National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

NCSB (NCSW1)

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

NA

32°F

0°C

Humidity 100%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 10 Dec 12:06 AM PST
Extended Forecast for

17 Miles SW Twisp WA

  • Overnight

    Overnight: Snow before 3am, then rain and snow. The rain and snow could be heavy at times. Low around 22. West wind 11 to 16 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 7 to 11 inches possible.

    Low: 22 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow. The rain and snow could be heavy at times. High near 32. Windy, with a west wind 25 to 28 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 32 °F

    Rain/Snow and
    Windy

  • Wednesday Night

    Wednesday Night: Snow, possibly mixed with rain, becoming all snow after 1am. The rain and snow could be heavy at times. Low around 23. Windy, with a west wind 24 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    Low: 23 °F

    Rain/Snow and
    Windy

  • Thursday

    Thursday: Snow likely, mainly before 10am. Partly sunny, with a high near 27. Breezy, with a west wind 16 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 27 °F

    Breezy. Snow
    Likely then
    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 22. Northwest wind around 14 mph. 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 28. New snow accumulation of less than a half inch possible.

    High: 28 °F

    Chance Snow

  • Friday Night

    Friday Night: A 40 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 25. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow. Partly sunny, with a high near 26.

    High: 26 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: A 40 percent chance of snow, mainly after 10pm. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Chance Snow

Detailed Forecast

Overnight
Snow before 3am, then rain and snow. The rain and snow could be heavy at times. Low around 22. West wind 11 to 16 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 7 to 11 inches possible.
Wednesday
Rain and snow. The rain and snow could be heavy at times. High near 32. Windy, with a west wind 25 to 28 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Wednesday Night
Snow, possibly mixed with rain, becoming all snow after 1am. The rain and snow could be heavy at times. Low around 23. Windy, with a west wind 24 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Thursday
Snow likely, mainly before 10am. Partly sunny, with a high near 27. Breezy, with a west wind 16 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 22. Northwest wind around 14 mph. New snow accumulation of less than a half inch possible.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 28. New snow accumulation of less than a half inch possible.
Friday Night
A 40 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 25. New snow accumulation of less than a half inch possible.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 26.
Saturday Night
A 40 percent chance of snow, mainly after 10pm. Mostly cloudy, with a low around 23.
Sunday
Snow likely, mainly after 10am. Mostly cloudy, with a high near 26. Chance of precipitation is 60%.
Sunday Night
Snow likely. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.
Monday
Snow. The snow could be heavy at times. High near 26. Chance of precipitation is 80%.
Monday Night
Snow. The snow could be heavy at times. Low around 22. Breezy. Chance of precipitation is 90%.
Tuesday
Snow likely. Mostly cloudy, with a high near 23. Breezy. Chance of precipitation is 70%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
17 Miles SW Twisp WA
 48.18°N 120.36°W (Elev. 7339 ft)
Last Update:
1:13 am PST Dec 10, 2025
Forecast Valid:
1am PST Dec 10, 2025-6pm PST Dec 16, 2025
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation