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 02:06 AM PST
Extended Forecast for

9 Miles SE Twisp WA

  • Overnight

    Overnight: Rain, possibly mixed with snow.  Low around 29. West wind 6 to 8 mph.  Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 29 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain, mainly before 10am.  High near 40. Northwest wind around 8 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 40 °F

    Rain then
    Chance Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly before 1am.  Mostly cloudy, with a low around 33. Northwest wind 7 to 13 mph, with gusts as high as 21 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Chance Rain

  • Thursday

    Thursday: Partly sunny, with a high near 37. Northwest wind 7 to 13 mph.

    High: 37 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before 4am.  Mostly cloudy, with a low around 30. Northwest wind 6 to 9 mph.

    Low: 30 °F

    Slight Chance
    Snow

  • Friday

    Friday: A slight chance of rain and snow after 10am.  Partly sunny, with a high near 36. Chance of precipitation is 20%.

    High: 36 °F

    Slight Chance
    Rain/Snow

  • Friday Night

    Friday Night: A slight chance of rain and snow before 10pm.  Mostly cloudy, with a low around 31. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 33.

    High: 33 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of rain and snow, mainly after 4am.  Mostly cloudy, with a low around 30. Chance of precipitation is 30%.

    Low: 30 °F

    Chance
    Rain/Snow

Detailed Forecast

Overnight
Rain, possibly mixed with snow. Low around 29. West wind 6 to 8 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.
Wednesday
Rain, mainly before 10am. High near 40. Northwest wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 30 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 33. Northwest wind 7 to 13 mph, with gusts as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Partly sunny, with a high near 37. Northwest wind 7 to 13 mph.
Thursday Night
A 20 percent chance of snow before 4am. Mostly cloudy, with a low around 30. Northwest wind 6 to 9 mph.
Friday
A slight chance of rain and snow after 10am. Partly sunny, with a high near 36. Chance of precipitation is 20%.
Friday Night
A slight chance of rain and snow before 10pm. Mostly cloudy, with a low around 31. Chance of precipitation is 20%.
Saturday
Mostly cloudy, with a high near 33.
Saturday Night
A chance of rain and snow, mainly after 4am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Sunday
A chance of rain and snow before 7am, then a chance of snow between 7am and 1pm, then a chance of rain and snow after 1pm. Partly sunny, with a high near 35. Chance of precipitation is 40%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Monday
Rain and snow. High near 33. Chance of precipitation is 80%.
Monday Night
Rain and snow. Low around 30. Chance of precipitation is 80%.
Tuesday
Snow likely. Partly sunny, with a high near 34. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SE Twisp WA
 48.25°N 120°W (Elev. 4911 ft)
1:13 am PST Dec 10, 2025
2am PST Dec 10, 2025-6pm PST Dec 16, 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