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 61%
Wind Speed NNE 9 MPH
Barometer 29.63 in (1003.39 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 26 Dec 01:35 AM PST
Extended Forecast for

14 Miles SSW Joseph OR

  • Overnight

    Overnight: Snow. The snow could be heavy at times.  Steady temperature around 24. South wind around 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%. Total nighttime snow accumulation of 3 to 5 inches possible.

    Low: 24 °F

    Heavy Snow

  • Friday

    Friday: Snow. The snow could be heavy at times.  Temperature falling to around 19 by 10am. Breezy, with a southwest wind 18 to 23 mph, with gusts as high as 34 mph.  Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.

    High: 25 °F

    Heavy Snow
    and Breezy

  • Friday Night

    Friday Night: Snow. The snow could be heavy at times.  Low around 9. Wind chill values as low as -10. Breezy, with a west wind 22 to 25 mph, with gusts as high as 39 mph.  Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.

    Low: 9 °F

    Heavy Snow
    and Breezy

  • Saturday

    Saturday: Snow. The snow could be heavy at times.  High near 12. Wind chill values as low as -12. Blustery, with a northwest wind 18 to 24 mph, with gusts as high as 37 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 12 °F

    Heavy Snow
    and Blustery

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 3. Northwest wind 8 to 13 mph, with gusts as high as 18 mph.

    Low: 3 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 17.

    High: 17 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 9.

    Low: 9 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 21.

    High: 21 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Steady temperature around 24. South wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 3 to 5 inches possible.
Friday
Snow. The snow could be heavy at times. Temperature falling to around 19 by 10am. Breezy, with a southwest wind 18 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.
Friday Night
Snow. The snow could be heavy at times. Low around 9. Wind chill values as low as -10. Breezy, with a west wind 22 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.
Saturday
Snow. The snow could be heavy at times. High near 12. Wind chill values as low as -12. Blustery, with a northwest wind 18 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Saturday Night
Partly cloudy, with a low around 3. Northwest wind 8 to 13 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 17.
Sunday Night
Mostly clear, with a low around 9.
Monday
Mostly sunny, with a high near 21.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
Partly sunny, with a high near 25.
Tuesday Night
Mostly cloudy, with a low around 18.
Wednesday
Partly sunny, with a high near 27.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 19.
New Year's Day
A chance of snow. Mostly cloudy, with a high near 25.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SSW Joseph OR
 45.18°N 117.36°W (Elev. 8150 ft)
1:58 am PST Dec 26, 2025
2am PST Dec 26, 2025-6pm PST Jan 1, 2026
 
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Additional Resources

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