Extreme Heat and Fire Weather Conditions in the West; Severe Thunderstorm Threat in the Northern Plains on Thursday

Extreme heat will may set some new daily temperature records across the Desert Southwest. Hot, dry and windy conditions and dry thunderstorms continue to bring fire weather concerns for portions of the Desert Southwest, the central Great Basin and Rockies. Severe thunderstorms and heavy rain are expected across the Northern Plains late Thursday. Read More >

Current conditions at

Greenville Spartanburg International Airport (KGSP)

Lat: 34.91°NLon: 82.21°WElev: 955ft.

Overcast

67°F

19°C

Humidity 87%
Wind Speed N 6 mph
Barometer 30.26 in (1023.5 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 7 Aug 4:53 am EDT
Extended Forecast for

Duncan SC

  • Today

    Today: Partly sunny, with a high near 78. Northeast wind around 9 mph.

    High: 78 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 66. North northeast wind around 6 mph.

    Low: 66 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 79. Northeast wind around 9 mph.

    High: 79 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 66. North northeast wind 5 to 7 mph.

    Low: 66 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 81. East northeast wind 7 to 9 mph.

    High: 81 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms.  Mostly cloudy, with a low around 68. Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers before noon, then a chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 82. Chance of precipitation is 40%.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Partly sunny, with a high near 78. Northeast wind around 9 mph.
Tonight
Mostly cloudy, with a low around 66. North northeast wind around 6 mph.
Friday
Partly sunny, with a high near 79. Northeast wind around 9 mph.
Friday Night
Mostly cloudy, with a low around 66. North northeast wind 5 to 7 mph.
Saturday
Mostly cloudy, with a high near 81. East northeast wind 7 to 9 mph.
Saturday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 20%.
Sunday
A 30 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 81.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Monday
A chance of showers before noon, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and midnight. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Duncan SC
 34.95°N 82.14°W (Elev. 869 ft)
5:37 am EDT Aug 7, 2025
5am EDT Aug 7, 2025-6pm EDT Aug 13, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database