National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

Joseph State Airport AWOS (KJSY)

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

Rain

43°F

6°C

Humidity 83%
Wind Speed ENE 4 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 08 Dec 09:35 PM PST
Extended Forecast for

14 Miles SW Joseph OR

  • Tonight

    Tonight: Rain and snow. Snow level 7900 feet. Steady temperature around 34. West wind 14 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.

    Low: 34 °F

    Rain/Snow

  • Tuesday

    Tuesday: Snow, possibly mixed with rain before 10am, then snow between 10am and 4pm, then snow, possibly mixed with rain after 4pm. Temperature falling to around 30 by 10am. West wind 7 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 34 °F⇓

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain, possibly mixed with snow, becoming all rain after 1am. Snow level 7800 feet rising to 9100 feet after midnight. Temperature rising to around 36 by 3am. Southwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 31 °F⇑

    Rain/Snow

  • Wednesday

    Wednesday: Rain before 1pm, then rain likely, possibly mixed with snow. High near 36. Southwest wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 36 °F

    Rain then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 10pm, then a chance of rain. Mostly cloudy, with a low around 33. West wind around 10 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Thursday

    Thursday: A chance of rain and snow. Snow level 8000 feet. Mostly cloudy, with a high near 34. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow before 1am, then a slight chance of rain. Snow level 8100 feet. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.

    Low: 32 °F

    Chance
    Rain/Snow

  • Friday

    Friday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain and snow. Snow level 7900 feet. Steady temperature around 34. West wind 14 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.
Tuesday
Snow, possibly mixed with rain before 10am, then snow between 10am and 4pm, then snow, possibly mixed with rain after 4pm. Temperature falling to around 30 by 10am. West wind 7 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Tuesday Night
Rain, possibly mixed with snow, becoming all rain after 1am. Snow level 7800 feet rising to 9100 feet after midnight. Temperature rising to around 36 by 3am. Southwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Rain before 1pm, then rain likely, possibly mixed with snow. High near 36. Southwest wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
A chance of rain and snow before 10pm, then a chance of rain. Mostly cloudy, with a low around 33. West wind around 10 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Thursday
A chance of rain and snow. Snow level 8000 feet. Mostly cloudy, with a high near 34. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Thursday Night
A chance of rain and snow before 1am, then a slight chance of rain. Snow level 8100 feet. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 36.
Friday Night
Mostly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 35.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 27.
Sunday
A chance of snow. Partly sunny, with a high near 31.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 26.
Monday
Snow likely. Mostly cloudy, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SW Joseph OR
 45.18°N 117.39°W (Elev. 7008 ft)
Last Update:
9:37 pm PST Dec 8, 2025
Forecast Valid:
9pm PST Dec 8, 2025-6pm PST Dec 15, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation