thursday

Sunny and hot, with a high near 95. Heat index values as high as 103. Calm wind becoming west southwest around 6 mph in the afternoon.

Thursday Night

A 20 percent chance of showers and thunderstorms, mainly between 1am and 2am. Partly cloudy, with a low around 72. Light west northwest wind.

Friday

A chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 92. Heat index values as high as 102. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms between 10pm and 2am. Mostly cloudy, with a low around 69. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

Saturday

Mostly sunny, with a high near 90.

Saturday Night

Mostly clear, with a low around 68.

Sunday

Sunny, with a high near 91.

Sunday Night

Mostly clear, with a low around 68.

Monday

Sunny, with a high near 90.

Monday Night

Partly cloudy, with a low around 68.