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

SAWMILL FLATS (MEFW1)

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

NA

38°F

3°C

Humidity 100%
Wind Speed NNW 1 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 09 Dec 11:25 PM PST
Extended Forecast for

8 Miles SSE White Pass WA

Flood Watch December 10, 12:29am until December 12, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 10, 12:29am until December 12, 07:00am

    NOW until 7:00am Fri

    Flood Watch

  • Overnight

    Low: 39 °F

    Heavy Rain
    and Breezy

  • Wednesday

    Wednesday: Rain.  High near 40. Windy, with a west wind 34 to 39 mph, with gusts as high as 55 mph.  Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    High: 40 °F

    Rain and
    Windy

  • Wednesday Night

    Wednesday Night: Rain.  Low around 35. Windy, with a west wind around 39 mph, with gusts as high as 55 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 35 °F

    Rain and
    Windy

  • Thursday

    Thursday: Rain, possibly mixed with snow.  High near 38. Windy, with a west wind 27 to 32 mph decreasing to 21 to 26 mph in the afternoon. Winds could gust as high as 38 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 38 °F

    Rain/Snow and
    Windy

  • Thursday Night

    Thursday Night: Rain likely, possibly mixed with snow.  Mostly cloudy, with a low around 36. West wind around 14 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow
    Likely

  • Friday

    Friday: A chance of snow before 1pm, then a chance of rain between 1pm and 4pm, then a chance of rain and snow after 4pm.  Mostly cloudy, with a high near 38. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 38 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain and snow before 10pm, then a slight chance of snow.  Mostly cloudy, with a low around 33. Chance of precipitation is 40%.

    Low: 33 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow.  Partly sunny, with a high near 37.

    High: 37 °F

    Slight Chance
    Snow

Detailed Forecast

Overnight
Rain. The rain could be heavy at times. Steady temperature around 39. Breezy, with a west wind 20 to 29 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Wednesday
Rain. High near 40. Windy, with a west wind 34 to 39 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Wednesday Night
Rain. Low around 35. Windy, with a west wind around 39 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Rain, possibly mixed with snow. High near 38. Windy, with a west wind 27 to 32 mph decreasing to 21 to 26 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday Night
Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 36. West wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Friday
A chance of snow before 1pm, then a chance of rain between 1pm and 4pm, then a chance of rain and snow after 4pm. Mostly cloudy, with a high near 38. Chance of precipitation is 50%. Little or no snow accumulation expected.
Friday Night
A chance of rain and snow before 10pm, then a slight chance of snow. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 37.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 32.
Sunday
Snow likely, mainly before 4pm. Mostly cloudy, with a high near 34.
Sunday Night
Snow likely. Mostly cloudy, with a low around 32.
Monday
Rain and snow. Mostly cloudy, with a high near 35.
Monday Night
Rain and snow. Mostly cloudy, with a low around 30. Breezy.
Tuesday
Snow. Mostly cloudy, with a high near 32. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSE White Pass WA
 46.53°N 121.34°W (Elev. 6591 ft)
12:25 am PST Dec 10, 2025
12am PST Dec 10, 2025-6pm PST Dec 16, 2025
 
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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