Extreme Fire Weather Concerns for the Western U.S.; Severe Weather and Flooding Threats for the Central U.S.

Extremely critical fire weather conditions are expected to develop across the Great Basin and Southwest today, and exceptionally dry and windy conditions will promote rapid wildfire spread through the weekend. Scattered severe thunderstorms and heavy rain are possible across parts of the Ozark Plateau into lower Ohio Valley and parts of the northern Rockies into adjacent Great Plains. Read More >

Current conditions at

Union County Airport - Troy Shelton Field (K35A)

Lat: 34.69°NLon: 81.64°WElev: 610ft.

Thunderstorm Haze and Windy

85°F

29°C

Humidity 62%
Wind Speed W 30 G 49 mph
Barometer 30.14 in
Dewpoint 71°F (22°C)
Visibility 5.00 mi
Heat Index90°F (32°C)
Last update 27 Jun 4:50 pm EDT
Extended Forecast for

Union SC

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 7pm.  Partly cloudy, with a low around 73. West southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 73 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 4pm.  Partly sunny, with a high near 92. West wind 3 to 6 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 93. Light northeast wind.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 73. West southwest wind 5 to 7 mph becoming calm in the evening.
Sunday
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 4pm. Partly sunny, with a high near 92. West wind 3 to 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Partly cloudy, with a low around 73. Calm wind.
Monday
Sunny, with a high near 93. Light northeast wind.
Monday Night
Partly cloudy, with a low around 73. Calm wind.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
Sunny and hot, with a high near 95.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
Sunny and hot, with a high near 98.
Thursday Night
Mostly clear, with a low around 75.
Friday
Sunny and hot, with a high near 101.
Friday Night
Mostly clear, with a low around 76.
Independence Day
Sunny and hot, with a high near 99.
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ABOUT THIS FORECAST

 
Point Forecast:
Union SC
 34.71°N 81.62°W (Elev. 600 ft)
2:58 pm EDT Jun 27, 2026
6pm EDT Jun 27, 2026-6pm EDT Jul 4, 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