Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Current conditions at

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Partly Cloudy

91°F

33°C

Humidity 45%
Wind Speed Vrbl 3 mph
Barometer 29.95 in (1013.1 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 18 Aug 3:53 pm EDT
Extended Forecast for

Greenville Downtown Airport SC

  • Tonight

    Tonight: Mostly clear, with a low around 73. North wind 5 to 8 mph.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. North northeast wind 3 to 8 mph.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 96. Calm wind becoming west around 6 mph in the afternoon.

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms between 11pm and 2am, then a slight chance of showers.  Partly cloudy, with a low around 73. Northwest wind around 6 mph becoming east northeast in the evening.  Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 92. Chance of precipitation is 40%.

    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

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 73. North wind 5 to 8 mph.
Wednesday
Sunny, with a high near 94. North northeast wind 3 to 8 mph.
Wednesday Night
Mostly clear, with a low around 73. Northeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 96. Calm wind becoming west around 6 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms between 11pm and 2am, then a slight chance of showers. Partly cloudy, with a low around 73. Northwest wind around 6 mph becoming east northeast in the evening. Chance of precipitation is 30%.
Friday
A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 40%.
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. Mostly sunny, with a high near 90.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69.
Sunday
Sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 67.
Monday
Sunny, with a high near 91.
Monday Night
Mostly clear, with a low around 69.
Tuesday
Sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Greenville Downtown Airport SC
 34.85°N 82.35°W (Elev. 1073 ft)
2:23 pm EDT Aug 18, 2026
4pm EDT Aug 18, 2026-6pm EDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database