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

Clemson, Clemson-Oconee County Airport (KCEU)

Lat: 34.67°NLon: 82.88°WElev: 892ft.

A Few Clouds

73°F

23°C

Humidity 94%
Wind Speed Calm
Barometer 30.02 in (1015.5 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 21 Sep 8:54 am EDT
Extended Forecast for

2 Miles W Clemson SC

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm.  Sunny, with a high near 91. Calm wind.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 2am.  Mostly cloudy, with a low around 69. Calm wind.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 5pm.  Patchy fog before 9am. High near 88. Calm wind.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm, mainly before 2am, then rain likely after 2am.  Low around 67. Calm wind becoming northeast around 5 mph after midnight.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers

  • Wednesday

    Wednesday: Rain likely, with thunderstorms also possible after 5pm.  Mostly cloudy, with a high near 76. East northeast wind 7 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%.

    High: 76 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A chance of rain and thunderstorms.  Mostly cloudy, with a low around 61. Chance of precipitation is 30%.

    Low: 61 °F

    Chance Rain

  • Thursday

    Thursday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Sunny, with a high near 91. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 69. 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 and possibly a thunderstorm after 5pm. Patchy fog before 9am. High near 88. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm, mainly before 2am, then rain likely after 2am. Low around 67. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Rain likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 76. East northeast wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Clemson SC
 34.69°N 82.83°W (Elev. 801 ft)
5:54 am EDT Sep 21, 2026
9am EDT Sep 21, 2026-6pm EDT Sep 27, 2026
 
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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