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

Union County Airport - Troy Shelton Field (K35A)

Lat: 34.69°NLon: 81.64°WElev: 610ft.

Fair

55°F

13°C

Humidity 90%
Wind Speed Calm
Barometer 30.26 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 24 Dec 10:55 pm EST
Extended Forecast for

Cross Keys SC

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Cloudy

  • Christmas Day

    Christmas Day: Sunny, with a high near 75. Calm wind becoming west southwest 5 to 8 mph in the morning.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 68. Calm wind becoming south around 6 mph in the morning.

    High: 68 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 53. Light west southwest wind.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °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 67.

    High: 67 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 52. Calm wind.
Christmas Day
Sunny, with a high near 75. Calm wind becoming west southwest 5 to 8 mph in the morning.
Thursday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 50. Calm wind.
Friday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 68. Calm wind becoming south around 6 mph in the morning.
Friday Night
Partly cloudy, with a low around 53. Light west southwest wind.
Saturday
Sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Mostly cloudy, with a high near 67.
Sunday Night
Mostly cloudy, with a low around 52.
Monday
Partly sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Sunny, with a high near 45.
Tuesday Night
Clear, with a low around 25.
Wednesday
Sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cross Keys SC
 34.63°N 81.77°W (Elev. 600 ft)
Last Update:
6:18 pm EST Dec 24, 2025
Forecast Valid:
11pm EST Dec 24, 2025-6pm EST Dec 31, 2025
 
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