Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Current conditions at

NCSB (NCSW1)

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

NA

32°F

0°C

Humidity 100%
Wind Speed WNW 3 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 07 Dec 07:06 PM PST
Extended Forecast for

12 Miles NNW Mazama WA

  • Tonight

    Tonight: Snow, mainly between 1am and 4am.  Low around 25. Breezy, with a west wind 18 to 22 mph.  Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 25 °F

    Breezy.
    Chance Snow
    then Snow

  • Monday

    Monday: Snow, mainly after 7am. The snow could be heavy at times.  High near 29. Southwest wind 15 to 17 mph, with gusts as high as 26 mph.  Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 29 °F

    Heavy Snow

  • Monday Night

    Monday Night: Snow, mainly before 4am. The snow could be heavy at times.  Low around 23. Windy, with a west wind 24 to 31 mph, with gusts as high as 50 mph.  Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Low: 23 °F

    Heavy Snow
    and Windy

  • Tuesday

    Tuesday: Snow, mainly after 10am.  High near 24. Windy, with a west wind 20 to 25 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 41 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 24 °F

    Snow and
    Windy

  • Tuesday Night

    Tuesday Night: Snow. The snow could be heavy at times.  Low around 23. West wind 13 to 16 mph.  Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    Low: 23 °F

    Heavy Snow

  • Wednesday

    Wednesday: Snow.  High near 28. Breezy.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 28 °F

    Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 10pm.  Mostly cloudy, with a low around 22. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    Low: 22 °F

    Snow Likely

  • Thursday

    Thursday: Snow likely, mainly after 10am.  Mostly cloudy, with a high near 26. Chance of precipitation is 60%.

    High: 26 °F

    Snow Likely

  • Thursday Night

    Thursday Night: Snow likely.  Mostly cloudy, with a low around 24. Chance of precipitation is 60%.

    Low: 24 °F

    Snow Likely

Detailed Forecast

Tonight
Snow, mainly between 1am and 4am. Low around 25. Breezy, with a west wind 18 to 22 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 2 inches possible.
Monday
Snow, mainly after 7am. The snow could be heavy at times. High near 29. Southwest wind 15 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Monday Night
Snow, mainly before 4am. The snow could be heavy at times. Low around 23. Windy, with a west wind 24 to 31 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Tuesday
Snow, mainly after 10am. High near 24. Windy, with a west wind 20 to 25 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Tuesday Night
Snow. The snow could be heavy at times. Low around 23. West wind 13 to 16 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Wednesday
Snow. High near 28. Breezy. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 22. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow likely, mainly after 10am. Mostly cloudy, with a high near 26. Chance of precipitation is 60%.
Thursday Night
Snow likely. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.
Friday
Snow likely. Mostly cloudy, with a high near 31. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 28.
Saturday
Snow likely. Mostly cloudy, with a high near 30. Chance of precipitation is 60%.
Saturday Night
Snow likely. Mostly cloudy, with a low around 25. Chance of precipitation is 70%.
Sunday
Snow likely. Mostly cloudy, with a high near 27. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNW Mazama WA
 48.78°N 120.5°W (Elev. 6663 ft)
2:48 pm PST Dec 7, 2025
7pm PST Dec 7, 2025-6pm PST Dec 14, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database