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

SAWMILL FLATS (MEFW1)

Lat: 46.9675°NLon: 121.08444°WElev: 3000.0ft.

NA

54°F

12°C

Humidity 67%
Wind Speed NW 5 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 11 Dec 12:25 AM PST
Extended Forecast for

Chinook Pass WA

Flood Watch December 11, 01:33am until December 12, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 11, 01:33am until December 12, 07:00am

    NOW until 7:00am Fri

    Flood Watch

  • Overnight

    Low: 36 °F

    Rain

  • Thursday

    Thursday: Rain.  Temperature falling to around 35 by 10am. West wind 10 to 13 mph, with gusts as high as 31 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 38 °F

    Rain

  • Thursday Night

    Thursday Night: Rain, mainly before 1am.  Low around 35. Southwest wind around 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Rain

  • Friday

    Friday: A 50 percent chance of rain.  Partly sunny, with a high near 38. West wind around 10 mph, with gusts as high as 22 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 38 °F

    Chance Rain

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly before 10pm.  Mostly cloudy, with a low around 31. West wind 10 to 13 mph, with gusts as high as 28 mph.

    Low: 31 °F

    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Rain, mainly after 4am.  Low around 34. Chance of precipitation is 80%.

    Low: 34 °F

    Chance Rain
    then Rain

  • Sunday

    Sunday: Rain.  High near 37. Chance of precipitation is 80%.

    High: 37 °F

    Rain

Detailed Forecast

Overnight
Rain. Low around 36. West wind around 16 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. Temperature falling to around 35 by 10am. West wind 10 to 13 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain, mainly before 1am. Low around 35. Southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 50 percent chance of rain. Partly sunny, with a high near 38. West wind around 10 mph, with gusts as high as 22 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 31. West wind 10 to 13 mph, with gusts as high as 28 mph.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
Rain, mainly after 4am. Low around 34. Chance of precipitation is 80%.
Sunday
Rain. High near 37. Chance of precipitation is 80%.
Sunday Night
Rain. Low around 35. Chance of precipitation is 80%.
Monday
Rain. Mostly cloudy, with a high near 38.
Monday Night
Rain and snow. Mostly cloudy, with a low around 28.
Tuesday
Snow. The snow could be heavy at times. Mostly cloudy, with a high near 30.
Tuesday Night
Snow. The snow could be heavy at times. Mostly cloudy, with a low around 24.
Wednesday
Snow. The snow could be heavy at times. Mostly cloudy, with a high near 27.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Chinook Pass WA
 46.88°N 121.5°W (Elev. 4823 ft)
1:25 am PST Dec 11, 2025
1am PST Dec 11, 2025-6pm PST Dec 17, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database