Severe Thunderstorms and Heavy Rain Across the Ohio Valley;

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Current conditions at

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Fair

72°F

22°C

Humidity 87%
Wind Speed Calm
Barometer 30.13 in (1019.3 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 11 Aug 7:53 am EDT
Extended Forecast for

Gantt SC

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Increasing clouds and hot, with a high near 95. Heat index values as high as 101. Calm wind becoming west around 6 mph in the afternoon.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 73. West wind 5 to 8 mph.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 96. Heat index values as high as 104. West wind 3 to 7 mph.

    High: 96 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 74. West southwest wind 5 to 7 mph becoming calm  after midnight.

    Low: 74 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 98. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 95.

    High: 95 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Increasing clouds and hot, with a high near 95. Heat index values as high as 101. Calm wind becoming west around 6 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Partly cloudy, with a low around 73. West wind 5 to 8 mph.
Wednesday
Mostly sunny and hot, with a high near 96. Heat index values as high as 104. West wind 3 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 74. West southwest wind 5 to 7 mph becoming calm after midnight.
Thursday
Mostly sunny and hot, with a high near 98. Calm wind becoming west southwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 76.
Friday
Mostly sunny and hot, with a high near 98.
Friday Night
Partly cloudy, with a low around 76.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74.
Sunday
Mostly sunny and hot, with a high near 95.
Sunday Night
Partly cloudy, with a low around 75.
Monday
Mostly sunny and hot, with a high near 98.
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ABOUT THIS FORECAST

 
Point Forecast:
Gantt SC
 34.79°N 82.41°W (Elev. 919 ft)
2:23 am EDT Aug 11, 2026
8am EDT Aug 11, 2026-6pm EDT Aug 17, 2026
 
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Additional Resources

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Hourly Weather Forecast

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