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

Joseph State Airport AWOS (KJSY)

Lat: 45.355889°NLon: 117.254083°WElev: 4120.0ft.

Mostly Cloudy

40°F

4°C

Humidity 85%
Wind Speed N 0 MPH
Barometer 29.64 in (1003.73 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 24 Dec 09:35 PM PST
Extended Forecast for

17 Miles SSW Joseph OR

  • Tonight

    Tonight: A 50 percent chance of snow.  Mostly cloudy, with a low around 28. South wind around 14 mph, with gusts as high as 25 mph.  Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 28 °F

    Chance Snow

  • Christmas Day

    Christmas Day: Snow likely, mainly after 10am.  Mostly cloudy, with a high near 32. South wind around 17 mph, with gusts as high as 31 mph.  Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible.

    High: 32 °F

    Snow Likely

  • Thursday Night

    Thursday Night: Snow. The snow could be heavy at times.  Low around 24. South wind around 14 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    Low: 24 °F

    Heavy Snow

  • Friday

    Friday: Snow. The snow could be heavy at times.  High near 26. Southwest wind 16 to 18 mph, with gusts as high as 31 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 26 °F

    Heavy Snow

  • Friday Night

    Friday Night: Snow.  Low around 14. West wind around 14 mph, with gusts as high as 28 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 14 °F

    Snow

  • Saturday

    Saturday: Snow likely, mainly before 10am.  Mostly cloudy, with a high near 19. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 19 °F

    Snow Likely
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 9.

    Low: 9 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 22.

    High: 22 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of snow. Mostly cloudy, with a low around 28. South wind around 14 mph, with gusts as high as 25 mph. Total nighttime snow accumulation of 1 to 2 inches possible.
Christmas Day
Snow likely, mainly after 10am. Mostly cloudy, with a high near 32. South wind around 17 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible.
Thursday Night
Snow. The snow could be heavy at times. Low around 24. South wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Friday
Snow. The snow could be heavy at times. High near 26. Southwest wind 16 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Friday Night
Snow. Low around 14. West wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Saturday
Snow likely, mainly before 10am. Mostly cloudy, with a high near 19. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Saturday Night
Mostly cloudy, with a low around 9.
Sunday
Sunny, with a high near 22.
Sunday Night
Partly cloudy, with a low around 12.
Monday
Mostly sunny, with a high near 24.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
Mostly sunny, with a high near 29.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Sunny, with a high near 30.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles SSW Joseph OR
 45.12°N 117.35°W (Elev. 6801 ft)
9:22 pm PST Dec 24, 2025
9pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
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Additional Resources

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