Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

Greenville Spartanburg International Airport (KGSP)

Lat: 34.91°NLon: 82.21°WElev: 955ft.

Overcast

74°F

23°C

Humidity 46%
Wind Speed SW 10 mph
Barometer 30.02 in (1015.8 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 25 Dec 4:53 pm EST
Extended Forecast for

2 Miles NNW Glassy Mountain SC

  • Tonight

    Tonight: Mostly clear, with a low around 49. Northwest wind 6 to 8 mph.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of rain before 1pm.  Patchy fog before 10am.  Otherwise, mostly cloudy, with a high near 53. East northeast wind around 7 mph becoming south southwest in the afternoon.

    High: 53 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. Southwest wind 8 to 10 mph becoming west northwest after midnight.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 66. Northwest wind 5 to 9 mph becoming light and variable  in the afternoon.

    High: 66 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50. West northwest wind 5 to 9 mph becoming northeast after midnight.

    Low: 50 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 54. Breezy.

    Low: 54 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Monday

    Monday: A chance of rain before 7am, then a chance of showers between 7am and 4pm.  Mostly cloudy, with a high near 56. Breezy.  Chance of precipitation is 50%.

    High: 56 °F

    Chance Rain
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27. Blustery.

    Low: 27 °F

    Partly Cloudy
    and Blustery

Detailed Forecast

Tonight
Mostly clear, with a low around 49. Northwest wind 6 to 8 mph.
Friday
A 20 percent chance of rain before 1pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 53. East northeast wind around 7 mph becoming south southwest in the afternoon.
Friday Night
Partly cloudy, with a low around 51. Southwest wind 8 to 10 mph becoming west northwest after midnight.
Saturday
Sunny, with a high near 66. Northwest wind 5 to 9 mph becoming light and variable in the afternoon.
Saturday Night
Partly cloudy, with a low around 50. West northwest wind 5 to 9 mph becoming northeast after midnight.
Sunday
Mostly cloudy, with a high near 54.
Sunday Night
Mostly cloudy, with a low around 54. Breezy.
Monday
A chance of rain before 7am, then a chance of showers between 7am and 4pm. Mostly cloudy, with a high near 56. Breezy. Chance of precipitation is 50%.
Monday Night
Partly cloudy, with a low around 27. Blustery.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Sunny, with a high near 43.
Wednesday Night
Mostly clear, with a low around 27.
New Year's Day
Sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Glassy Mountain SC
 35.15°N 82.34°W (Elev. 2589 ft)
12:18 pm EST Dec 25, 2025
5pm EST Dec 25, 2025-6pm EST Jan 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database