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

Hazardous Weather Conditions

Current conditions at

Union County Airport - Troy Shelton Field (K35A)

Lat: 34.69°NLon: 81.64°WElev: 610ft.

Fair

30°C

86°F

Humidity 68%
Wind Speed N 6 km/h
Barometer 30.13 in
Dewpoint 23°C (74°F)
Visibility 16 km
Heat Index34°C (94°F)
Last update 13 Jul 12:35 pm EDT
Extended Forecast for

Union SC

  • This Afternoon

    This Afternoon: Sunny and hot, with a high near 35. Calm wind.

    High: 35 °C

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 22. Calm wind.

    Low: 22 °C

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 3pm. Increasing clouds and hot, with a high near 35. Heat index values as high as 38. Calm wind.

    High: 35 °C

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 5am, then a slight chance of showers. Mostly cloudy, with a low around 23. Calm wind. Chance of precipitation is 40%. New rainfall amounts between 2.5 and 5 mm possible.

    Low: 23 °C

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 33. Calm wind becoming southeast 5 to 8 km/h in the afternoon. Chance of precipitation is 60%.

    High: 33 °C

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.

    Low: 22 °C

    T-storms
    Likely then
    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 32. Chance of precipitation is 60%.

    High: 32 °C

    Chance
    Showers then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 22.

    Low: 22 °C

    Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 33.

    High: 33 °C

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 35. Calm wind.
Tonight
Mostly clear, with a low around 22. Calm wind.
Monday
A 20 percent chance of showers and thunderstorms after 3pm. Increasing clouds and hot, with a high near 35. Heat index values as high as 38. Calm wind.
Monday Night
A chance of showers and thunderstorms before 5am, then a slight chance of showers. Mostly cloudy, with a low around 23. Calm wind. Chance of precipitation is 40%. New rainfall amounts between 2.5 and 5 mm possible.
Tuesday
Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 33. Calm wind becoming southeast 5 to 8 km/h in the afternoon. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Wednesday
A chance of showers, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 32. Chance of precipitation is 60%.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 22.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 33.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 22.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 33.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 22.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 34.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Union SC
 34.73°N 81.62°W (Elev. 600 m)
Last Update:
6:23 am EDT Jul 13, 2025
Forecast Valid:
12pm EDT Jul 13, 2025-6pm EDT Jul 19, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation