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

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Fair

70°F

21°C

Humidity 90%
Wind Speed Calm
Barometer 29.97 in (1013.7 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 23 Aug 6:53 am EDT
Extended Forecast for

Mauldin SC

  • Today

    Today: Sunny, with a high near 89. Calm wind becoming north around 5 mph in the afternoon.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. North northeast wind around 6 mph.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 88. North northeast wind around 5 mph becoming calm.

    High: 88 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. Calm wind becoming north northeast around 6 mph after midnight.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. East northeast wind 5 to 9 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms before 2am.  Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm, mainly after 2pm.  Partly sunny, with a high near 87. Chance of precipitation is 60%.

    High: 87 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 89. Calm wind becoming north around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 64. North northeast wind around 6 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 88. North northeast wind around 5 mph becoming calm.
Monday Night
Mostly clear, with a low around 65. Calm wind becoming north northeast around 6 mph after midnight.
Tuesday
Sunny, with a high near 89. East northeast wind 5 to 9 mph.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Mostly sunny, with a high near 91.
Wednesday Night
A 50 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 69.
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 before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 89.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 69.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Mauldin SC
 34.8°N 82.3°W (Elev. 909 ft)
6:19 am EDT Aug 23, 2026
6am EDT Aug 23, 2026-6pm EDT Aug 29, 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