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

Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Current conditions at

NCSB (NCSW1)

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

NA

44°F

7°C

Humidity 91%
Wind Speed NNW 8 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Wind Chill39°F (4°C)
Last update 10 Dec 11:06 PM PST
Extended Forecast for

6 Miles NNE Mazama WA

  • Tonight

    Tonight: Snow. Low around 24. Windy, with a west wind 25 to 28 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.

    Low: 24 °F

    Snow and
    Windy

  • Thursday

    Thursday: Snow likely, mainly before 7am. Partly sunny, with a steady temperature around 26. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 26 °F

    Snow Likely
    and Breezy
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a temperature rising to around 28 by 5am. Northwest wind around 10 mph. New snow accumulation of less than a half inch possible.

    Low: 24 °F⇑

    Chance Snow

  • Friday

    Friday: Snow likely. Mostly cloudy, with a high near 31. West wind around 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Snow Likely

  • Friday Night

    Friday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 29. West wind 10 to 13 mph. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow. Partly sunny, with a high near 33.

    High: 33 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: Snow, mainly after 4am. Low around 28. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance Snow
    then Snow

  • Sunday

    Sunday: Snow. High near 30. Chance of precipitation is 80%.

    High: 30 °F

    Snow

  • Sunday Night

    Sunday Night: Snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.

    Low: 28 °F

    Snow Likely

Detailed Forecast

Tonight
Snow. Low around 24. Windy, with a west wind 25 to 28 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.
Thursday
Snow likely, mainly before 7am. Partly sunny, with a steady temperature around 26. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a temperature rising to around 28 by 5am. Northwest wind around 10 mph. New snow accumulation of less than a half inch possible.
Friday
Snow likely. Mostly cloudy, with a high near 31. West wind around 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 29. West wind 10 to 13 mph. New snow accumulation of less than a half inch possible.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 33.
Saturday Night
Snow, mainly after 4am. Low around 28. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Sunday
Snow. High near 30. Chance of precipitation is 80%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Monday
Snow. The snow could be heavy at times. High near 29. Chance of precipitation is 90%.
Monday Night
Snow. The snow could be heavy at times. Low around 24. Chance of precipitation is 90%.
Tuesday
Snow. High near 25. Chance of precipitation is 90%.
Tuesday Night
Snow. The snow could be heavy at times. Low around 22. Chance of precipitation is 80%.
Wednesday
Snow. The snow could be heavy at times. High near 23. Chance of precipitation is 90%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNE Mazama WA
 48.7°N 120.41°W (Elev. 6798 ft)
Last Update:
9:22 pm PST Dec 10, 2025
Forecast Valid:
11pm PST Dec 10, 2025-6pm PST Dec 17, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation