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

79°F

26°C

Humidity 42%
Wind Speed Calm
Barometer 30.03 in (1016.2 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 15 Oct 2:53 pm EDT
Extended Forecast for

Fountain Inn SC

  • Tonight

    Tonight: Clear, with a low around 54. Calm wind becoming north northeast around 6 mph after midnight.

    Low: 54 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 75. Northeast wind 6 to 8 mph.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 47. East southeast wind around 5 mph becoming light and variable in the evening.

    Low: 47 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 74. Light and variable wind becoming south around 5 mph in the afternoon.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49. Light south southwest wind.

    Low: 49 °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 56.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before midnight. Partly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers then
    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 54. Calm wind becoming north northeast around 6 mph after midnight.
Thursday
Sunny, with a high near 75. Northeast wind 6 to 8 mph.
Thursday Night
Clear, with a low around 47. East southeast wind around 5 mph becoming light and variable in the evening.
Friday
Sunny, with a high near 74. Light and variable wind becoming south around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 49. Light south southwest wind.
Saturday
Sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Partly sunny, with a high near 74.
Sunday Night
A 30 percent chance of showers before midnight. Partly cloudy, with a low around 47.
Monday
Sunny, with a high near 71.
Monday Night
Clear, with a low around 45.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fountain Inn SC
 34.68°N 82.2°W (Elev. 850 ft)
Last Update:
1:19 pm EDT Oct 15, 2025
Forecast Valid:
3pm EDT Oct 15, 2025-6pm EDT Oct 22, 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