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

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Union County Airport - Troy Shelton Field (K35A)

Lat: 34.69°NLon: 81.64°WElev: 610ft.

Fair

92°F

33°C

Humidity 51%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 17 Aug 5:55 pm EDT
Extended Forecast for

4 Miles SSW Lockhart SC

  • Tonight

    Tonight: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94. Calm wind.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms between 8pm and midnight. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 87. Light northeast wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 72. Calm wind.
Monday
Sunny, with a high near 94. Calm wind.
Monday Night
A slight chance of showers and thunderstorms between 8pm and midnight. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 20%.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 87. Light northeast wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Partly cloudy, with a low around 70. Calm wind.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 40%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Lockhart SC
 34.74°N 81.48°W (Elev. 387 ft)
Last Update:
1:29 pm EDT Aug 17, 2025
Forecast Valid:
5pm EDT Aug 17, 2025-6pm EDT Aug 24, 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