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

Heavy Rain and Thunderstorms in the Plains; Snow in the Northern Rockies; Heavy Rain in Guam

A storm system moving over the Rockies today will bring marginal risks for excessive rainfall and severe thunderstorms from parts of New Mexico into western South Dakota. Heavy snow expected from northwestern Wyoming into southern Montana. Ongoing heavy showers and thunderstorms from Invest 96W could result in localized flash flooding, particularly in central or southern Guam early this morning. Read More >

Current conditions at

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Fair

70°F

21°C

Humidity 57%
Wind Speed E 6 mph
Barometer 30.13 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 15 Oct 10:53 am EDT
Extended Forecast for

Gantt SC

  • Today

    Today: Sunny, with a high near 80. Light north northeast wind.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 55. Calm wind becoming north northeast around 5 mph after midnight.

    Low: 55 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 76. East northeast wind 5 to 7 mph.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 49. Light northeast wind.

    Low: 49 °F

    Clear

  • Friday

    Friday: Mostly sunny, with a high near 73. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers after 11am. Partly sunny, with a high near 73.

    High: 73 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 80. Light north northeast wind.
Tonight
Clear, with a low around 55. Calm wind becoming north northeast around 5 mph after midnight.
Thursday
Sunny, with a high near 76. East northeast wind 5 to 7 mph.
Thursday Night
Clear, with a low around 49. Light northeast wind.
Friday
Mostly sunny, with a high near 73. Calm wind becoming south southwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
A 40 percent chance of showers after 11am. Partly sunny, with a high near 73.
Sunday Night
A 30 percent chance of showers before 9pm. Partly cloudy, with a low around 48.
Monday
Sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gantt SC
 34.79°N 82.41°W (Elev. 919 ft)
Last Update:
6:04 am EDT Oct 15, 2025
Forecast Valid:
11am EDT Oct 15, 2025-6pm EDT Oct 21, 2025
 
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