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.

Partly Cloudy

51°F

11°C

Humidity 38%
Wind Speed SSW 29 MPH
Barometer 29.61 in (1002.71 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 25 Dec 12:35 PM PST
Extended Forecast for

10 Miles SW Joseph OR

  • Christmas Day

    Christmas Day: Snow likely, possibly mixed with rain.  Snow level 6000 feet. Mostly cloudy, with a high near 37. South wind around 15 mph, with gusts as high as 32 mph.  Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

    High: 37 °F

    Rain/Snow
    Likely

  • Tonight

    Tonight: Snow likely, mainly after 1am. The snow could be heavy at times.  Mostly cloudy, with a low around 26. South wind around 11 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%. New snow accumulation of 3 to 5 inches possible.

    Low: 26 °F

    Chance Snow
    then Heavy
    Snow

  • Friday

    Friday: Snow.  Temperature rising to near 30 by 11am, then falling to around 25 during the remainder of the day. Southwest wind 14 to 17 mph, with gusts as high as 33 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    High: 30 °F

    Snow

  • Friday Night

    Friday Night: Snow.  Low around 16. West wind around 15 mph, with gusts as high as 32 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    Low: 16 °F

    Snow

  • Saturday

    Saturday: Snow, mainly before 10am.  High near 21. Northwest wind 14 to 16 mph, with gusts as high as 32 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 21 °F

    Snow 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 26.

    High: 26 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

Detailed Forecast

Christmas Day
Snow likely, possibly mixed with rain. Snow level 6000 feet. Mostly cloudy, with a high near 37. South wind around 15 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow likely, mainly after 1am. The snow could be heavy at times. Mostly cloudy, with a low around 26. South wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of 3 to 5 inches possible.
Friday
Snow. Temperature rising to near 30 by 11am, then falling to around 25 during the remainder of the day. Southwest wind 14 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Friday Night
Snow. Low around 16. West wind around 15 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Saturday
Snow, mainly before 10am. High near 21. Northwest wind 14 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
Mostly cloudy, with a low around 9.
Sunday
Sunny, with a high near 26.
Sunday Night
Partly cloudy, with a low around 15.
Monday
Partly sunny, with a high near 31.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
Partly sunny, with a high near 35.
Tuesday Night
Mostly cloudy, with a low around 23.
Wednesday
Mostly sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SW Joseph OR
 45.24°N 117.38°W (Elev. 5719 ft)
12:46 pm PST Dec 25, 2025
1pm PST Dec 25, 2025-6pm PST Dec 31, 2025
 
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Additional Resources

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