Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Current conditions at

NCSB (NCSW1)

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

NA

35°F

2°C

Humidity 97%
Wind Speed NNW 1 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 08 Dec 02:06 PM PST
Extended Forecast for

6 Miles NNE Mazama WA

  • This Afternoon

    This Afternoon: Snow, possibly mixed with rain.  High near 30. Southwest wind around 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 5 inches possible.

    High: 30 °F

    Rain/Snow

  • Tonight

    Tonight: Snow, possibly mixed with rain, becoming all snow after 9pm, then gradually ending. The snow could be heavy at times.  Low around 22. Windy, with a west wind 23 to 29 mph, with gusts as high as 47 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 22 °F

    Windy.
    Rain/Snow
    then Heavy
    Snow

  • Tuesday

    Tuesday: Snow likely, mainly after 4pm.  Mostly cloudy, with a high near 26. Breezy, with a west wind 17 to 22 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 34 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 26 °F

    Partly Sunny
    and Breezy
    then Snow
    Likely

  • Tuesday Night

    Tuesday Night: Snow. The snow could be heavy at times.  Low around 23. West wind 9 to 14 mph.  Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

    Low: 23 °F

    Heavy Snow

  • Wednesday

    Wednesday: Snow. The snow could be heavy at times.  High near 31. Breezy, with a west wind 15 to 20 mph, with gusts as high as 32 mph.  Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

    High: 31 °F

    Heavy Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times.  Low around 27. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.

    Low: 27 °F

    Heavy Snow

  • Thursday

    Thursday: Snow likely.  Mostly cloudy, with a high near 28. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 28 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 25.

    Low: 25 °F

    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow.  Mostly cloudy, with a high near 31.

    High: 31 °F

    Chance Snow

Detailed Forecast

This Afternoon
Snow, possibly mixed with rain. High near 30. Southwest wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 5 inches possible.
Tonight
Snow, possibly mixed with rain, becoming all snow after 9pm, then gradually ending. The snow could be heavy at times. Low around 22. Windy, with a west wind 23 to 29 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Tuesday
Snow likely, mainly after 4pm. Mostly cloudy, with a high near 26. Breezy, with a west wind 17 to 22 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Tuesday Night
Snow. The snow could be heavy at times. Low around 23. West wind 9 to 14 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.
Wednesday
Snow. The snow could be heavy at times. High near 31. Breezy, with a west wind 15 to 20 mph, with gusts as high as 32 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 27. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.
Thursday
Snow likely. Mostly cloudy, with a high near 28. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 25.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 31.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 28.
Saturday
A 40 percent chance of snow. Partly sunny, with a high near 30.
Saturday Night
Snow likely. Mostly cloudy, with a low around 26. Chance of precipitation is 70%.
Sunday
Snow likely. Mostly cloudy, with a high near 27. Chance of precipitation is 70%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.
Monday
Snow likely. Mostly cloudy, with a high near 28. Chance of precipitation is 70%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNE Mazama WA
 48.68°N 120.41°W (Elev. 6191 ft)
2:32 pm PST Dec 8, 2025
3pm PST Dec 8, 2025-6pm PST Dec 15, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database