Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Current conditions at

Joseph State Airport AWOS (KJSY)

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

Rain

50°F

10°C

Humidity 44%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 08 Dec 10:35 AM PST
Extended Forecast for

19 Miles NW Halfway OR

  • Today

    Today: Snow likely before 1pm, then snow, possibly mixed with rain.  Snow level rising to 6700 feet. High near 33. Southwest wind around 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.

    High: 33 °F

    Snow Likely
    then
    Rain/Snow

  • Tonight

    Tonight: Rain, possibly mixed with snow.  Steady temperature around 34. Southwest wind around 14 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 34 °F

    Rain/Snow

  • Tuesday

    Tuesday: Snow, possibly mixed with rain.  Snow level 7100 feet lowering to 6500 feet in the afternoon . High near 35. West wind 7 to 11 mph, with gusts as high as 34 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    High: 35 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain.  Low around 33. Southwest wind around 8 mph.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 33 °F

    Rain

  • Wednesday

    Wednesday: Rain.  High near 40. West wind around 9 mph, with gusts as high as 18 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 40 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 10pm, then a chance of rain and snow between 10pm and 1am, then a chance of rain after 1am.  Mostly cloudy, with a low around 35. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: A 50 percent chance of rain.  Partly sunny, with a high near 39.

    High: 39 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain, mainly before 10pm.  Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance Rain

  • Friday

    Friday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

Detailed Forecast

Today
Snow likely before 1pm, then snow, possibly mixed with rain. Snow level rising to 6700 feet. High near 33. Southwest wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Rain, possibly mixed with snow. Steady temperature around 34. Southwest wind around 14 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Tuesday
Snow, possibly mixed with rain. Snow level 7100 feet lowering to 6500 feet in the afternoon . High near 35. West wind 7 to 11 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Tuesday Night
Rain. Low around 33. Southwest wind around 8 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Wednesday
Rain. High near 40. West wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain likely before 10pm, then a chance of rain and snow between 10pm and 1am, then a chance of rain after 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
A 50 percent chance of rain. Partly sunny, with a high near 39.
Thursday Night
A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 31.
Friday
Mostly sunny, with a high near 40.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 38.
Saturday Night
A slight chance of rain and snow. Snow level 6200 feet. Partly cloudy, with a low around 27.
Sunday
A chance of snow. Partly sunny, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles NW Halfway OR
 45.09°N 117.37°W (Elev. 6122 ft)
9:17 am PST Dec 8, 2025
10am PST Dec 8, 2025-6pm PST Dec 14, 2025
 
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Additional Resources

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