Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes

Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Numerous daily record highs and warm lows are likely. Read More >

Hazardous Weather Conditions

Current conditions at

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Mostly Cloudy

87°F

31°C

Humidity 51%
Wind Speed NA
Barometer 30.21 in (1021.7 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 21 Jun 12:53 pm EDT
Extended Forecast for

Donaldson Center Airport SC

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 91. South southeast wind 3 to 5 mph.

    High: 91 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 70. Light southeast wind.

    Low: 70 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 93. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. South wind around 5 mph becoming calm  in the evening.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94. Light and variable wind.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Wednesday

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

    High: 96 °F

    Hot

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 91. South southeast wind 3 to 5 mph.
Tonight
Partly cloudy, with a low around 70. Light southeast wind.
Sunday
Sunny, with a high near 93. Calm wind becoming south southeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 72. South wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 94. Light and variable wind.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
Sunny and hot, with a high near 96.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
Sunny and hot, with a high near 96.
Thursday Night
Mostly clear, with a low around 73.
Friday
Sunny and hot, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
Donaldson Center Airport SC
 34.74°N 82.36°W (Elev. 892 ft)
1:30 pm EDT Jun 21, 2025
1pm EDT Jun 21, 2025-6pm EDT Jun 27, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database