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 94%
Wind Speed WNW 1 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 09 Dec 09:06 AM PST
Extended Forecast for

25 Miles N Mazama WA

  • Today

    Today: A 30 percent chance of snow, mainly after 4pm. Mostly cloudy, with a high near 24. Breezy, with a west wind 17 to 22 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 36 mph. Total daytime snow accumulation of around an inch possible.

    High: 24 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Snow

  • Tonight

    Tonight: Snow, mainly after 7pm. The snow could be heavy at times. Temperature rising to around 32 by 5am. Windy, with a south wind 18 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

    Low: 22 °F⇑

    Heavy Snow
    and Windy

  • Wednesday

    Wednesday: Snow. The snow could be heavy at times. Temperature falling to around 28 by 10am. Breezy, with a southwest wind 15 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of 7 to 11 inches possible.

    High: 32 °F⇓

    Heavy Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times. Low around 24. Breezy, with a southwest wind around 18 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.

    Low: 24 °F

    Heavy Snow
    and Breezy

  • Thursday

    Thursday: Snow. High near 27. Breezy, with a west wind 13 to 18 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 27 °F

    Snow and
    Breezy

  • Thursday Night

    Thursday Night: Snow likely. Mostly cloudy, with a low around 21. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 21 °F

    Snow Likely

  • Friday

    Friday: Snow likely. Mostly cloudy, with a high near 28. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 28 °F

    Snow Likely

  • Friday Night

    Friday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.

    Low: 22 °F

    Snow Likely

  • Saturday

    Saturday: Snow likely, mainly after 4pm. Mostly cloudy, with a high near 26. Chance of precipitation is 60%.

    High: 26 °F

    Snow Likely

Detailed Forecast

Today
A 30 percent chance of snow, mainly after 4pm. Mostly cloudy, with a high near 24. Breezy, with a west wind 17 to 22 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 36 mph. Total daytime snow accumulation of around an inch possible.
Tonight
Snow, mainly after 7pm. The snow could be heavy at times. Temperature rising to around 32 by 5am. Windy, with a south wind 18 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.
Wednesday
Snow. The snow could be heavy at times. Temperature falling to around 28 by 10am. Breezy, with a southwest wind 15 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of 7 to 11 inches possible.
Wednesday Night
Snow. The snow could be heavy at times. Low around 24. Breezy, with a southwest wind around 18 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.
Thursday
Snow. High near 27. Breezy, with a west wind 13 to 18 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow likely. Mostly cloudy, with a low around 21. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
Snow likely. Mostly cloudy, with a high near 28. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Friday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Saturday
Snow likely, mainly after 4pm. Mostly cloudy, with a high near 26. Chance of precipitation is 60%.
Saturday Night
Snow likely. Mostly cloudy, with a low around 23. Breezy. Chance of precipitation is 70%.
Sunday
Snow likely. Mostly cloudy, with a high near 24. Breezy. Chance of precipitation is 70%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 23. Breezy. Chance of precipitation is 70%.
Monday
Snow. High near 27. Breezy. Chance of precipitation is 80%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
25 Miles N Mazama WA
 48.98°N 120.4°W (Elev. 7438 ft)
Last Update:
9:28 am PST Dec 9, 2025
Forecast Valid:
9am PST Dec 9, 2025-6pm PST Dec 15, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation