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 >

Hazardous Weather Conditions

Current conditions at

NCSB (NCSW1)

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

NA

35°F

2°C

Humidity 100%
Wind Speed NNW 2 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 08 Dec 11:06 AM PST
Extended Forecast for

17 Miles N Mazama WA

  • This Afternoon

    This Afternoon: Snow. The snow could be heavy at times.  High near 33. Southwest wind around 17 mph, with gusts as high as 28 mph.  Chance of precipitation is 100%. Total daytime snow accumulation of 5 to 9 inches possible.

    High: 33 °F

    Heavy Snow

  • Tonight

    Tonight: Snow, mainly before 1am. The snow could be heavy at times.  Low around 24. Windy, with a west wind 21 to 25 mph, with gusts as high as 41 mph.  Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    Low: 24 °F

    Heavy Snow
    and Windy

  • Tuesday

    Tuesday: A 50 percent chance of snow.  Mostly cloudy, with a high near 26. Breezy, with a west wind 18 to 23 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 36 mph.  New snow accumulation of 1 to 2 inches possible.

    High: 26 °F

    Chance Snow
    and Breezy

  • Tuesday Night

    Tuesday Night: Snow. The snow could be heavy at times.  Low around 24. Southwest wind 10 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    Low: 24 °F

    Heavy Snow

  • Wednesday

    Wednesday: Snow.  High near 29. West wind 14 to 17 mph, with gusts as high as 28 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    High: 29 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow.  Low around 26. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    Low: 26 °F

    Snow

  • Thursday

    Thursday: Snow.  High near 30. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 30 °F

    Snow

  • Thursday Night

    Thursday Night: Snow likely.  Mostly cloudy, with a low around 28. Chance of precipitation is 70%.

    Low: 28 °F

    Snow Likely

  • Friday

    Friday: Snow likely, mainly before 10am.  Mostly cloudy, with a high near 32. Chance of precipitation is 60%.

    High: 32 °F

    Snow Likely

Detailed Forecast

This Afternoon
Snow. The snow could be heavy at times. High near 33. Southwest wind around 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 5 to 9 inches possible.
Tonight
Snow, mainly before 1am. The snow could be heavy at times. Low around 24. Windy, with a west wind 21 to 25 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Tuesday
A 50 percent chance of snow. Mostly cloudy, with a high near 26. Breezy, with a west wind 18 to 23 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 36 mph. New snow accumulation of 1 to 2 inches possible.
Tuesday Night
Snow. The snow could be heavy at times. Low around 24. Southwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Wednesday
Snow. High near 29. West wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Wednesday Night
Snow. Low around 26. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Thursday
Snow. High near 30. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 70%.
Friday
Snow likely, mainly before 10am. Mostly cloudy, with a high near 32. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 28.
Saturday
A 50 percent chance of snow. Partly sunny, with a high near 32.
Saturday Night
Snow likely. Mostly cloudy, with a low around 27. Chance of precipitation is 70%.
Sunday
Snow likely. Mostly cloudy, with a high near 29. Chance of precipitation is 70%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
17 Miles N Mazama WA
 48.85°N 120.45°W (Elev. 6677 ft)
9:23 am PST Dec 8, 2025
12pm PST Dec 8, 2025-6pm PST Dec 14, 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