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

Tracking Atmospheric River for the West Coast; Space Weather Storming Continues

An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >

Current conditions at

Stampede Pass (KSMP)

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

Mostly Cloudy

38°F

3°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 38°F (3°C)
Visibility NA
Last update 12 Nov 10:56 PM PST
Extended Forecast for

Snoqualmie Pass WA

  • Tonight

    Tonight: Rain, mainly after 1am. Low around 39. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain

  • Thursday

    Thursday: Rain. High near 47. South wind 3 to 5 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 47 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 37. Light west wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Rain

  • Friday

    Friday: Rain, possibly mixed with snow, becoming all rain after 1pm. High near 42. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain. Patchy fog. Low around 37. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Rain and
    Patchy Fog

  • Saturday

    Saturday: Rain. Patchy fog. High near 46. Chance of precipitation is 80%.

    High: 46 °F

    Rain and
    Patchy Fog

  • Saturday Night

    Saturday Night: Rain likely. Patchy fog. Otherwise, mostly cloudy, with a low around 39. Chance of precipitation is 70%.

    Low: 39 °F

    Rain Likely
    and Patchy
    Fog

  • Sunday

    Sunday: Rain before 1pm, then rain, possibly mixed with snow. Patchy fog before 10am. High near 45. Chance of precipitation is 80%.

    High: 45 °F

    Rain and
    Patchy Fog
    then
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain, possibly mixed with snow. Patchy fog after 4am. Low around 32. Chance of precipitation is 80%.

    Low: 32 °F

    Rain/Snow and
    Patchy Fog

Detailed Forecast

Tonight
Rain, mainly after 1am. Low around 39. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. High near 47. South wind 3 to 5 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Thursday Night
Rain. Low around 37. Light west wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain, possibly mixed with snow, becoming all rain after 1pm. High near 42. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday Night
Rain. Patchy fog. Low around 37. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Rain. Patchy fog. High near 46. Chance of precipitation is 80%.
Saturday Night
Rain likely. Patchy fog. Otherwise, mostly cloudy, with a low around 39. Chance of precipitation is 70%.
Sunday
Rain before 1pm, then rain, possibly mixed with snow. Patchy fog before 10am. High near 45. Chance of precipitation is 80%.
Sunday Night
Rain, possibly mixed with snow. Patchy fog after 4am. Low around 32. Chance of precipitation is 80%.
Monday
Rain and snow likely, mainly before 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 38.
Monday Night
A chance of rain and snow. Patchy freezing fog. Mostly cloudy, with a low around 27.
Tuesday
A chance of rain and snow. Patchy fog. Patchy freezing fog. Otherwise, partly sunny, with a high near 37.
Tuesday Night
A chance of rain and snow. Patchy fog. Patchy freezing fog. Otherwise, mostly cloudy, with a low around 30.
Wednesday
Rain and snow likely. Mostly cloudy, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Snoqualmie Pass WA
 47.43°N 121.41°W (Elev. 3087 ft)
Last Update:
10:55 pm PST Nov 12, 2025
Forecast Valid:
11pm PST Nov 12, 2025-6pm PST Nov 19, 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