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 >

Hazardous Weather Conditions

Current conditions at

NCSB (NCSW1)

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

NA

44°F

7°C

Humidity 93%
Wind Speed NNW 7 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Wind Chill40°F (4°C)
Last update 11 Dec 12:06 AM PST
Extended Forecast for

11 Miles NE Mazama WA

Flood Advisory until December 11, 11:45am
Click here for hazard details and duration
Flood Advisory
  •  
    Flood Advisory until December 11, 11:45am

    NOW until 11:45am Thu

    Flood Advisory

  • Overnight

    Low: 31 °F

    Rain/Snow

  • Thursday

    Thursday: Snow likely before 10am, then a slight chance of snow after 4pm. Partly sunny, with a high near 37. Northwest wind 6 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Snow Likely
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of snow, mainly after 10pm. Mostly cloudy, with a steady temperature around 31. Northwest wind 3 to 6 mph. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance Snow

  • Friday

    Friday: A chance of snow before 10am, then a chance of rain and snow. Mostly cloudy, with a high near 41. West wind around 6 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain and snow before 7pm, then a chance of rain. Mostly cloudy, with a low around 32. West wind around 7 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Saturday

    Saturday: A slight chance of rain and snow before 10am, then a slight chance of rain. Partly sunny, with a high near 41. Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain and snow, mainly after 10pm. Mostly cloudy, with a low around 31. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 31 °F

    Chance
    Rain/Snow

  • Sunday

    Sunday: Rain likely, possibly mixed with snow, becoming all rain after 10am. Mostly cloudy, with a high near 38. Chance of precipitation is 70%.

    High: 38 °F

    Rain/Snow
    Likely then
    Rain Likely

Detailed Forecast

Overnight
Snow, possibly mixed with rain. Low around 31. Light and variable wind. Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.
Thursday
Snow likely before 10am, then a slight chance of snow after 4pm. Partly sunny, with a high near 37. Northwest wind 6 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
A 50 percent chance of snow, mainly after 10pm. Mostly cloudy, with a steady temperature around 31. Northwest wind 3 to 6 mph. New snow accumulation of less than a half inch possible.
Friday
A chance of snow before 10am, then a chance of rain and snow. Mostly cloudy, with a high near 41. West wind around 6 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Friday Night
A chance of rain and snow before 7pm, then a chance of rain. Mostly cloudy, with a low around 32. West wind around 7 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday
A slight chance of rain and snow before 10am, then a slight chance of rain. Partly sunny, with a high near 41. Chance of precipitation is 20%.
Saturday Night
A chance of rain and snow, mainly after 10pm. Mostly cloudy, with a low around 31. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday
Rain likely, possibly mixed with snow, becoming all rain after 10am. Mostly cloudy, with a high near 38. Chance of precipitation is 70%.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.
Monday
Rain, possibly mixed with snow. High near 38. Chance of precipitation is 90%.
Monday Night
Rain and snow. Low around 27. Chance of precipitation is 90%.
Tuesday
Snow. The snow could be heavy at times. High near 34. Chance of precipitation is 80%.
Tuesday Night
Snow. The snow could be heavy at times. Low around 24. Chance of precipitation is 80%.
Wednesday
Snow. High near 31. Chance of precipitation is 80%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NE Mazama WA
 48.74°N 120.29°W (Elev. 4439 ft)
Last Update:
9:22 pm PST Dec 10, 2025
Forecast Valid:
12am PST Dec 11, 2025-6pm PST Dec 17, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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