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

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.

Fair

68°F

20°C

Humidity 55%
Wind Speed SW 3 mph
Barometer 30.22 in (1023.0 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 24 Dec 4:53 pm EST
Extended Forecast for

Greer, Greenville-Spartanburg Airport SC

  • Tonight

    Tonight: Mostly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Cloudy

  • Christmas Day

    Christmas Day: Sunny, with a high near 74. Light southwest wind becoming west southwest 5 to 10 mph in the morning.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51. West wind around 6 mph becoming calm in the evening.

    Low: 51 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of rain between 9am and 1pm. Partly sunny, with a high near 65. Light and variable wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 20%.

    High: 65 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. West southwest wind around 5 mph.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 51. Calm wind.
Christmas Day
Sunny, with a high near 74. Light southwest wind becoming west southwest 5 to 10 mph in the morning.
Thursday Night
Partly cloudy, with a low around 51. West wind around 6 mph becoming calm in the evening.
Friday
A slight chance of rain between 9am and 1pm. Partly sunny, with a high near 65. Light and variable wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 51. West southwest wind around 5 mph.
Saturday
Sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly cloudy, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 49.
Monday
Partly sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Sunny, with a high near 46.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Greer, Greenville-Spartanburg Airport SC
 34.91°N 82.2°W (Elev. 902 ft)
Last Update:
12:18 pm EST Dec 24, 2025
Forecast Valid:
5pm EST Dec 24, 2025-6pm EST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation