Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Current conditions at

NCSB (NCSW1)

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

NA

43°F

6°C

Humidity 66%
Wind Speed W 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 11 Dec 09:06 AM PST
Extended Forecast for

16 Miles NNW Mazama WA

  • Today

    Today: A chance of snow before 1pm, then a slight chance of snow after 4pm.  Partly sunny, with a high near 26. Breezy, with a west wind 18 to 23 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 34 mph.  Chance of precipitation is 40%. Total daytime snow accumulation of less than a half inch possible.

    High: 26 °F

    Chance Snow
    and Breezy

  • Tonight

    Tonight: Snow likely, mainly after 10pm.  Mostly cloudy, with a temperature rising to around 26 by 5am. West wind around 10 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 21 °F

    Snow Likely

  • Friday

    Friday: Snow.  High near 30. West wind 9 to 13 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 30 °F

    Snow

  • Friday Night

    Friday Night: Snow likely, mainly before 10pm.  Mostly cloudy, with a low around 28. West wind around 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Snow Likely

  • Saturday

    Saturday: A slight chance of snow before 10am, then a slight chance of snow after 4pm.  Partly sunny, with a high near 31. South wind 11 to 13 mph.  Chance of precipitation is 20%.

    High: 31 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: Snow, mainly after 4am.  Low around 26. Breezy.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Breezy.
    Chance Snow
    then Snow

  • Sunday

    Sunday: Snow.  High near 29. Breezy.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 29 °F

    Snow and
    Breezy

  • Sunday Night

    Sunday Night: Snow.  Low around 27. Breezy.  Chance of precipitation is 80%.

    Low: 27 °F

    Snow and
    Breezy

  • Monday

    Monday: Snow. The snow could be heavy at times.  High near 30. Breezy.  Chance of precipitation is 100%.

    High: 30 °F

    Heavy Snow
    and Breezy

Detailed Forecast

Today
A chance of snow before 1pm, then a slight chance of snow after 4pm. Partly sunny, with a high near 26. Breezy, with a west wind 18 to 23 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 40%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow likely, mainly after 10pm. Mostly cloudy, with a temperature rising to around 26 by 5am. West wind around 10 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Friday
Snow. High near 30. West wind 9 to 13 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Friday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 28. West wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
A slight chance of snow before 10am, then a slight chance of snow after 4pm. Partly sunny, with a high near 31. South wind 11 to 13 mph. Chance of precipitation is 20%.
Saturday Night
Snow, mainly after 4am. Low around 26. Breezy. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Sunday
Snow. High near 29. Breezy. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Sunday Night
Snow. Low around 27. Breezy. Chance of precipitation is 80%.
Monday
Snow. The snow could be heavy at times. High near 30. Breezy. Chance of precipitation is 100%.
Monday Night
Snow. The snow could be heavy at times. Low around 22. Breezy. Chance of precipitation is 100%.
Tuesday
Snow. The snow could be heavy at times. High near 23. Breezy. Chance of precipitation is 90%.
Tuesday Night
Snow. The snow could be heavy at times. Low around 18. Breezy. Chance of precipitation is 90%.
Wednesday
Snow. The snow could be heavy at times. High near 20. Breezy. Chance of precipitation is 90%.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NNW Mazama WA
 48.84°N 120.55°W (Elev. 6926 ft)
8:52 am PST Dec 11, 2025
9am PST Dec 11, 2025-6pm PST Dec 17, 2025
 
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Additional Resources

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