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

Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Current conditions at

NCSB (NCSW1)

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

NA

41°F

5°C

Humidity 94%
Wind Speed NW 5 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 10 Dec 07:06 PM PST
Extended Forecast for

13 Miles SW Twisp WA

  • Tonight

    Tonight: Rain, possibly mixed with snow, becoming all snow after 9pm. Low around 21. Strong and damaging winds, with a west wind 45 to 50 mph decreasing to 40 to 45 mph after midnight. Winds could gust as high as 60 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 2 to 4 inches possible.

    Low: 21 °F

    Rain/Snow and
    Damaging
    Winds then
    Snow and Very
    Windy

  • Thursday

    Thursday: Snow likely, mainly before 10am. Partly sunny, with a high near 26. Windy, with a west wind 27 to 32 mph decreasing to 14 to 19 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 26 °F

    Snow Likely
    and Windy
    then Slight
    Chance Snow
    and Breezy

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a temperature rising to around 26 by 5am. West wind 14 to 16 mph. New snow accumulation of less than a half inch possible.

    Low: 20 °F⇑

    Chance Snow

  • Friday

    Friday: A 40 percent chance of snow. Partly sunny, with a high near 28. West wind around 14 mph. New snow accumulation of less than a half inch possible.

    High: 28 °F

    Chance Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 24. West wind 15 to 17 mph. Little or no snow accumulation expected.

    Low: 24 °F

    Chance Snow

  • Saturday

    Saturday: A 10 percent chance of snow after 4pm. Mostly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: A 40 percent chance of snow, mainly after 10pm. Mostly cloudy, with a low around 21. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance Snow

  • Sunday

    Sunday: Snow likely. Mostly cloudy, with a high near 26. Chance of precipitation is 70%.

    High: 26 °F

    Snow Likely

  • Sunday Night

    Sunday Night: Snow likely, mainly after 4am. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.

    Low: 23 °F

    Snow Likely

Detailed Forecast

Tonight
Rain, possibly mixed with snow, becoming all snow after 9pm. Low around 21. Strong and damaging winds, with a west wind 45 to 50 mph decreasing to 40 to 45 mph after midnight. Winds could gust as high as 60 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 2 to 4 inches possible.
Thursday
Snow likely, mainly before 10am. Partly sunny, with a high near 26. Windy, with a west wind 27 to 32 mph decreasing to 14 to 19 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a temperature rising to around 26 by 5am. West wind 14 to 16 mph. New snow accumulation of less than a half inch possible.
Friday
A 40 percent chance of snow. Partly sunny, with a high near 28. West wind around 14 mph. New snow accumulation of less than a half inch possible.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 24. West wind 15 to 17 mph. Little or no snow accumulation expected.
Saturday
A 10 percent chance of snow after 4pm. Mostly sunny, with a high near 28.
Saturday Night
A 40 percent chance of snow, mainly after 10pm. Mostly cloudy, with a low around 21. New snow accumulation of less than a half inch possible.
Sunday
Snow likely. Mostly cloudy, with a high near 26. Chance of precipitation is 70%.
Sunday Night
Snow likely, mainly after 4am. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.
Monday
Snow. The snow could be heavy at times. High near 25. Chance of precipitation is 80%.
Monday Night
Snow. The snow could be heavy at times. Low around 20. Breezy. Chance of precipitation is 90%.
Tuesday
Snow. The snow could be heavy at times. High near 23. Breezy. Chance of precipitation is 80%.
Tuesday Night
Snow. The snow could be heavy at times. Low around 18. Breezy. Chance of precipitation is 80%.
Wednesday
Snow. High near 20. Breezy. Chance of precipitation is 80%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles SW Twisp WA
 48.25°N 120.35°W (Elev. 7969 ft)
Last Update:
5:37 pm PST Dec 10, 2025
Forecast Valid:
7pm PST Dec 10, 2025-6pm PST Dec 17, 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