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

72°F

22°C

Humidity 64%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 18 Apr 10:15 pm EDT
Extended Forecast for

Union SC

  • Tonight

    Tonight: Partly cloudy, with a low around 59. West southwest wind around 6 mph.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers between 9am and 11am.  Cloudy, then gradually becoming mostly sunny, with a high near 69. North wind 9 to 13 mph, with gusts as high as 28 mph.

    High: 69 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 44. North wind around 5 mph becoming calm  in the evening.

    Low: 44 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 73. Calm wind becoming west northwest 5 to 8 mph in the morning. Winds could gust as high as 18 mph.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 42. North wind around 5 mph becoming calm  in the evening.

    Low: 42 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 59. West southwest wind around 6 mph.
Sunday
A 20 percent chance of showers between 9am and 11am. Cloudy, then gradually becoming mostly sunny, with a high near 69. North wind 9 to 13 mph, with gusts as high as 28 mph.
Sunday Night
Clear, with a low around 44. North wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 73. Calm wind becoming west northwest 5 to 8 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
Clear, with a low around 42. North wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 56.
Friday
Mostly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 60.
Saturday
A 40 percent chance of showers. Mostly sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Union SC
 34.71°N 81.62°W (Elev. 600 ft)
9:00 pm EDT Apr 18, 2026
10pm EDT Apr 18, 2026-6pm EDT Apr 25, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database