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

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Fair

73°F

23°C

Humidity 51%
Wind Speed SE 3 mph
Barometer 30.22 in (1022.8 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 24 Dec 1:53 pm EST
Extended Forecast for

Donaldson Center Airport SC

  • This Afternoon

    This Afternoon: Sunny, with a high near 74. South wind 3 to 6 mph.

    High: 74 °F

    Sunny

  • Tonight

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

    Low: 53 °F

    Mostly Cloudy

  • Christmas Day

    Christmas Day: Patchy fog between 8am and 9am. Otherwise, mostly sunny, with a high near 73. Light west southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 18 mph.

    High: 73 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. West wind 5 to 9 mph.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of rain between 9am and 1pm. Partly sunny, with a high near 66. North northeast wind 6 to 10 mph becoming south southwest in the afternoon. Chance of precipitation is 20%.

    High: 66 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 66.

    High: 66 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 74. South wind 3 to 6 mph.
Tonight
Mostly cloudy, with a low around 53. Light and variable wind.
Christmas Day
Patchy fog between 8am and 9am. Otherwise, mostly sunny, with a high near 73. Light west southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 53. West wind 5 to 9 mph.
Friday
A slight chance of rain between 9am and 1pm. Partly sunny, with a high near 66. North northeast wind 6 to 10 mph becoming south southwest in the afternoon. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Mostly cloudy, with a high near 66.
Sunday Night
Mostly cloudy, with a low around 51.
Monday
Partly sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Donaldson Center Airport SC
 34.77°N 82.38°W (Elev. 942 ft)
Last Update:
12:18 pm EST Dec 24, 2025
Forecast Valid:
2pm EST Dec 24, 2025-6pm EST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation