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,fog

36°F

2°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 36°F (2°C)
Visibility 0.25 mi
Last update 07 Dec 01:05 PM PST
Extended Forecast for

6 Miles E Snoqualmie Pass WA

  • This Afternoon

    This Afternoon: Rain.  High near 42. West wind around 9 mph, with gusts as high as 24 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 42 °F

    Rain

  • Tonight

    Tonight: Rain, possibly mixed with snow, mainly before 4am.  Low around 36. West wind 7 to 13 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow

  • Monday

    Monday: Rain, mainly after 7am. The rain could be heavy at times.  High near 46. Southwest wind 5 to 9 mph, with gusts as high as 31 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 46 °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 13 to 15 mph, with gusts as high as 47 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow

  • Tuesday

    Tuesday: Rain, possibly mixed with snow.  High near 39. West wind 3 to 7 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 44. Chance of precipitation is 100%.

    High: 44 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: Rain before 1am, then rain likely, possibly mixed with snow. 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, possibly mixed with snow, becoming all rain after 1pm.  Mostly cloudy, with a high near 42. Chance of precipitation is 70%.

    High: 42 °F

    Rain/Snow
    Likely

Detailed Forecast

This Afternoon
Rain. High near 42. West wind around 9 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain, possibly mixed with snow, mainly before 4am. Low around 36. West wind 7 to 13 mph, with gusts as high as 30 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 46. Southwest wind 5 to 9 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 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 13 to 15 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday
Rain, possibly mixed with snow. High near 39. West wind 3 to 7 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 44. Chance of precipitation is 100%.
Wednesday Night
Rain before 1am, then rain likely, possibly mixed with snow. The rain could be heavy at times. Low around 36. Chance of precipitation is 80%.
Thursday
Rain likely, possibly mixed with snow, becoming all rain after 1pm. Mostly cloudy, with a high near 42. 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 46.
Friday Night
A chance of rain. Mostly cloudy, with a low around 38.
Saturday
Rain likely. Partly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles E Snoqualmie Pass WA
 47.4°N 121.28°W (Elev. 3323 ft)
1:07 pm PST Dec 7, 2025
1pm PST Dec 7, 2025-6pm PST Dec 13, 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