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

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Union County Airport - Troy Shelton Field (K35A)

Lat: 34.69°NLon: 81.64°WElev: 610ft.

Fair

81°F

27°C

Humidity 79%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 22 Aug 7:15 pm EDT
Extended Forecast for

Jonesville SC

  • Tonight

    Tonight: Isolated showers and thunderstorms before 8pm, then isolated showers between 8pm and 9pm. Partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 20%.

    Low: 67 °F

    Isolated
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 89. Light north northwest wind.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 88. Calm wind.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers between 8pm and 2am. Partly cloudy, with a low around 68. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    Showers

Detailed Forecast

Tonight
Isolated showers and thunderstorms before 8pm, then isolated showers between 8pm and 9pm. Partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 89. Light north northwest wind.
Sunday Night
Mostly clear, with a low around 63. Calm wind.
Monday
Sunny, with a high near 88. Calm wind.
Monday Night
Mostly clear, with a low around 65. Calm wind.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 90.
Wednesday Night
A chance of showers between 8pm and 2am. Partly cloudy, with a low around 68. Chance of precipitation is 40%.
Thursday
Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jonesville SC
 34.85°N 81.69°W (Elev. 686 ft)
Last Update:
7:03 pm EDT Aug 22, 2026
Forecast Valid:
7pm EDT Aug 22, 2026-6pm EDT Aug 29, 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