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

Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Hazardous Weather Conditions

Current conditions at

Stampede Pass (KSMP)

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

light rain,mist

48°F

9°C

Humidity 96%
Wind Speed W 10 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 47°F (8°C)
Visibility 5.00 mi
Wind Chill44°F (7°C)
Last update 10 Dec 05:56 PM PST
Extended Forecast for

6 Miles NE Snoqualmie Pass WA

Flood Watch December 10, 06:06pm until December 12, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 10, 06:06pm until December 12, 07:00am

    NOW until 7:00am Fri

    Flood Watch

  • Tonight

    Low: 31 °F

    Breezy. Heavy
    Rain then
    Rain/Snow

  • Thursday

    Thursday: Rain, possibly mixed with snow before 7am, then snow between 7am and 1pm, then snow, possibly mixed with rain after 1pm. The snow could be heavy at times. Steady temperature around 33. West wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 33 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: Rain, possibly mixed with snow, becoming all rain after 1am. Temperature rising to around 36 by 1am. Northwest wind around 8 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 33 °F⇑

    Rain/Snow

  • Friday

    Friday: Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 38. West wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 38 °F

    Rain/Snow
    Likely

  • Friday Night

    Friday Night: A chance of rain and snow before 10pm, then a chance of rain. Mostly cloudy, with a low around 33. West wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 33 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Saturday

    Saturday: A 10 percent chance of rain after 4pm. Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Rain, mainly after 4am. Low around 34. Chance of precipitation is 80%.

    Low: 34 °F

    Chance Rain
    then Rain

  • Sunday

    Sunday: Rain, possibly mixed with snow. High near 35. Chance of precipitation is 80%.

    High: 35 °F

    Rain/Snow

Detailed Forecast

Tonight
Rain before 1am, then rain, possibly mixed with snow. The rain could be heavy at times. Low around 31. Breezy, with a west wind around 24 mph, with gusts as high as 46 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than one inch possible.
Thursday
Rain, possibly mixed with snow before 7am, then snow between 7am and 1pm, then snow, possibly mixed with rain after 1pm. The snow could be heavy at times. Steady temperature around 33. West wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Rain, possibly mixed with snow, becoming all rain after 1am. Temperature rising to around 36 by 1am. Northwest wind around 8 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday
Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 38. West wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Friday Night
A chance of rain and snow before 10pm, then a chance of rain. Mostly cloudy, with a low around 33. West wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Saturday
A 10 percent chance of rain after 4pm. Mostly sunny, with a high near 43.
Saturday Night
Rain, mainly after 4am. Low around 34. Chance of precipitation is 80%.
Sunday
Rain, possibly mixed with snow. High near 35. Chance of precipitation is 80%.
Sunday Night
Rain and snow. Low around 34. Chance of precipitation is 80%.
Monday
Rain, possibly mixed with snow. Mostly cloudy, with a high near 37.
Monday Night
Rain and snow. Mostly cloudy, with a low around 29.
Tuesday
Snow. The snow could be heavy at times. Mostly cloudy, with a high near 31.
Tuesday Night
Snow. The snow could be heavy at times. Mostly cloudy, with a low around 27.
Wednesday
Snow. The snow could be heavy at times. Mostly cloudy, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NE Snoqualmie Pass WA
 47.46°N 121.3°W (Elev. 5174 ft)
Last Update:
4:52 pm PST Dec 10, 2025
Forecast Valid:
6pm PST Dec 10, 2025-6pm PST Dec 17, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation