National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

14 Miles S Stevens Pass WA

  • This Afternoon

    This Afternoon: Rain likely before 4pm, then rain, possibly mixed with snow. High near 40. West wind around 9 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than one inch possible.

    High: 40 °F

    Rain/Snow

  • Tonight

    Tonight: Snow, possibly mixed with rain, mainly before 4am. Low around 32. West wind 10 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow

  • Monday

    Monday: Rain, possibly mixed with snow, becoming all rain after 1pm. The rain could be heavy at times. High near 42. Southwest wind 7 to 9 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: 42 °F

    Rain/Snow

  • Monday Night

    Monday Night: Rain before 10pm, then snow, possibly mixed with rain. The rain and snow could be heavy at times. Low around 29. West wind 14 to 16 mph, with gusts as high as 46 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 29 °F

    Rain/Snow

  • Tuesday

    Tuesday: Snow, possibly mixed with rain before 7am, then snow between 7am and 10am, then snow, possibly mixed with rain after 10am. The snow could be heavy at times. High near 37. West wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 37 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain, possibly mixed with snow. The rain and snow could be heavy at times. Low around 31. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 31 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow. High near 41. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain, possibly mixed with snow. Low around 31. Chance of precipitation is 80%.

    Low: 31 °F

    Rain/Snow

  • Thursday

    Thursday: Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 40. Chance of precipitation is 70%.

    High: 40 °F

    Rain/Snow
    Likely

Detailed Forecast

This Afternoon
Rain likely before 4pm, then rain, possibly mixed with snow. High near 40. West wind around 9 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow, possibly mixed with rain, mainly before 4am. Low around 32. West wind 10 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
Rain, possibly mixed with snow, becoming all rain after 1pm. The rain could be heavy at times. High near 42. Southwest wind 7 to 9 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Monday Night
Rain before 10pm, then snow, possibly mixed with rain. The rain and snow could be heavy at times. Low around 29. West wind 14 to 16 mph, with gusts as high as 46 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Tuesday
Snow, possibly mixed with rain before 7am, then snow between 7am and 10am, then snow, possibly mixed with rain after 10am. The snow could be heavy at times. High near 37. West wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Tuesday Night
Rain, possibly mixed with snow. The rain and snow could be heavy at times. Low around 31. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Wednesday
Rain and snow. High near 41. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain, possibly mixed with snow. Low around 31. Chance of precipitation is 80%.
Thursday
Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 40. Chance of precipitation is 70%.
Thursday Night
Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 34.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 43.
Friday Night
A chance of rain. Mostly cloudy, with a low around 33.
Saturday
Rain likely. Partly sunny, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles S Stevens Pass WA
 47.53°N 121.09°W (Elev. 3471 ft)
Last Update:
1:07 pm PST Dec 7, 2025
Forecast Valid:
1pm PST Dec 7, 2025-6pm PST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation