Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Union County Airport - Troy Shelton Field (K35A)

Lat: 34.69°NLon: 81.64°WElev: 610ft.

Fair

54°F

12°C

Humidity 94%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 18 Apr 7:35 am EDT
Extended Forecast for

Union SC

  • Today

    Today: Sunny, with a high near 90. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 61. South southwest wind 3 to 5 mph.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before noon.  Cloudy, then gradually becoming mostly sunny, with a high near 68. North wind 9 to 11 mph, with gusts as high as 23 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44. North northwest wind around 5 mph becoming calm  after midnight.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 73. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 90. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tonight
Partly cloudy, with a low around 61. South southwest wind 3 to 5 mph.
Sunday
A 30 percent chance of showers, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a high near 68. North wind 9 to 11 mph, with gusts as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Mostly clear, with a low around 44. North northwest wind around 5 mph becoming calm after midnight.
Monday
Sunny, with a high near 73. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Monday Night
Clear, with a low around 42.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Union SC
 34.71°N 81.62°W (Elev. 600 ft)
6:25 am EDT Apr 18, 2026
7am EDT Apr 18, 2026-6pm EDT Apr 24, 2026
 
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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