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

Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather from the Southern Plains to the Great Lakes

Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over CNMI and tropical storm conditions over Guam. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes today. Read More >

Current conditions at

Union County Airport - Troy Shelton Field (K35A)

Lat: 34.69°NLon: 81.64°WElev: 610ft.

Fair

85°F

29°C

Humidity 31%
Wind Speed W 13 G 17 mph
Barometer 30.14 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 14 Apr 5:35 pm EDT
Extended Forecast for

Union SC

  • Tonight

    Tonight: Mostly clear, with a low around 60. Southwest wind 3 to 7 mph.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. Calm wind becoming west southwest 5 to 8 mph in the morning.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 61. Light southwest wind.

    Low: 61 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 89. Light south southwest wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. Southwest wind 3 to 5 mph.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 60. Southwest wind 3 to 7 mph.
Wednesday
Sunny, with a high near 89. Calm wind becoming west southwest 5 to 8 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 61. Light southwest wind.
Thursday
Sunny, with a high near 89. Light south southwest wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Thursday Night
Mostly clear, with a low around 62. Southwest wind 3 to 5 mph.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 62.
Saturday
Mostly sunny, with a high near 93.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Union SC
 34.71°N 81.62°W (Elev. 600 ft)
Last Update:
2:24 pm EDT Apr 14, 2026
Forecast Valid:
5pm EDT Apr 14, 2026-6pm EDT Apr 21, 2026
 
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