National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Strong Storms and Heavy Rainfall Threats; Dangerous Heat for Southern Plains into the Southwest

Thunderstorms, some severe, will impact areas of the Plains into the Midwest today. Rainfall can be locally heavy as well from these storms with isolated instances of flash flooding. Monsoonal flow will enhance rainfall across the Four Corners into the central Rockies today. Meanwhile, summer heat continues for the southern Plains, Southwest into southern California. Read More >

Current conditions at

Greenville Spartanburg International Airport (KGSP)

Lat: 34.91°NLon: 82.21°WElev: 955ft.

Fair

84°F

29°C

Humidity 46%
Wind Speed N 5 mph
Barometer 30.04 in (1016.1 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 25 Aug 3:53 pm EDT
Extended Forecast for

Greer SC

  • Tonight

    Tonight: Mostly clear, with a low around 67. Light and variable wind.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 88. Light and variable wind becoming southeast around 6 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Light and variable wind. Chance of precipitation is 50%. 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

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 86. Calm wind becoming south southwest around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 69. Light south southwest wind. Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 84. Chance of precipitation is 80%.

    High: 84 °F

    Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

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

    Low: 68 °F

    Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 67. Light and variable wind.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 88. Light and variable wind becoming southeast around 6 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Light and variable wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 86. Calm wind becoming south southwest around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 69. Light south southwest wind. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 84. Chance of precipitation is 80%.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.
Saturday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 69.
Monday
Mostly sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 71.
Tuesday
Sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Greer SC
 34.94°N 82.25°W (Elev. 1004 ft)
Last Update:
3:13 pm EDT Aug 25, 2026
Forecast Valid:
4pm EDT Aug 25, 2026-6pm EDT Sep 1, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation