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

EMIGRANT (EMFO3)

Lat: 43.48306°NLon: 122.23028°WElev: 3773.0ft.

NA

43°F

6°C

Humidity 62%
Wind Speed SE 2 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 25 Dec 02:53 PM PST
Extended Forecast for

11 Miles WSW Willamette Pass OR

Winter Weather Advisory December 26, 04:00am until December 27, 04:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Christmas Day

    Christmas Day: Showers likely, mainly after 4pm. Snow level 4200 feet. Mostly cloudy, with a steady temperature around 43. South wind around 6 mph. Chance of precipitation is 60%.

    High: 43 °F

    Showers
    Likely

  • Tonight

    Tonight: Rain showers before 5am, then rain, possibly mixed with snow showers. Snow level 3700 feet. Low around 35. East southeast wind around 6 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 35 °F

    Showers then
    Rain/Snow

  • Friday

    Friday: Rain, possibly mixed with snow, becoming all rain after 10am. Snow level 3100 feet rising to 3700 feet in the afternoon. High near 40. West wind around 7 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow
    then Rain

  • Friday Night

    Friday Night: Snow, possibly mixed with rain, becoming all snow after 8pm. Low around 30. West wind around 7 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    Low: 30 °F

    Rain/Snow
    then Snow

  • Saturday

    Saturday: Snow likely before 10am, then a chance of snow showers after 10am. Mostly cloudy, with a high near 36. West northwest wind around 6 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Snow Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

Detailed Forecast

Christmas Day
Showers likely, mainly after 4pm. Snow level 4200 feet. Mostly cloudy, with a steady temperature around 43. South wind around 6 mph. Chance of precipitation is 60%.
Tonight
Rain showers before 5am, then rain, possibly mixed with snow showers. Snow level 3700 feet. Low around 35. East southeast wind around 6 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday
Rain, possibly mixed with snow, becoming all rain after 10am. Snow level 3100 feet rising to 3700 feet in the afternoon. High near 40. West wind around 7 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday Night
Snow, possibly mixed with rain, becoming all snow after 8pm. Low around 30. West wind around 7 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
Saturday
Snow likely before 10am, then a chance of snow showers after 10am. Mostly cloudy, with a high near 36. West northwest wind around 6 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Partly sunny, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
A slight chance of rain. Partly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WSW Willamette Pass OR
 43.5°N 122.27°W (Elev. 2812 ft)
Last Update:
2:45 pm PST Dec 25, 2025
Forecast Valid:
3pm PST Dec 25, 2025-6pm PST Dec 31, 2025
 
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