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

Joseph State Airport AWOS (KJSY)

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

Clear

43°F

6°C

Humidity 46%
Wind Speed N 0 MPH
Barometer 29.71 in (1006.1 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 25 Dec 09:35 PM PST
Extended Forecast for

Joseph OR

  • Tonight

    Tonight: Rain likely, possibly mixed with snow, mainly after 1am. Snow level 4700 feet. Mostly cloudy, with a low around 31. South wind around 7 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Friday

    Friday: Rain likely, possibly mixed with snow, becoming all snow after 7am. Partly sunny, with a high near 38. Southwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 38 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Friday Night

    Friday Night: Snow. Low around 20. West wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 20 °F

    Snow

  • Saturday

    Saturday: Snow likely, mainly before 10am. Mostly cloudy, with a high near 27. Northwest wind around 8 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 27 °F

    Snow Likely
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 12. Calm wind.

    Low: 12 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain likely, possibly mixed with snow, mainly after 1am. Snow level 4700 feet. Mostly cloudy, with a low around 31. South wind around 7 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Friday
Rain likely, possibly mixed with snow, becoming all snow after 7am. Partly sunny, with a high near 38. Southwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday Night
Snow. Low around 20. West wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Saturday
Snow likely, mainly before 10am. Mostly cloudy, with a high near 27. Northwest wind around 8 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday Night
Mostly cloudy, with a low around 12. Calm wind.
Sunday
Mostly sunny, with a high near 29.
Sunday Night
Partly cloudy, with a low around 16.
Monday
Partly sunny, with a high near 35.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
Partly sunny, with a high near 38.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
Partly sunny, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 27.
New Year's Day
A chance of snow. Mostly cloudy, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Joseph OR
 45.35°N 117.22°W (Elev. 4334 ft)
Last Update:
9:35 pm PST Dec 25, 2025
Forecast Valid:
9pm PST Dec 25, 2025-6pm PST Jan 1, 2026
 
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Additional Resources

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Chance of Precipitation