Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

SAWMILL FLATS (MEFW1)

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

NA

45°F

7°C

Humidity 100%
Wind Speed NNW 1 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 08 Dec 05:25 PM PST
Extended Forecast for

6 Miles SSE White Pass WA

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

    NOW until 7:00am Fri

    Flood Watch

  • This Afternoon

    High: 38 °F

    Heavy Rain
    and Windy

  • Tonight

    Tonight: Rain before 10pm, then rain and snow. The rain could be heavy at times.  Low around 28. Very windy, with a west wind 34 to 41 mph, with gusts as high as 55 mph.  Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 28 °F

    Rain/Snow and
    Very Windy

  • Tuesday

    Tuesday: Snow before 1pm, then rain and snow.  High near 39. Southwest wind 16 to 21 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 28 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 39 °F

    Snow then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow, becoming all rain after 7pm. The rain could be heavy at times.  Low around 33. Windy, with a southwest wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 39 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow and
    Breezy then
    Heavy Rain
    and Windy

  • Wednesday

    Wednesday: Rain and snow.  High near 40. Windy, with a west wind 25 to 31 mph, with gusts as high as 41 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow and
    Windy

  • Wednesday Night

    Wednesday Night: Rain, possibly mixed with snow.  Low around 35. Breezy.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow and
    Breezy

  • Thursday

    Thursday: Rain and snow.  High near 38. Breezy.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 38 °F

    Rain/Snow and
    Breezy

  • Thursday Night

    Thursday Night: A chance of rain and snow.  Mostly cloudy, with a low around 36. Chance of precipitation is 50%.

    Low: 36 °F

    Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Rain. The rain could be heavy at times. High near 38. Windy, with a west wind around 37 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain before 10pm, then rain and snow. The rain could be heavy at times. Low around 28. Very windy, with a west wind 34 to 41 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Tuesday
Snow before 1pm, then rain and snow. High near 39. Southwest wind 16 to 21 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Tuesday Night
Rain and snow, becoming all rain after 7pm. The rain could be heavy at times. Low around 33. Windy, with a southwest wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday
Rain and snow. High near 40. Windy, with a west wind 25 to 31 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday Night
Rain, possibly mixed with snow. Low around 35. Breezy. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday
Rain and snow. High near 38. Breezy. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 36. Chance of precipitation is 50%.
Friday
A chance of rain and snow before 4pm, then a slight chance of rain. Partly sunny, with a high near 38. Chance of precipitation is 30%.
Friday Night
A slight chance of rain before 10pm, then a slight chance of rain and snow. Mostly cloudy, with a low around 34.
Saturday
A chance of snow. Mostly sunny, with a high near 38.
Saturday Night
Snow likely. Mostly cloudy, with a low around 30.
Sunday
Snow likely. Mostly cloudy, with a high near 32.
Sunday Night
Snow likely. Mostly cloudy, with a low around 31.
Monday
Snow. Mostly cloudy, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE White Pass WA
 46.56°N 121.32°W (Elev. 6388 ft)
3:20 pm PST Dec 8, 2025
5pm PST Dec 8, 2025-6pm PST Dec 15, 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