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

53°F

12°C

Humidity 100%
Wind Speed Calm
Barometer 30.18 in (1021.4 mb)
Dewpoint 53°F (12°C)
Visibility 9.00 mi
Last update 25 Dec 3:54 am EST
Extended Forecast for

3 Miles NNE Mountain Rest SC

  • Christmas Day

    Christmas Day: Sunny, with a high near 68. Calm wind becoming west northwest around 5 mph.

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 52. Light and variable wind.

    Low: 52 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: A 20 percent chance of rain. Mostly cloudy, with a high near 61. Light and variable wind.

    High: 61 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 54. Calm wind becoming west around 5 mph after midnight.

    Low: 54 °F

    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 70. Light and variable wind.

    High: 70 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 60.

    High: 60 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 50 percent chance of rain after 1am. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday

    Monday: A 40 percent chance of rain before 1pm. Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance Rain

Detailed Forecast

Christmas Day
Sunny, with a high near 68. Calm wind becoming west northwest around 5 mph.
Tonight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 52. Light and variable wind.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 61. Light and variable wind.
Friday Night
A 30 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 54. Calm wind becoming west around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 70. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly cloudy, with a high near 60.
Sunday Night
A 50 percent chance of rain after 1am. Mostly cloudy, with a low around 48.
Monday
A 40 percent chance of rain before 1pm. Mostly cloudy, with a high near 55.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Sunny, with a high near 40.
Tuesday Night
Clear, with a low around 23.
Wednesday
Sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Mountain Rest SC
 34.91°N 83.14°W (Elev. 2280 ft)
Last Update:
12:18 am EST Dec 25, 2025
Forecast Valid:
4am EST Dec 25, 2025-6pm EST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation