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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Current conditions at

Union County Airport - Troy Shelton Field (K35A)

Lat: 34.69°NLon: 81.64°WElev: 610ft.

Fair

57°F

14°C

Humidity 36%
Wind Speed W 6 mph
Barometer 29.96 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 1 Jan 12:55 pm EST
Extended Forecast for

Union SC

  • New Year's Day

    New Year's Day: Sunny, with a high near 57. West southwest wind 3 to 6 mph.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 40. Calm wind becoming west southwest around 6 mph in the evening.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 60. Southwest wind around 6 mph.

    High: 60 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Rain likely, mainly after 3am. Cloudy, with a low around 45. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Cloudy then
    Rain Likely

  • Saturday

    Saturday: Rain, mainly before 5pm. High near 50. Calm wind becoming northeast around 6 mph in the morning. Chance of precipitation is 90%.

    High: 50 °F

    Rain

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly before 7pm. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

Detailed Forecast

New Year's Day
Sunny, with a high near 57. West southwest wind 3 to 6 mph.
Tonight
Mostly clear, with a low around 40. Calm wind becoming west southwest around 6 mph in the evening.
Friday
Increasing clouds, with a high near 60. Southwest wind around 6 mph.
Friday Night
Rain likely, mainly after 3am. Cloudy, with a low around 45. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain, mainly before 5pm. High near 50. Calm wind becoming northeast around 6 mph in the morning. Chance of precipitation is 90%.
Saturday Night
A 30 percent chance of rain, mainly before 7pm. Mostly cloudy, with a low around 36.
Sunday
Sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Mostly sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Mostly sunny, with a high near 62.
Tuesday Night
Mostly cloudy, with a low around 47.
Wednesday
Mostly cloudy, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Union SC
 34.71°N 81.62°W (Elev. 600 ft)
Last Update:
12:18 pm EST Jan 1, 2026
Forecast Valid:
1pm EST Jan 1, 2026-6pm EST Jan 7, 2026
 
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Additional Resources

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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