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

38°F

3°C

Humidity 95%
Wind Speed NNE 6 MPH
Barometer 29.64 in (1003.73 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 25 Dec 02:35 AM PST
Extended Forecast for

5 Miles S Joseph OR

  • Overnight

    Overnight: A slight chance of rain before 4am, then a chance of rain and snow.  Partly cloudy, with a low around 36. South wind around 9 mph, with gusts as high as 23 mph.  Chance of precipitation is 30%.

    Low: 36 °F

    Chance
    Rain/Snow

  • Christmas Day

    Christmas Day: Rain and snow likely, mainly between 10am and 4pm.  Mostly sunny, with a high near 45. South wind 10 to 13 mph, with gusts as high as 31 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: Snow likely, possibly mixed with rain, mainly after 1am.  Snow level 5000 feet lowering to 4500 feet after midnight . Mostly cloudy, with a low around 35. South wind around 10 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 35 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Friday

    Friday: Snow.  High near 38. South wind 11 to 14 mph, with gusts as high as 31 mph.  Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 38 °F

    Snow

  • Friday Night

    Friday Night: Snow.  Low around 24. West wind around 14 mph, with gusts as high as 29 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 24 °F

    Snow

  • Saturday

    Saturday: Snow likely, mainly before 10am.  Mostly cloudy, with a high near 29. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 29 °F

    Snow Likely
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 32.

    High: 32 °F

    Sunny

  • Sunday Night

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

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of rain before 4am, then a chance of rain and snow. Partly cloudy, with a low around 36. South wind around 9 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Christmas Day
Rain and snow likely, mainly between 10am and 4pm. Mostly sunny, with a high near 45. South wind 10 to 13 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
Snow likely, possibly mixed with rain, mainly after 1am. Snow level 5000 feet lowering to 4500 feet after midnight . Mostly cloudy, with a low around 35. South wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
Snow. High near 38. South wind 11 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Friday Night
Snow. Low around 24. West wind around 14 mph, with gusts as high as 29 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 29. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Saturday Night
Mostly cloudy, with a low around 17.
Sunday
Sunny, with a high near 32.
Sunday Night
Partly cloudy, with a low around 22.
Monday
Mostly sunny, with a high near 38.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
Partly sunny, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Mostly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Joseph OR
 45.29°N 117.2°W (Elev. 4373 ft)
2:32 am PST Dec 25, 2025
2am PST Dec 25, 2025-6pm PST Dec 31, 2025
 
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Additional Resources

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