Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Current conditions at

Stampede Pass (KSMP)

Lat: 47.27648°NLon: 121.33817°WElev: 3970.0ft.

light rain,mist

33°F

1°C

Humidity 100%
Wind Speed N 3 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 33°F (1°C)
Visibility 1.00 mi
Last update 07 Dec 12:56 PM PST
Extended Forecast for

8 Miles S Snoqualmie Pass WA

  • This Afternoon

    This Afternoon: Rain.  High near 42. West wind around 8 mph, with gusts as high as 26 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 42 °F

    Rain

  • Tonight

    Tonight: Rain before 10pm, then rain likely, possibly mixed with snow.  Low around 37. West wind 6 to 10 mph, with gusts as high as 31 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain/Snow

  • Monday

    Monday: Rain, mainly after 7am. The rain could be heavy at times.  High near 45. Light southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 33 mph.  Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

    High: 45 °F

    Heavy Rain

  • Monday Night

    Monday Night: Rain, possibly mixed with snow before 1am, then rain between 1am and 4am, then rain and snow after 4am. The rain could be heavy at times.  Low around 34. West wind around 15 mph, with gusts as high as 48 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow

  • Tuesday

    Tuesday: Rain and snow before 1pm, then rain between 1pm and 4pm, then rain, possibly mixed with snow after 4pm.  High near 39. West wind 3 to 7 mph. Winds could gust as high as 21 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 39 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain, possibly mixed with snow, becoming all rain after 10pm. The rain could be heavy at times.  Low around 35. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow
    then Heavy
    Rain

  • Wednesday

    Wednesday: Rain. The rain could be heavy at times.  High near 42. Chance of precipitation is 100%.

    High: 42 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: Rain before 1am, then rain likely, possibly mixed with snow between 1am and 4am, then rain likely after 4am. The rain could be heavy at times.  Low around 36. Chance of precipitation is 80%.

    Low: 36 °F

    Heavy Rain
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Rain likely before 7am, then rain likely, possibly mixed with snow between 7am and 10am, then rain likely after 10am.  Mostly cloudy, with a high near 41. Chance of precipitation is 70%.

    High: 41 °F

    Rain/Snow
    Likely then
    Rain Likely

Detailed Forecast

This Afternoon
Rain. High near 42. West wind around 8 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain before 10pm, then rain likely, possibly mixed with snow. Low around 37. West wind 6 to 10 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday
Rain, mainly after 7am. The rain could be heavy at times. High near 45. Light southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.
Monday Night
Rain, possibly mixed with snow before 1am, then rain between 1am and 4am, then rain and snow after 4am. The rain could be heavy at times. Low around 34. West wind around 15 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday
Rain and snow before 1pm, then rain between 1pm and 4pm, then rain, possibly mixed with snow after 4pm. High near 39. West wind 3 to 7 mph. Winds could gust as high as 21 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday Night
Rain, possibly mixed with snow, becoming all rain after 10pm. The rain could be heavy at times. Low around 35. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday
Rain. The rain could be heavy at times. High near 42. Chance of precipitation is 100%.
Wednesday Night
Rain before 1am, then rain likely, possibly mixed with snow between 1am and 4am, then rain likely after 4am. The rain could be heavy at times. Low around 36. Chance of precipitation is 80%.
Thursday
Rain likely before 7am, then rain likely, possibly mixed with snow between 7am and 10am, then rain likely after 10am. Mostly cloudy, with a high near 41. Chance of precipitation is 70%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 38.
Friday
A chance of rain. Mostly cloudy, with a high near 45.
Friday Night
A chance of rain. Mostly cloudy, with a low around 38.
Saturday
Rain likely. Partly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles S Snoqualmie Pass WA
 47.3°N 121.41°W (Elev. 3333 ft)
12:46 pm PST Dec 7, 2025
1pm PST Dec 7, 2025-6pm PST Dec 13, 2025
 
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Additional Resources

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