Dangerous Heat in the Central and Eastern U.S.; Critical Fire Weather in the Great Basin and Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue Tuesday across portions of the Four Corners and Great Basin, as dry conditions and gusty winds persist. Read More >

Current conditions at

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

A Few Clouds

78°F

26°C

Humidity 82%
Wind Speed NE 8 mph
Barometer 30.13 in (1018.9 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 30 Jun 2:53 am EDT
Extended Forecast for

Greenville SC

  • Overnight

    Overnight: Partly cloudy, with a low around 74. Light northeast wind.

    Low: 74 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 95. Heat index values as high as 101. Northeast wind 3 to 6 mph.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 74. Light and variable wind.

    Low: 74 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Patchy fog before 7am.  Otherwise, sunny and hot, with a high near 96. Heat index values as high as 101. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 96 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 75.

    Low: 75 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 74. Light northeast wind.
Tuesday
Mostly sunny and hot, with a high near 95. Heat index values as high as 101. Northeast wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 74. Light and variable wind.
Wednesday
Patchy fog before 7am. Otherwise, sunny and hot, with a high near 96. Heat index values as high as 101. Calm wind becoming east southeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 74. Southeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 98.
Thursday Night
Clear, with a low around 75.
Friday
Sunny and hot, with a high near 98.
Friday Night
Mostly clear, with a low around 74.
Independence Day
Sunny and hot, with a high near 97.
Saturday Night
Partly cloudy, with a low around 74.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Monday
Showers and thunderstorms likely. Mostly sunny, with a high near 94. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Greenville SC
 34.83°N 82.38°W (Elev. 883 ft)
2:24 am EDT Jun 30, 2026
3am EDT Jun 30, 2026-6pm EDT Jul 6, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database