Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Current conditions at

Greenville Spartanburg International Airport (KGSP)

Lat: 34.91°NLon: 82.21°WElev: 955ft.

Mostly Cloudy

74°F

23°C

Humidity 76%
Wind Speed NE 7 mph
Barometer 30.11 in (1018.4 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 26 Aug 9:53 am EDT
Extended Forecast for

Glassy Mountain SC

  • Today

    Today: A slight chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 85. Northeast wind around 6 mph becoming south in the afternoon.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly between 4am and 5am.  Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 69. Calm wind.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 3pm.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am.  Mostly cloudy, with a low around 68. Calm wind.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm.  High near 83. Light and variable wind.  Chance of precipitation is 80%.

    High: 83 °F

    Slight Chance
    T-storms then
    Showers

  • Friday Night

    Friday Night: Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am.  Low around 67. Chance of precipitation is 80%.

    Low: 67 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 68. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Northeast wind around 6 mph becoming south in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 40 percent chance of showers and thunderstorms, mainly between 4am and 5am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 69. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 83. Light and variable wind. Chance of precipitation is 80%.
Friday Night
Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am. Low around 67. Chance of precipitation is 80%.
Saturday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82.
Saturday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Sunday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69.
Monday
Mostly sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Glassy Mountain SC
 35.12°N 82.32°W (Elev. 1299 ft)
6:14 am EDT Aug 26, 2026
10am EDT Aug 26, 2026-6pm EDT Sep 1, 2026
 
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Additional Resources

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