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

94°F

34°C

Humidity 46%
Wind Speed NE 9 mph
Barometer 30.08 in (1017.1 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 3 Sep 1:53 pm EDT
Extended Forecast for

Gantt SC

  • This Afternoon

    This Afternoon: Sunny and hot, with a high near 96. Heat index values as high as 102. Southeast wind 3 to 5 mph.

    High: 96 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 73. South southeast wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 96. Heat index values as high as 102. Light and variable wind.

    High: 96 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. South wind around 5 mph becoming light and variable in the evening.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 3pm. Sunny and hot, with a high near 97. West wind 3 to 5 mph.

    High: 97 °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 91.

    High: 91 °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 84.

    High: 84 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 96. Heat index values as high as 102. Southeast wind 3 to 5 mph.
Tonight
Mostly clear, with a low around 73. South southeast wind around 5 mph becoming calm in the evening.
Friday
Sunny and hot, with a high near 96. Heat index values as high as 102. Light and variable wind.
Friday Night
Mostly clear, with a low around 73. South wind around 5 mph becoming light and variable in the evening.
Saturday
A 20 percent chance of showers and thunderstorms after 3pm. Sunny and hot, with a high near 97. West wind 3 to 5 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 91.
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 84.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Mostly sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gantt SC
 34.79°N 82.38°W (Elev. 899 ft)
Last Update:
6:38 am EDT Sep 3, 2026
Forecast Valid:
1pm EDT Sep 3, 2026-6pm EDT Sep 9, 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