Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

A Few Clouds

74°F

23°C

Humidity 91%
Wind Speed NW 3 mph
Barometer 30.01 in (1014.9 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 17 Aug 9:53 pm EDT
Extended Forecast for

3 Miles ESE Greenville Downtown Airport SC

  • Tonight

    Tonight: Partly cloudy, with a low around 74. West southwest wind 3 to 7 mph.

    Low: 74 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 95. North wind 5 to 7 mph.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72. North northeast wind around 8 mph.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 95. Heat index values as high as 100. North northeast wind around 6 mph becoming calm  in the afternoon.

    High: 95 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms before 2am.  Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 74. West southwest wind 3 to 7 mph.
Tuesday
Mostly sunny and hot, with a high near 95. North wind 5 to 7 mph.
Tuesday Night
Mostly clear, with a low around 72. North northeast wind around 8 mph.
Wednesday
Sunny and hot, with a high near 95. Heat index values as high as 100. North northeast wind around 6 mph becoming calm in the afternoon.
Wednesday Night
Mostly clear, with a low around 74. Calm wind.
Thursday
Sunny and hot, with a high near 96.
Thursday Night
Partly cloudy, with a low around 72.
Friday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92.
Friday Night
A 50 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Sunday
Sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 68.
Monday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Greenville Downtown Airport SC
 34.85°N 82.32°W (Elev. 1010 ft)
6:59 pm EDT Aug 17, 2026
10pm EDT Aug 17, 2026-6pm EDT Aug 24, 2026
 
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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