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

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Current conditions at

Stampede Pass (KSMP)

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

Overcast

45°F

7°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 45°F (7°C)
Visibility NA
Last update 15 Nov 11:56 AM PST
Extended Forecast for

4 Miles SE Snoqualmie Pass WA

  • This Afternoon

    This Afternoon: Showers likely. Patchy dense fog. Otherwise, mostly cloudy, with a high near 47. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Showers
    Likely and
    Patchy Dense
    Fog

  • Tonight

    Tonight: Rain likely, mainly after 4am. Patchy dense fog. Otherwise, mostly cloudy, with a low around 40. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Rain Likely
    and Patchy
    Dense Fog

  • Sunday

    Sunday: Rain. High near 48. Light southeast wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 38. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain

  • Monday

    Monday: Rain, possibly mixed with snow. High near 43. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow

  • Monday Night

    Monday Night: Rain and snow likely, mainly before 10pm. Mostly cloudy, with a low around 31. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 31 °F

    Rain/Snow
    Likely

  • Tuesday

    Tuesday: A chance of rain and snow before 7am, then a chance of snow between 7am and 10am, then a chance of rain and snow after 10am. Mostly cloudy, with a high near 38. Chance of precipitation is 40%.

    High: 38 °F

    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow before 10pm. Mostly cloudy, with a low around 28. Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Wednesday

    Wednesday: A chance of snow after 10am, mixing with rain after 1pm. Partly sunny, with a high near 40. Chance of precipitation is 30%.

    High: 40 °F

    Chance Snow
    then Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Showers likely. Patchy dense fog. Otherwise, mostly cloudy, with a high near 47. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain likely, mainly after 4am. Patchy dense fog. Otherwise, mostly cloudy, with a low around 40. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain. High near 48. Light southeast wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain. Low around 38. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain, possibly mixed with snow. High near 43. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday Night
Rain and snow likely, mainly before 10pm. Mostly cloudy, with a low around 31. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday
A chance of rain and snow before 7am, then a chance of snow between 7am and 10am, then a chance of rain and snow after 10am. Mostly cloudy, with a high near 38. Chance of precipitation is 40%.
Tuesday Night
A slight chance of rain and snow before 10pm. Mostly cloudy, with a low around 28. Chance of precipitation is 20%.
Wednesday
A chance of snow after 10am, mixing with rain after 1pm. Partly sunny, with a high near 40. Chance of precipitation is 30%.
Wednesday Night
Rain and snow likely. Mostly cloudy, with a low around 31.
Thursday
Rain and snow likely. Mostly cloudy, with a high near 40.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 30.
Friday
A chance of rain and snow. Partly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Snoqualmie Pass WA
 47.37°N 121.36°W (Elev. 3458 ft)
Last Update:
11:55 am PST Nov 15, 2025
Forecast Valid:
12pm PST Nov 15, 2025-6pm PST Nov 21, 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