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

74°F

23°C

Humidity 91%
Wind Speed N 3 mph
Barometer 30.13 in (1019.2 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 30 Jun 5:53 am EDT
Extended Forecast for

Dunean SC

  • Today

    Today: Mostly sunny and hot, with a high near 95. Heat index values as high as 100. East wind 3 to 6 mph.

    High: 95 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 74. East northeast wind around 5 mph becoming calm  in the evening.

    Low: 74 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Patchy fog before 7am.  Otherwise, sunny and hot, with a high near 95. Heat index values as high as 100. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 95 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

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

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98. Calm wind becoming east southeast around 6 mph in the afternoon.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 74.

    Low: 74 °F

    Clear

  • Friday

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

    High: 97 °F

    Hot

  • Friday Night

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

    Low: 74 °F

    Mostly Clear

  • Independence Day

    Independence Day: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

Detailed Forecast

Today
Mostly sunny and hot, with a high near 95. Heat index values as high as 100. East wind 3 to 6 mph.
Tonight
Partly cloudy, with a low around 74. East northeast wind around 5 mph becoming calm in the evening.
Wednesday
Patchy fog before 7am. Otherwise, sunny and hot, with a high near 95. Heat index values as high as 100. Calm wind becoming east southeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 73. Southeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 98. Calm wind becoming east southeast around 6 mph in the afternoon.
Thursday Night
Clear, with a low around 74.
Friday
Sunny and hot, with a high near 97.
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 93. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Dunean SC
 34.81°N 82.43°W (Elev. 928 ft)
2:24 am EDT Jun 30, 2026
5am EDT Jun 30, 2026-6pm EDT Jul 6, 2026
 
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Additional Resources

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