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

Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Current conditions at

NCSB (NCSW1)

Lat: 48.42528°NLon: 120.14194°WElev: 1697.0ft.

NA

32°F

0°C

Humidity 97%
Wind Speed NNW 4 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Wind Chill28°F (-2°C)
Last update 09 Dec 07:06 AM PST
Extended Forecast for

11 Miles NE Mazama WA

  • Today

    Today: A 30 percent chance of snow, mainly after 4pm. Partly sunny, with a high near 35. West wind 10 to 15 mph becoming light and variable in the afternoon. Winds could gust as high as 24 mph. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 35 °F

    Partly Sunny
    then Chance
    Snow

  • Tonight

    Tonight: Rain, possibly mixed with snow. The snow could be heavy at times. Temperature falling to near 28 by 8pm, then rising to around 34 during the remainder of the night. South wind 6 to 9 mph becoming southwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    Low: 28 °F⇑

    Heavy Snow
    then
    Rain/Snow

  • Wednesday

    Wednesday: Snow, possibly mixed with rain. High near 40. West wind 7 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow. Low around 31. West wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 31 °F

    Rain/Snow

  • Thursday

    Thursday: Rain and snow likely before 1pm, then a chance of snow. Mostly cloudy, with a high near 37. West wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 37 °F

    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 29. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Snow

  • Friday

    Friday: A chance of rain and snow. Mostly cloudy, with a high near 39. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 39 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain and snow before 4am, then a slight chance of snow. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.

    Low: 30 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A slight chance of snow before 10am, then a chance of rain and snow. Partly sunny, with a high near 37. Chance of precipitation is 30%.

    High: 37 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
A 30 percent chance of snow, mainly after 4pm. Partly sunny, with a high near 35. West wind 10 to 15 mph becoming light and variable in the afternoon. Winds could gust as high as 24 mph. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Rain, possibly mixed with snow. The snow could be heavy at times. Temperature falling to near 28 by 8pm, then rising to around 34 during the remainder of the night. South wind 6 to 9 mph becoming southwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Wednesday
Snow, possibly mixed with rain. High near 40. West wind 7 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain and snow. Low around 31. West wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Thursday
Rain and snow likely before 1pm, then a chance of snow. Mostly cloudy, with a high near 37. West wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 29. New snow accumulation of less than a half inch possible.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 39. Chance of precipitation is 50%. Little or no snow accumulation expected.
Friday Night
A chance of rain and snow before 4am, then a slight chance of snow. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.
Saturday
A slight chance of snow before 10am, then a chance of rain and snow. Partly sunny, with a high near 37. Chance of precipitation is 30%.
Saturday Night
A chance of rain and snow before 10pm, then snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Sunday
Snow likely. Mostly cloudy, with a high near 36. Chance of precipitation is 60%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Monday
Rain and snow. High near 36. Chance of precipitation is 80%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NE Mazama WA
 48.74°N 120.29°W (Elev. 4439 ft)
Last Update:
7:06 am PST Dec 9, 2025
Forecast Valid:
7am PST Dec 9, 2025-6pm PST Dec 15, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation