National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

Clemson, Clemson-Oconee County Airport (KCEU)

Lat: 34.67°NLon: 82.88°WElev: 892ft.

Fair

49°F

9°C

Humidity 100%
Wind Speed Calm
Barometer 30.17 in (1021.2 mb)
Dewpoint 49°F (9°C)
Visibility 7.00 mi
Last update 25 Dec 6:54 am EST
Extended Forecast for

Walhalla SC

  • Christmas Day

    Christmas Day: Sunny, with a high near 74. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. Light and variable wind.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of rain. Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 68. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 68 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Friday Night

    Friday Night: A 20 percent chance of rain before 1am. Partly cloudy, with a low around 55. Calm wind becoming west around 5 mph after midnight.

    Low: 55 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Sunny, with a high near 77. Light west wind.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 66.

    High: 66 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 40 percent chance of rain after 1am. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday

    Monday: A 40 percent chance of rain before 1pm. Mostly cloudy, with a high near 62.

    High: 62 °F

    Chance Rain

Detailed Forecast

Christmas Day
Sunny, with a high near 74. Calm wind becoming west 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 53. Light and variable wind.
Friday
A 20 percent chance of rain. Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 68. Calm wind becoming south southwest around 6 mph in the afternoon.
Friday Night
A 20 percent chance of rain before 1am. Partly cloudy, with a low around 55. Calm wind becoming west around 5 mph after midnight.
Saturday
Sunny, with a high near 77. Light west wind.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Mostly cloudy, with a high near 66.
Sunday Night
A 40 percent chance of rain after 1am. Mostly cloudy, with a low around 52.
Monday
A 40 percent chance of rain before 1pm. Mostly cloudy, with a high near 62.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Sunny, with a high near 46.
Tuesday Night
Clear, with a low around 25.
Wednesday
Sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Walhalla SC
 34.77°N 83.07°W (Elev. 997 ft)
Last Update:
6:05 am EST Dec 25, 2025
Forecast Valid:
7am EST Dec 25, 2025-6pm EST Dec 31, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation