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

Threats of Heavy Rainfall, Severe Thunderstorms and Dangerous Heat

Several complexes of thunderstorms, some severe with heavy rainfall, will impact areas from the northern Plains, Great Lakes, Ohio Valley to the mid-Atlantic. This threat will shift toward the Carolinas on Friday. Heavy rainfall, remnants of Edouard, continues for portions of eastern Texas through today. In-between these systems, a dome of high pressure and heat for central and eastern states. Read More >

Current conditions at

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Fair

90°F

32°C

Humidity 54%
Wind Speed Vrbl 3 mph
Barometer 30.10 in (1018.0 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 3 Sep 10:53 am EDT
Extended Forecast for

Donaldson Center Airport SC

  • Today

    Today: Sunny and hot, with a high near 95. Heat index values as high as 101. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 95 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 73. South southeast wind 5 to 7 mph becoming light and variable after midnight.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 96. Heat index values as high as 100. Southwest wind around 5 mph becoming calm.

    High: 96 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 74. South wind around 6 mph becoming west southwest after midnight.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 3pm. Sunny and hot, with a high near 95. West wind around 6 mph.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90.

    High: 90 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.

    Low: 68 °F

    Showers
    Likely

  • Labor Day

    Labor Day: A 30 percent chance of showers. Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny and hot, with a high near 95. Heat index values as high as 101. Calm wind becoming southeast around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 73. South southeast wind 5 to 7 mph becoming light and variable after midnight.
Friday
Sunny and hot, with a high near 96. Heat index values as high as 100. Southwest wind around 5 mph becoming calm.
Friday Night
Mostly clear, with a low around 74. South wind around 6 mph becoming west southwest after midnight.
Saturday
A 20 percent chance of showers and thunderstorms after 3pm. Sunny and hot, with a high near 95. West wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 72.
Sunday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90.
Sunday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.
Labor Day
A 30 percent chance of showers. Partly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Mostly sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Donaldson Center Airport SC
 34.77°N 82.38°W (Elev. 942 ft)
Last Update:
6:38 am EDT Sep 3, 2026
Forecast Valid:
11am EDT Sep 3, 2026-6pm EDT Sep 9, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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