Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Current conditions at

NCSB (NCSW1)

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

NA

41°F

5°C

Humidity 70%
Wind Speed SE 4 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 09 Dec 12:06 PM PST
Extended Forecast for

16 Miles NNE Mazama WA

  • This Afternoon

    This Afternoon: A 30 percent chance of snow, mainly after 4pm.  Mostly cloudy, with a high near 23. Southwest wind 8 to 17 mph, with gusts as high as 28 mph.  Total daytime snow accumulation of 1 to 2 inches possible.

    High: 23 °F

    Chance Snow

  • Tonight

    Tonight: Snow, mainly after 7pm. The snow could be heavy at times.  Temperature falling to near 21 by 8pm, then rising to around 31 during the remainder of the night. Breezy, with a west wind 14 to 21 mph, with gusts as high as 32 mph.  Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

    Low: 21 °F

    Heavy Snow
    and Breezy

  • Wednesday

    Wednesday: Snow. The snow could be heavy at times.  High near 32. Breezy, with a west wind 14 to 22 mph, with gusts as high as 36 mph.  Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

    High: 32 °F

    Heavy Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times.  Low around 24. Breezy, with a west wind 16 to 18 mph, with gusts as high as 26 mph.  Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    Low: 24 °F

    Heavy Snow
    and Breezy

  • Thursday

    Thursday: Snow likely, mainly before 10am.  Mostly cloudy, with a high near 27. Breezy, with a west wind 13 to 18 mph, with gusts as high as 28 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 27 °F

    Snow Likely
    and Breezy

  • Thursday Night

    Thursday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 22. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow.  Mostly cloudy, with a high near 29. New snow accumulation of less than one inch possible.

    High: 29 °F

    Chance Snow

  • Friday Night

    Friday Night: A 40 percent chance of snow.  Mostly cloudy, with a low around 24.

    Low: 24 °F

    Chance Snow

  • Saturday

    Saturday: A 30 percent chance of snow.  Mostly cloudy, with a high near 26.

    High: 26 °F

    Chance Snow

Detailed Forecast

This Afternoon
A 30 percent chance of snow, mainly after 4pm. Mostly cloudy, with a high near 23. Southwest wind 8 to 17 mph, with gusts as high as 28 mph. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow, mainly after 7pm. The snow could be heavy at times. Temperature falling to near 21 by 8pm, then rising to around 31 during the remainder of the night. Breezy, with a west wind 14 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.
Wednesday
Snow. The snow could be heavy at times. High near 32. Breezy, with a west wind 14 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
Wednesday Night
Snow. The snow could be heavy at times. Low around 24. Breezy, with a west wind 16 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Thursday
Snow likely, mainly before 10am. Mostly cloudy, with a high near 27. Breezy, with a west wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 22. New snow accumulation of less than a half inch possible.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 29. New snow accumulation of less than one inch possible.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 24.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 26.
Saturday Night
Snow likely, mainly after 10pm. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.
Sunday
Snow likely. Mostly cloudy, with a high near 24. Chance of precipitation is 60%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Monday
Snow. The snow could be heavy at times. High near 27. Chance of precipitation is 80%.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NNE Mazama WA
 48.81°N 120.25°W (Elev. 7405 ft)
9:28 am PST Dec 9, 2025
12pm PST Dec 9, 2025-6pm PST Dec 15, 2025
 
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Additional Resources

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