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

46°F

8°C

Humidity 99%
Wind Speed NNW 1 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 08 Dec 07:25 PM PST
Extended Forecast for

2 Miles ESE 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

  • Tonight

    Low: 31 °F

    Heavy Rain
    then
    Rain/Snow

  • Tuesday

    Tuesday: Rain, possibly mixed with snow.  High near 42. West wind 6 to 11 mph becoming light  in the afternoon. Winds could gust as high as 26 mph.  Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 42 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain. The rain could be heavy at times.  Temperature falling to near 36 by 8pm, then rising to around 44 during the remainder of the night. West wind 6 to 14 mph, with gusts as high as 37 mph.  Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

    Low: 36 °F

    Heavy Rain

  • Wednesday

    Wednesday: Rain. The rain could be heavy at times.  High near 44. West wind around 14 mph, with gusts as high as 37 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 44 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: Rain.  Low around 41. West wind around 11 mph, with gusts as high as 33 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 41 °F

    Rain

  • Thursday

    Thursday: Rain, possibly mixed with snow, becoming all rain after 1pm.  High near 43. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Friday

    Friday: A 30 percent chance of rain, mainly before 10am.  Partly sunny, with a high near 45.

    High: 45 °F

    Chance Rain

Detailed Forecast

Tonight
Rain before 1am, then snow, possibly mixed with rain. The rain could be heavy at times. Low around 31. West wind 16 to 20 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Rain, possibly mixed with snow. High near 42. West wind 6 to 11 mph becoming light in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Tuesday Night
Rain. The rain could be heavy at times. Temperature falling to near 36 by 8pm, then rising to around 44 during the remainder of the night. West wind 6 to 14 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.
Wednesday
Rain. The rain could be heavy at times. High near 44. West wind around 14 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday Night
Rain. Low around 41. West wind around 11 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Rain, possibly mixed with snow, becoming all rain after 1pm. High near 43. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 40.
Friday
A 30 percent chance of rain, mainly before 10am. Partly sunny, with a high near 45.
Friday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 36.
Saturday
A chance of rain, mainly after 10am. Mostly sunny, with a high near 45.
Saturday Night
Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 34.
Sunday
Rain likely, possibly mixed with snow. Partly sunny, with a high near 38.
Sunday Night
Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 34.
Monday
Rain and snow. Mostly cloudy, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE White Pass WA
 46.64°N 121.34°W (Elev. 3812 ft)
3:20 pm PST Dec 8, 2025
8pm 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