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

33°F

1°C

Humidity 100%
Wind Speed N 2 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 10 Dec 08:06 AM PST
Extended Forecast for

15 Miles NNE Mazama WA

  • Today

    Today: Rain and snow.  Widespread dense fog before 9am. High near 34. West wind 10 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 34 °F

    Rain/Snow and
    Dense Fog

  • Tonight

    Tonight: Rain and snow, becoming all snow after 9pm.  Low around 25. West wind 10 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 25 °F

    Rain/Snow
    then Snow

  • Thursday

    Thursday: Snow likely before 7am.  Mostly cloudy, with a temperature falling to around 24 by 4pm. West wind 10 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 29 °F

    Snow Likely
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 25. Northwest wind 6 to 8 mph.  New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Chance Snow

  • Friday

    Friday: Snow likely.  Mostly cloudy, with a high near 32. West wind around 9 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 32 °F

    Snow Likely

  • Friday Night

    Friday Night: Snow likely, mainly before 10pm.  Mostly cloudy, with a low around 29. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Snow Likely

  • Saturday

    Saturday: A 30 percent chance of snow, mainly before 10am.  Mostly cloudy, with a high near 30. Little or no snow accumulation expected.

    High: 30 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 27.

    Low: 27 °F

    Chance Snow

  • Sunday

    Sunday: Snow likely.  Mostly cloudy, with a high near 30. Chance of precipitation is 70%.

    High: 30 °F

    Snow Likely

Detailed Forecast

Today
Rain and snow. Widespread dense fog before 9am. High near 34. West wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Rain and snow, becoming all snow after 9pm. Low around 25. West wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Thursday
Snow likely before 7am. Mostly cloudy, with a temperature falling to around 24 by 4pm. West wind 10 to 14 mph, with gusts as high as 24 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 low around 25. Northwest wind 6 to 8 mph. New snow accumulation of less than a half inch possible.
Friday
Snow likely. Mostly cloudy, with a high near 32. West wind around 9 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 29. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday
A 30 percent chance of snow, mainly before 10am. Mostly cloudy, with a high near 30. Little or no snow accumulation expected.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 27.
Sunday
Snow likely. Mostly cloudy, with a high near 30. Chance of precipitation is 70%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Monday
Snow. High near 30. Chance of precipitation is 80%.
Monday Night
Snow. Low around 24. Chance of precipitation is 90%.
Tuesday
Snow. High near 26. Chance of precipitation is 80%.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NNE Mazama WA
 48.82°N 120.35°W (Elev. 6585 ft)
6:48 am PST Dec 10, 2025
8am PST Dec 10, 2025-6pm PST Dec 16, 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