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 >

Hazardous Weather Conditions

Current conditions at

SAWMILL FLATS (MEFW1)

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

NA

40°F

4°C

Humidity 100%
Wind Speed NNE 3 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 10 Dec 04:25 AM PST
Extended Forecast for

Chinook Pass WA

Flood Watch December 10, 05:33am until December 12, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 10, 05:33am until December 12, 07:00am

    NOW until 7:00am Fri

    Flood Watch

  • Overnight

    Low: 39 °F

    Heavy Rain
    and Breezy

  • Wednesday

    Wednesday: Rain. The rain could be heavy at times. High near 39. Breezy, with a southwest wind around 24 mph, with gusts as high as 48 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    High: 39 °F

    Heavy Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: Rain. Low around 34. Breezy, with a west wind around 24 mph, with gusts as high as 46 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 34 °F

    Rain and
    Breezy

  • Thursday

    Thursday: Rain. High near 37. Breezy, with a west wind 15 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 37 °F

    Rain and
    Breezy

  • Thursday Night

    Thursday Night: Rain. Low around 35. West wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Rain

  • Friday

    Friday: Rain likely, mainly before 10am. Partly sunny, with a high near 38. Chance of precipitation is 60%.

    High: 38 °F

    Rain Likely

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain

  • Saturday

    Saturday: A 10 percent chance of rain after 4pm. Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny
    then Slight
    Chance Rain

Detailed Forecast

Overnight
Rain. The rain could be heavy at times. Steady temperature around 39. Breezy, with a southwest wind around 23 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain. The rain could be heavy at times. High near 39. Breezy, with a southwest wind around 24 mph, with gusts as high as 48 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Wednesday Night
Rain. Low around 34. Breezy, with a west wind around 24 mph, with gusts as high as 46 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain. High near 37. Breezy, with a west wind 15 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 35. West wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain likely, mainly before 10am. Partly sunny, with a high near 38. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 32.
Saturday
A 10 percent chance of rain after 4pm. Mostly sunny, with a high near 42.
Saturday Night
Rain, mainly after 4am. Low around 33. Chance of precipitation is 80%.
Sunday
Rain, possibly mixed with snow. Mostly cloudy, with a high near 35.
Sunday Night
Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 33.
Monday
Rain, possibly mixed with snow. Mostly cloudy, with a high near 37.
Monday Night
Rain and snow. Mostly cloudy, with a low around 29.
Tuesday
Snow. Mostly cloudy, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chinook Pass WA
 46.88°N 121.5°W (Elev. 4823 ft)
Last Update:
4:20 am PST Dec 10, 2025
Forecast Valid:
5am PST Dec 10, 2025-6pm PST Dec 16, 2025
 
Forecast Discussion
 
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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