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

34°F

1°C

Humidity 100%
Wind Speed NW 4 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Wind Chill30°F (-1°C)
Last update 10 Dec 09:06 AM PST
Extended Forecast for

11 Miles WSW Twisp WA

  • Today

    Today: Rain. The rain could be heavy at times. High near 41. Breezy, with a west wind 18 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

    High: 41 °F

    Heavy Rain
    and Breezy

  • Tonight

    Tonight: Rain, possibly mixed with snow. The rain could be heavy at times. Low around 32. Breezy, with a west wind 13 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow and
    Breezy

  • Thursday

    Thursday: Rain and snow likely before 7am, then a chance of snow. Partly sunny, with a temperature falling to around 30 by 5pm. West wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 36 °F⇓

    Rain/Snow
    Likely then
    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 30. West wind around 7 mph. Little or no snow accumulation expected.

    Low: 30 °F

    Chance Snow

  • Friday

    Friday: A chance of snow before 1pm, then a chance of rain and snow between 1pm and 4pm, then a chance of snow after 4pm. Partly sunny, with a high near 37. West wind around 7 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 37 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of snow before 7pm, then a chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A 20 percent chance of snow. Partly sunny, with a high near 35.

    High: 35 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: A 40 percent chance of snow, mainly after 10pm. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance Snow

  • Sunday

    Sunday: Snow likely, mainly after 10am. Mostly cloudy, with a high near 35. Chance of precipitation is 60%.

    High: 35 °F

    Snow Likely

Detailed Forecast

Today
Rain. The rain could be heavy at times. High near 41. Breezy, with a west wind 18 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.
Tonight
Rain, possibly mixed with snow. The rain could be heavy at times. Low around 32. Breezy, with a west wind 13 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday
Rain and snow likely before 7am, then a chance of snow. Partly sunny, with a temperature falling to around 30 by 5pm. West wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 30. West wind around 7 mph. Little or no snow accumulation expected.
Friday
A chance of snow before 1pm, then a chance of rain and snow between 1pm and 4pm, then a chance of snow after 4pm. Partly sunny, with a high near 37. West wind around 7 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Friday Night
A chance of snow before 7pm, then a chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 35.
Saturday Night
A 40 percent chance of snow, mainly after 10pm. Mostly cloudy, with a low around 30.
Sunday
Snow likely, mainly after 10am. Mostly cloudy, with a high near 35. Chance of precipitation is 60%.
Sunday Night
Snow likely, mainly after 4am. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.
Monday
Rain and snow. High near 33. Chance of precipitation is 80%.
Monday Night
Rain and snow. Low around 30. Chance of precipitation is 90%.
Tuesday
Snow likely. Mostly cloudy, with a high near 32. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WSW Twisp WA
 48.29°N 120.33°W (Elev. 5220 ft)
Last Update:
8:27 am PST Dec 10, 2025
Forecast Valid:
9am PST Dec 10, 2025-6pm PST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation