Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

Union County Airport - Troy Shelton Field (K35A)

Lat: 34.69°NLon: 81.64°WElev: 610ft.

Fair

88°F

31°C

Humidity 28%
Wind Speed SW 8 mph
Barometer 30.09 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 15 Apr 4:15 pm EDT
Extended Forecast for

Union SC

  • Tonight

    Tonight: Mostly clear, with a low around 60. Southwest wind around 6 mph becoming calm  in the evening.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87. Calm wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 89. Light west northwest wind.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers before 2pm.  Mostly cloudy, with a high near 75.

    High: 75 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 60. Southwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 87. Calm wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 62. Southwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 89. Light west northwest wind.
Friday Night
Mostly clear, with a low around 61. Calm wind.
Saturday
Mostly sunny, with a high near 91.
Saturday Night
Mostly cloudy, with a low around 60.
Sunday
A 30 percent chance of showers before 2pm. Mostly cloudy, with a high near 75.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Union SC
 34.73°N 81.64°W (Elev. 600 ft)
2:24 pm EDT Apr 15, 2026
4pm EDT Apr 15, 2026-6pm EDT Apr 22, 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