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 92%
Wind Speed NNW 8 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Wind Chill39°F (4°C)
Last update 10 Dec 10:06 PM PST
Extended Forecast for

10 Miles ENE Mazama WA

  • Tonight

    Tonight: Rain before 3am, then rain, possibly mixed with snow. Low around 35. Northwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain then
    Rain/Snow

  • Thursday

    Thursday: A chance of rain and snow before 7am, then a slight chance of snow after 4pm. Mostly sunny, with a high near 39. Northwest wind 5 to 7 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 39 °F

    Chance
    Rain/Snow
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: A slight chance of snow before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 31. Light northwest wind. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 31 °F

    Chance
    Rain/Snow

  • Friday

    Friday: A chance of rain and snow. Mostly cloudy, with a high near 42. Light west wind. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 42 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A 40 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 36. West wind 3 to 5 mph.

    Low: 36 °F

    Chance Rain

  • Saturday

    Saturday: A slight chance of rain before 10am, then a slight chance of rain after 4pm. Partly sunny, with a high near 42. Chance of precipitation is 20%.

    High: 42 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A 40 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely. Mostly cloudy, with a high near 40. Chance of precipitation is 60%.

    High: 40 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A chance of rain before 4am, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.

    Low: 34 °F

    Chance Rain
    then
    Rain/Snow
    Likely

Detailed Forecast

Tonight
Rain before 3am, then rain, possibly mixed with snow. Low around 35. Northwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
A chance of rain and snow before 7am, then a slight chance of snow after 4pm. Mostly sunny, with a high near 39. Northwest wind 5 to 7 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday Night
A slight chance of snow before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 31. Light northwest wind. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 42. Light west wind. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday Night
A 40 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 36. West wind 3 to 5 mph.
Saturday
A slight chance of rain before 10am, then a slight chance of rain after 4pm. Partly sunny, with a high near 42. Chance of precipitation is 20%.
Saturday Night
A 40 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 33.
Sunday
Rain likely. Mostly cloudy, with a high near 40. Chance of precipitation is 60%.
Sunday Night
A chance of rain before 4am, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.
Monday
Rain likely, possibly mixed with snow before 7am, then rain. High near 39. Chance of precipitation is 80%.
Monday Night
Rain, possibly mixed with snow. Low around 30. Chance of precipitation is 90%.
Tuesday
Rain and snow. The snow could be heavy at times. High near 36. Chance of precipitation is 80%.
Tuesday Night
Snow. The snow could be heavy at times. Low around 28. Chance of precipitation is 80%.
Wednesday
Snow. High near 33. Chance of precipitation is 80%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles ENE Mazama WA
 48.68°N 120.25°W (Elev. 3435 ft)
Last Update:
9:22 pm PST Dec 10, 2025
Forecast Valid:
10pm 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