Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

Current conditions at

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Fair

78°F

26°C

Humidity 76%
Wind Speed Calm
Barometer 30.17 in (1020.6 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 30 Aug 11:53 pm EDT
Extended Forecast for

Dunean SC

  • Overnight

    Overnight: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 8am.  Otherwise, sunny, with a high near 93. Light and variable wind.

    High: 93 °F

    Patchy Fog
    then Sunny

  • Monday Night

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

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: Patchy fog before 8am.  Otherwise, sunny and hot, with a high near 95. Heat index values as high as 101. Light and variable wind.

    High: 95 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

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

    Low: 72 °F

    Mostly Clear

  • Wednesday

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

    High: 96 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Thursday

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

    High: 97 °F

    Hot

  • Thursday Night

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

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 70. Calm wind.
Monday
Patchy fog before 8am. Otherwise, sunny, with a high near 93. Light and variable wind.
Monday Night
Mostly clear, with a low around 71. Calm wind.
Tuesday
Patchy fog before 8am. Otherwise, sunny and hot, with a high near 95. Heat index values as high as 101. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 72. Light and variable wind.
Wednesday
Sunny and hot, with a high near 96.
Wednesday Night
Partly cloudy, with a low around 73.
Thursday
Sunny and hot, with a high near 97.
Thursday Night
Mostly clear, with a low around 73.
Friday
Sunny and hot, with a high near 97.
Friday Night
Partly cloudy, with a low around 72.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Dunean SC
 34.81°N 82.43°W (Elev. 928 ft)
7:03 pm EDT Aug 30, 2026
12am EDT Aug 31, 2026-6pm EDT Sep 6, 2026
 
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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