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 >

Hazardous Weather Conditions

Current conditions at

US-50 Spooner Summit (SPRNV)

Lat: 39.10403°NLon: 119.89655°WElev: 7224.0ft.

NA

31°F

-1°C

Humidity 100%
Wind Speed WNW 0 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 26 Dec 12:03 AM PST
Extended Forecast for

Spooner Summit NV

Winter Storm Warning December 26, 12:19am until December 26, 10:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning December 26, 12:19am until December 26, 10:00am

    NOW until 10:00am Fri

    Winter Storm Warning

  • Overnight

    Low: 26 °F

    Heavy Snow
    and Areas
    Freezing Fog

  • Friday

    Friday: A 50 percent chance of snow, mainly after 10am. Widespread dense freezing fog, mainly before 10am. Partly sunny, with a high near 34. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph. New snow accumulation of 1 to 3 inches possible.

    High: 34 °F

    Chance Snow
    and Dense
    Freezing Fog

  • Friday Night

    Friday Night: A 50 percent chance of snow, mainly before 4am. Patchy fog before 10pm. Areas of freezing fog before 7pm. Otherwise, mostly cloudy, with a low around 20. Southwest wind around 5 mph. Little or no snow accumulation expected.

    Low: 20 °F

    Chance Snow
    and Areas
    Freezing Fog

  • Saturday

    Saturday: A 20 percent chance of snow before 10am. Mostly sunny, with a high near 34. West wind around 5 mph becoming calm.

    High: 34 °F

    Slight Chance
    Snow then
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 15. Calm wind.

    Low: 15 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 31. East wind around 5 mph.

    High: 31 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 14.

    Low: 14 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 35.

    High: 35 °F

    Sunny

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Areas of fog before 3am, then areas of fog after 4am. Areas of freezing fog between 3am and 4am. Low around 26. Breezy, with a southwest wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 5 to 9 inches possible.
Friday
A 50 percent chance of snow, mainly after 10am. Widespread dense freezing fog, mainly before 10am. Partly sunny, with a high near 34. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph. New snow accumulation of 1 to 3 inches possible.
Friday Night
A 50 percent chance of snow, mainly before 4am. Patchy fog before 10pm. Areas of freezing fog before 7pm. Otherwise, mostly cloudy, with a low around 20. Southwest wind around 5 mph. Little or no snow accumulation expected.
Saturday
A 20 percent chance of snow before 10am. Mostly sunny, with a high near 34. West wind around 5 mph becoming calm.
Saturday Night
Partly cloudy, with a low around 15. Calm wind.
Sunday
Mostly sunny, with a high near 31. East wind around 5 mph.
Sunday Night
Mostly clear, with a low around 14.
Monday
Sunny, with a high near 35.
Monday Night
Mostly clear, with a low around 20.
Tuesday
Sunny, with a high near 41.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Sunny, with a high near 45.
Wednesday Night
A slight chance of snow. Partly cloudy, with a low around 28.
New Year's Day
A chance of snow. Mostly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Spooner Summit NV
 39.1°N 119.91°W (Elev. 7067 ft)
Last Update:
9:15 pm PST Dec 25, 2025
Forecast Valid:
12am PST Dec 26, 2025-6pm PST Jan 1, 2026
 
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Additional Resources

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Chance of Precipitation