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

89°F

32°C

Humidity 53%
Wind Speed S 8 mph
Barometer 30.12 in (1018.6 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 11 Aug 12:53 pm EDT
Extended Forecast for

Slater-Marietta SC

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm.  Mostly sunny, with a high near 94. Heat index values as high as 102. Light southwest wind.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 94 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 7pm and 8pm.  Partly cloudy, with a low around 71. West wind around 5 mph becoming calm  in the evening.  New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 95. Heat index values as high as 104. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 95 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 72. West wind around 5 mph becoming calm  in the evening.

    Low: 72 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 96. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Mostly sunny, with a high near 94. Heat index values as high as 102. Light southwest wind. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 7pm and 8pm. Partly cloudy, with a low around 71. West wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly sunny and hot, with a high near 95. Heat index values as high as 104. Calm wind becoming west southwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 72. West wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny and hot, with a high near 96. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 73.
Friday
Mostly sunny and hot, with a high near 97.
Friday Night
Partly cloudy, with a low around 74.
Saturday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 94.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Monday
Mostly sunny and hot, with a high near 97.
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ABOUT THIS FORECAST

 
Point Forecast:
Slater-Marietta SC
 35.02°N 82.49°W (Elev. 988 ft)
2:23 am EDT Aug 11, 2026
1pm EDT Aug 11, 2026-6pm EDT Aug 17, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database