Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Current conditions at

SAWMILL FLATS (MEFW1)

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

NA

37°F

3°C

Humidity 100%
Wind Speed W 0 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 08 Dec 12:25 PM PST
Extended Forecast for

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: 40 °F

    Heavy Rain

  • Tonight

    Tonight: Rain before 10pm, then rain, possibly mixed with snow. The rain could be heavy at times.  Low around 30. Breezy, with a west wind 20 to 23 mph, with gusts as high as 50 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 30 °F

    Rain/Snow and
    Breezy

  • Tuesday

    Tuesday: Snow before 1pm, then rain, possibly mixed with snow.  High near 40. West wind 6 to 14 mph, with gusts as high as 29 mph.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 40 °F

    Snow then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain, possibly mixed with snow, becoming all rain after 7pm. The rain could be heavy at times.  Low around 35. West wind 9 to 17 mph, with gusts as high as 38 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow
    then Heavy
    Rain

  • Wednesday

    Wednesday: Rain before 10am, then rain, possibly mixed with snow. The rain could be heavy at times.  High near 40. West wind 13 to 17 mph, with gusts as high as 37 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain, possibly mixed with snow, becoming all rain after 1am.  Low around 39. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 39 °F

    Rain/Snow

  • Thursday

    Thursday: Rain.  High near 40. Chance of precipitation is 90%.

    High: 40 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 38. Chance of precipitation is 60%.

    Low: 38 °F

    Rain Likely

Detailed Forecast

This Afternoon
Rain. The rain could be heavy at times. High near 40. West wind around 17 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Tonight
Rain before 10pm, then rain, possibly mixed with snow. The rain could be heavy at times. Low around 30. Breezy, with a west wind 20 to 23 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Tuesday
Snow before 1pm, then rain, possibly mixed with snow. High near 40. West wind 6 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Tuesday Night
Rain, possibly mixed with snow, becoming all rain after 7pm. The rain could be heavy at times. Low around 35. West wind 9 to 17 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday
Rain before 10am, then rain, possibly mixed with snow. The rain could be heavy at times. High near 40. West wind 13 to 17 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday Night
Rain, possibly mixed with snow, becoming all rain after 1am. Low around 39. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Rain. High near 40. Chance of precipitation is 90%.
Thursday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
Friday
A 30 percent chance of rain, mainly before 10am. Partly sunny, with a high near 43.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 35.
Saturday
A chance of rain. Partly sunny, with a high near 42.
Saturday Night
Rain and snow likely. Mostly cloudy, with a low around 33.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
White Pass WA
 46.64°N 121.37°W (Elev. 4672 ft)
12:46 pm PST Dec 8, 2025
12pm PST Dec 8, 2025-6pm PST Dec 14, 2025
 
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Additional Resources

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