Heat Persists in the South Central U.S. and California; Heavy Rain in the Ohio Valley

Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley, as well as in the Southwest and California this week with limited nighttime relief. Heavy rainfall will lead to localized areas of flash flooding in parts of the Ohio Valley/Central Appalachians. Dry and breezy conditions will enhance fire weather concerns across the northern Rockies and High Plains. Read More >

Current conditions at

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Fair

83°F

28°C

Humidity 46%
Wind Speed S 5 mph
Barometer 30.17 in (1020.5 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 9 Sep 7:53 pm EDT
Extended Forecast for

2 Miles N Donaldson Center Airport SC

  • Tonight

    Tonight: Mostly clear, with a low around 68. South southeast wind around 5 mph becoming calm  in the evening.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 92. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 70. South southwest wind 3 to 7 mph.

    Low: 70 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Sunny, with a high near 93. Calm wind becoming southwest around 6 mph in the afternoon.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 71. South southwest wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 50%.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm.  High near 90. Chance of precipitation is 80%.

    High: 90 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday 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 70. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 89.

    High: 89 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 68. South southeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 92. Calm wind becoming southwest 5 to 9 mph in the morning.
Thursday Night
Mostly clear, with a low around 70. South southwest wind 3 to 7 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Sunny, with a high near 93. Calm wind becoming southwest around 6 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 90. Chance of precipitation is 80%.
Saturday 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 70. Chance of precipitation is 60%.
Sunday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70.
Monday
Sunny, with a high near 92.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 91.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 70.
Wednesday
Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Donaldson Center Airport SC
 34.79°N 82.35°W (Elev. 850 ft)
6:54 pm EDT Sep 9, 2026
8pm EDT Sep 9, 2026-6pm EDT Sep 16, 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