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.

Partly Cloudy

89°F

32°C

Humidity 45%
Wind Speed SW 7 mph
Barometer 30.14 in (1019.6 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 21 Jun 5:53 pm EDT
Extended Forecast for

4 Miles E Slater-Marietta SC

  • Tonight

    Tonight: Partly cloudy, with a low around 69. Light and variable wind.

    Low: 69 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 93. Calm wind.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 72. Light and variable wind.

    Low: 72 °F

    Mostly Clear

  • Tuesday

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

    High: 96 °F

    Hot

  • Tuesday Night

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

    Low: 72 °F

    Mostly Clear

  • Wednesday

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

    High: 96 °F

    Hot

  • Wednesday Night

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

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 69. Light and variable wind.
Sunday
Sunny, with a high near 93. Calm wind.
Sunday Night
Mostly clear, with a low around 71. Calm wind.
Monday
Sunny, with a high near 94. Calm wind becoming south southeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 72. Light and variable wind.
Tuesday
Sunny and hot, with a high near 96.
Tuesday Night
Mostly clear, with a low around 72.
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 97.
Thursday Night
Mostly clear, with a low around 72.
Friday
Sunny and hot, with a high near 96.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Slater-Marietta SC
 35.04°N 82.43°W (Elev. 1099 ft)
5:19 pm EDT Jun 21, 2025
6pm EDT Jun 21, 2025-6pm EDT Jun 28, 2025
 
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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