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

33°F

1°C

Humidity 90%
Wind Speed NW 3 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 09 Dec 06:06 AM PST
Extended Forecast for

15 Miles N Mazama WA

  • Today

    Today: Snow likely, mainly after 4pm.  Partly sunny, with a high near 23. Breezy, with a west wind 18 to 23 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 37 mph.  Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 23 °F

    Breezy.
    Partly Sunny
    then Snow
    Likely

  • Tonight

    Tonight: Snow. The snow could be heavy at times.  Temperature rising to around 33 by 5am. Windy, with a south wind 17 to 25 mph becoming west after midnight.  Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.

    Low: 21 °F

    Heavy Snow
    and Windy

  • Wednesday

    Wednesday: Snow. The snow could be heavy at times.  Temperature falling to around 28 by 10am. Windy, with a west wind 15 to 25 mph.  Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

    High: 32 °F

    Heavy Snow
    and Windy

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times.  Low around 24. Breezy, with a west wind 16 to 20 mph.  Chance of precipitation is 90%. New snow accumulation of 7 to 11 inches possible.

    Low: 24 °F

    Heavy Snow
    and Breezy

  • Thursday

    Thursday: Snow.  High near 27. Breezy, with a west wind 14 to 21 mph.  Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 27 °F

    Snow and
    Breezy

  • Thursday Night

    Thursday Night: Snow likely.  Mostly cloudy, with a low around 22. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 22 °F

    Snow Likely

  • Friday

    Friday: Snow likely.  Mostly cloudy, with a high near 27. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 27 °F

    Snow Likely

  • Friday Night

    Friday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 24.

    Low: 24 °F

    Chance Snow

  • Saturday

    Saturday: Snow likely, mainly after 4pm.  Mostly cloudy, with a high near 26. Chance of precipitation is 60%.

    High: 26 °F

    Snow Likely

Detailed Forecast

Today
Snow likely, mainly after 4pm. Partly sunny, with a high near 23. Breezy, with a west wind 18 to 23 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow. The snow could be heavy at times. Temperature rising to around 33 by 5am. Windy, with a south wind 17 to 25 mph becoming west after midnight. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.
Wednesday
Snow. The snow could be heavy at times. Temperature falling to around 28 by 10am. Windy, with a west wind 15 to 25 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.
Wednesday Night
Snow. The snow could be heavy at times. Low around 24. Breezy, with a west wind 16 to 20 mph. Chance of precipitation is 90%. New snow accumulation of 7 to 11 inches possible.
Thursday
Snow. High near 27. Breezy, with a west wind 14 to 21 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow likely. Mostly cloudy, with a low around 22. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
Snow likely. Mostly cloudy, with a high near 27. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 24.
Saturday
Snow likely, mainly after 4pm. Mostly cloudy, with a high near 26. Chance of precipitation is 60%.
Saturday Night
Snow likely. Mostly cloudy, with a low around 23. Breezy. Chance of precipitation is 70%.
Sunday
Snow likely. Mostly cloudy, with a high near 24. Breezy. Chance of precipitation is 70%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 23. Chance of precipitation is 70%.
Monday
Snow. High near 27. Breezy. Chance of precipitation is 80%.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles N Mazama WA
 48.82°N 120.48°W (Elev. 7648 ft)
6:53 am PST Dec 9, 2025
7am PST Dec 9, 2025-6pm PST Dec 15, 2025
 
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Additional Resources

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