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 N 2 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 08 Dec 09:25 PM PST
Extended Forecast for

12 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: 34 °F

    Breezy. Heavy
    Rain then
    Rain/Snow

  • Tuesday

    Tuesday: Rain, possibly mixed with snow, mainly after 1pm.  High near 45. West wind 5 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain.  Temperature falling to near 38 by 8pm, then rising to around 47 during the remainder of the night. Southwest wind 6 to 13 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 38 °F

    Rain

  • Wednesday

    Wednesday: Rain.  High near 49. West wind 14 to 17 mph, with gusts as high as 34 mph.  Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    High: 49 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain.  Low around 44. West wind 10 to 14 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Rain

  • Thursday

    Thursday: Rain, mainly before 4pm.  High near 47. Chance of precipitation is 80%.

    High: 47 °F

    Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain, mainly before 10pm.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Friday

    Friday: A 20 percent chance of rain.  Partly sunny, with a high near 48.

    High: 48 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Rain before 1am, then rain and snow. The rain could be heavy at times. Low around 34. Breezy, with a west wind 16 to 24 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday
Rain, possibly mixed with snow, mainly after 1pm. High near 45. West wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday Night
Rain. Temperature falling to near 38 by 8pm, then rising to around 47 during the remainder of the night. Southwest wind 6 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday
Rain. High near 49. West wind 14 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Wednesday Night
Rain. Low around 44. West wind 10 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain, mainly before 4pm. High near 47. Chance of precipitation is 80%.
Thursday Night
A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 43.
Friday
A 20 percent chance of rain. Partly sunny, with a high near 48.
Friday Night
A slight chance of rain before 10pm, then a slight chance of rain after 4am. Partly cloudy, with a low around 39. Chance of precipitation is 20%.
Saturday
A chance of rain, mainly after 10am. Mostly sunny, with a high near 49.
Saturday Night
Rain likely. Mostly cloudy, with a low around 37.
Sunday
Rain likely. Partly sunny, with a high near 41.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 36.
Monday
Rain, possibly mixed with snow. Mostly cloudy, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles ESE White Pass WA
 46.6°N 121.14°W (Elev. 3556 ft)
9:37 pm PST Dec 8, 2025
9pm PST Dec 8, 2025-6pm PST Dec 15, 2025
 
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Additional Resources

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