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

NCSB (NCSW1)

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

NA

35°F

2°C

Humidity 100%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 08 Dec 05:06 PM PST
Extended Forecast for

4 Miles NE Mazama WA

  • This Afternoon

    This Afternoon: Rain.  High near 36. West wind around 8 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 36 °F

    Rain

  • Tonight

    Tonight: Snow, possibly mixed with rain, mainly before 1am. The snow could be heavy at times.  Low around 28. West wind 11 to 14 mph, with gusts as high as 33 mph.  Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 28 °F

    Rain/Snow

  • Tuesday

    Tuesday: Snow likely, mainly after 4pm.  Mostly cloudy, with a high near 33. West wind 6 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 33 °F

    Partly Sunny
    then Snow
    Likely

  • Tuesday Night

    Tuesday Night: Snow before 1am, then snow, possibly mixed with rain. The snow could be heavy at times.  Low around 29. Southwest wind 3 to 5 mph.  Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Low: 29 °F

    Heavy Snow
    then
    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow.  High near 38. West wind around 9 mph, with gusts as high as 24 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow.  Low around 33. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 33 °F

    Rain/Snow

  • Thursday

    Thursday: Snow likely, possibly mixed with rain before 10am, then snow likely between 10am and 1pm, then snow likely, possibly mixed with rain after 1pm.  Mostly cloudy, with a high near 35. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 35 °F

    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of snow before 4am, then a chance of rain and snow.  Mostly cloudy, with a low around 31. Chance of precipitation is 50%.

    Low: 31 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Friday

    Friday: A chance of rain and snow.  Mostly cloudy, with a high near 37. Chance of precipitation is 40%.

    High: 37 °F

    Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Rain. High near 36. West wind around 8 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Snow, possibly mixed with rain, mainly before 1am. The snow could be heavy at times. Low around 28. West wind 11 to 14 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Tuesday
Snow likely, mainly after 4pm. Mostly cloudy, with a high near 33. West wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Tuesday Night
Snow before 1am, then snow, possibly mixed with rain. The snow could be heavy at times. Low around 29. Southwest wind 3 to 5 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Wednesday
Rain and snow. High near 38. West wind around 9 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain and snow. Low around 33. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow likely, possibly mixed with rain before 10am, then snow likely between 10am and 1pm, then snow likely, possibly mixed with rain after 1pm. Mostly cloudy, with a high near 35. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Thursday Night
A chance of snow before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 40%.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Saturday
Rain and snow likely. Partly sunny, with a high near 36. Chance of precipitation is 60%.
Saturday Night
Rain and snow likely. Mostly cloudy, with a low around 30. Chance of precipitation is 70%.
Sunday
Snow likely. Mostly cloudy, with a high near 34. Chance of precipitation is 60%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Monday
Snow likely. Mostly cloudy, with a high near 33. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Mazama WA
 48.65°N 120.36°W (Elev. 4567 ft)
3:17 pm PST Dec 8, 2025
5pm PST Dec 8, 2025-6pm PST Dec 15, 2025
 
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Additional Resources

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Hourly Weather Forecast

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