Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

Lat: 48.34694°NLon: 120.72028°WElev: 1230.0ft.

NA

42°F

6°C

Humidity 99%
Wind Speed NW 3 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 09 Dec 12:01 AM PST
Extended Forecast for

13 Miles WNW Mazama WA

  • Overnight

    Overnight: A 30 percent chance of snow after 4am.  Mostly cloudy, with a low around 22. Breezy, with a west wind around 22 mph, with gusts as high as 36 mph.  Total nighttime snow accumulation of 7 to 11 inches possible.

    Low: 22 °F

    Chance Snow
    and Breezy

  • Tuesday

    Tuesday: A chance of snow before 10am, then snow likely after 1pm. The snow could be heavy at times.  Mostly cloudy, with a high near 26. West wind 9 to 17 mph, with gusts as high as 28 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    High: 26 °F

    Chance Snow
    then Heavy
    Snow

  • Tuesday Night

    Tuesday Night: Snow. The snow could be heavy at times.  Temperature rising to around 31 by 2am. South wind 10 to 14 mph becoming west after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.

    Low: 23 °F

    Heavy Snow

  • Wednesday

    Wednesday: Snow. The snow could be heavy at times.  High near 31. West wind 14 to 16 mph, with gusts as high as 32 mph.  Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

    High: 31 °F

    Heavy Snow

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times.  Low around 26. West wind around 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%. New snow accumulation of 7 to 11 inches possible.

    Low: 26 °F

    Heavy Snow

  • Thursday

    Thursday: Snow.  High near 28. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 28 °F

    Snow

  • Thursday Night

    Thursday Night: Snow likely.  Mostly cloudy, with a low around 26. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Snow Likely

  • Friday

    Friday: Snow likely.  Mostly cloudy, with a high near 31. Chance of precipitation is 60%.

    High: 31 °F

    Snow Likely

  • Friday Night

    Friday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 28.

    Low: 28 °F

    Chance Snow

Detailed Forecast

Overnight
A 30 percent chance of snow after 4am. Mostly cloudy, with a low around 22. Breezy, with a west wind around 22 mph, with gusts as high as 36 mph. Total nighttime snow accumulation of 7 to 11 inches possible.
Tuesday
A chance of snow before 10am, then snow likely after 1pm. The snow could be heavy at times. Mostly cloudy, with a high near 26. West wind 9 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Tuesday Night
Snow. The snow could be heavy at times. Temperature rising to around 31 by 2am. South wind 10 to 14 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.
Wednesday
Snow. The snow could be heavy at times. High near 31. West wind 14 to 16 mph, with gusts as high as 32 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 26. West wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of 7 to 11 inches possible.
Thursday
Snow. High near 28. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow likely. Mostly cloudy, with a low around 26. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
Snow likely. Mostly cloudy, with a high near 31. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 28.
Saturday
Snow likely, mainly after 4pm. Mostly cloudy, with a high near 30. Chance of precipitation is 60%.
Saturday Night
Snow. Low around 26. Chance of precipitation is 80%.
Sunday
Snow. High near 27. Chance of precipitation is 80%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 23. Chance of precipitation is 70%.
Monday
Snow. High near 28. Chance of precipitation is 80%.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles WNW Mazama WA
 48.71°N 120.67°W (Elev. 6266 ft)
10:06 pm PST Dec 8, 2025
1am PST Dec 9, 2025-6pm PST Dec 15, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database