Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

A Few Clouds

70°F

21°C

Humidity 90%
Wind Speed E 3 mph
Barometer 30.14 in (1019.6 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 29 Aug 3:53 am EDT
Extended Forecast for

Fountain Inn SC

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 1pm.  Patchy fog before 7am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 83. Northeast wind 3 to 7 mph.

    High: 83 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 69. East southeast wind around 5 mph becoming calm  in the evening.

    Low: 69 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 7am.  Otherwise, partly sunny, with a high near 86. Light and variable wind.

    High: 86 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Cloudy during the early evening, then gradual clearing, with a low around 68. Calm wind.

    Low: 68 °F

    Gradual
    Clearing

  • Monday

    Monday: Sunny, with a high near 90. Calm wind.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 7am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 83. Northeast wind 3 to 7 mph.
Tonight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 69. East southeast wind around 5 mph becoming calm in the evening.
Sunday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 86. Light and variable wind.
Sunday Night
Cloudy during the early evening, then gradual clearing, with a low around 68. Calm wind.
Monday
Sunny, with a high near 90. Calm wind.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
Sunny, with a high near 94.
Thursday Night
Mostly clear, with a low around 73.
Friday
Sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Fountain Inn SC
 34.68°N 82.2°W (Elev. 850 ft)
2:23 am EDT Aug 29, 2026
4am EDT Aug 29, 2026-6pm EDT Sep 4, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database