Thunderstorms and Heavy Rains in the Appalachians

Multiple rounds of moderate to locally heavy rain will impact portions of the Appalachians and Mid-Atlantic, which may lead to flash flooding concerns. Thunderstorms with isolated severe wind gusts will be possible this afternoon from parts of the Southeast into the southern and central Appalachians. A multi-day heavy rain will pose a flash flood threat in New Mexico beginning Tuesday. Read More >

Current conditions at

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Fair

83°F

28°C

Humidity	63%
Wind Speed	Calm
Barometer	30.04 in (1015.9 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	21 Sep 11:53 am EDT

More Information:

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

Extended Forecast for

Simpsonville SC

This Afternoon
High: 90 °F
Slight Chance
T-storms
Tonight
Low: 68 °F
Chance
T-storms
Tuesday
High: 86 °F
Slight Chance
Showers then
Showers
Likely
Tuesday Night
Low: 65 °F
Showers
Wednesday
High: 72 °F
Rain Likely
Wednesday Night
Low: 59 °F
Chance Rain
Thursday
High: 69 °F
Partly Sunny
Thursday Night
Low: 56 °F
Partly Cloudy
Friday
High: 73 °F
Mostly Sunny

Detailed Forecast

This Afternoon

A slight chance of showers and thunderstorms between 2pm and 3pm. Sunny, with a high near 90. Light southeast wind. Chance of precipitation is 20%.

Tonight

A 30 percent chance of showers and thunderstorms, mainly between 11pm and 1am. Partly cloudy, with a low around 68. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 86. Northeast wind 3 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Showers and possibly a thunderstorm before midnight, then showers between midnight and 2am, then rain likely after 2am. Low around 65. Northeast wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday

Rain likely, mainly before 11am. Mostly cloudy, with a high near 72. Northeast wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

Wednesday Night

A 50 percent chance of rain, mainly before 2am. Mostly cloudy, with a low around 59.

Thursday

Partly sunny, with a high near 69.

Thursday Night

Partly cloudy, with a low around 56.

Friday

Mostly sunny, with a high near 73.

Friday Night

Mostly clear, with a low around 55.

Saturday

Sunny, with a high near 76.