River Flooding Continues in East Florida; Rain and Thunderstorms from the Mid-Atlantic to the Northeast Thursday; Heavy Rain in Puerto Rico

Significant river flooding is forecast along the St. John’s and the Peace rivers through the end of the week as flood waters will be slow to recede. Periods of rainfall and thunderstorms are expected across the Lower Great Lakes, Central Appalachians, Mid-Atlantic and Northeast Thursday and Friday. In Puerto Rico, increased moisture in the Atlantic will produce heavy rainfall for the island. Read More >

Current conditions at

Union County Airport - Troy Shelton Field (K35A)

Lat: 34.69°NLon: 81.64°WElev: 610ft.

Rain

69°F

21°C

Humidity 93%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 4 Nov 11:55 pm EST
Extended Forecast for

Union SC

  • Overnight

    Overnight: Rain likely, mainly before 4am.  Patchy fog after 4am.  Otherwise, cloudy, with a low around 64. South wind 6 to 8 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 64 °F

    Rain Likely
    and Patchy
    Fog

  • Thursday

    Thursday: A 30 percent chance of rain and thunderstorms, mainly before 3pm.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 76. South southwest wind 3 to 6 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Patchy Fog
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A slight chance of rain between 2am and 4am, then a slight chance of rain and thunderstorms after 4am.  Mostly cloudy, with a low around 60. Calm wind.  Chance of precipitation is 20%.

    Low: 60 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A chance of rain and thunderstorms before 7am, then a chance of rain between 7am and 1pm.  Cloudy through mid morning, then gradual clearing, with a high near 74. Calm wind.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Chance Rain

  • Friday Night

    Friday Night: Mostly clear, with a low around 50. Light north wind.

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Overnight
Rain likely, mainly before 4am. Patchy fog after 4am. Otherwise, cloudy, with a low around 64. South wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 30 percent chance of rain and thunderstorms, mainly before 3pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 76. South southwest wind 3 to 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A slight chance of rain between 2am and 4am, then a slight chance of rain and thunderstorms after 4am. Mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 20%.
Friday
A chance of rain and thunderstorms before 7am, then a chance of rain between 7am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 74. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Mostly clear, with a low around 50. Light north wind.
Saturday
Sunny, with a high near 69.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 43.
Veterans Day
Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Union SC
 34.73°N 81.62°W (Elev. 600 ft)
5:33 pm EST Nov 4, 2026
12am EST Nov 5, 2026-6pm EST Nov 11, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database