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

NCSB (NCSW1)

Lat: 48.42528°NLon: 120.14194°WElev: 1697.0ft.

NA

28°F

-2°C

Humidity 100%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 25 Dec 05:06 AM PST
Extended Forecast for

14 Miles N Winthrop WA

  • Christmas Day

    Christmas Day: Snow likely before 11am, then snow, possibly mixed with rain. High near 34. Light and variable wind. Chance of precipitation is 80%. Total daytime snow accumulation of less than one inch possible.

    High: 34 °F

    Rain/Snow

  • Tonight

    Tonight: Rain and snow likely, mainly before 10pm. Mostly cloudy, with a low around 28. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Rain/Snow
    Likely then
    Slight Chance
    Rain/Snow

  • Friday

    Friday: Snow, mainly after 7am. High near 32. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 32 °F

    Snow

  • Friday Night

    Friday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 17. Northwest wind around 6 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 17 °F

    Snow Likely
    then Slight
    Chance Snow

  • Saturday

    Saturday: Sunny, with a high near 28. Northwest wind 3 to 6 mph.

    High: 28 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 35.

    High: 35 °F

    Mostly Cloudy

Detailed Forecast

Christmas Day
Snow likely before 11am, then snow, possibly mixed with rain. High near 34. Light and variable wind. Chance of precipitation is 80%. Total daytime snow accumulation of less than one inch possible.
Tonight
Rain and snow likely, mainly before 10pm. Mostly cloudy, with a low around 28. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Snow, mainly after 7am. High near 32. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Friday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 17. Northwest wind around 6 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
Sunny, with a high near 28. Northwest wind 3 to 6 mph.
Saturday Night
Mostly cloudy, with a low around 16.
Sunday
Partly sunny, with a high near 33.
Sunday Night
Mostly cloudy, with a low around 22.
Monday
Mostly cloudy, with a high near 35.
Monday Night
Mostly cloudy, with a low around 28.
Tuesday
Mostly cloudy, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
A slight chance of rain and snow. Mostly cloudy, with a high near 39. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles N Winthrop WA
 48.67°N 120.15°W (Elev. 2589 ft)
Last Update:
2:17 am PST Dec 25, 2025
Forecast Valid:
5am PST Dec 25, 2025-6pm PST Dec 31, 2025
 
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Additional Resources

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Chance of Precipitation