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

43°F

6°C

Humidity 100%
Wind Speed WNW 3 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 43°F (6°C)
Visibility NA
Last update 15 Nov 07:56 AM PST
Extended Forecast for

Snoqualmie Pass WA

  • Today

    Today: Showers likely before 4pm, then rain likely after 4pm. Patchy dense fog. Otherwise, mostly cloudy, with a high near 49. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Showers
    Likely and
    Patchy Dense
    Fog

  • Tonight

    Tonight: Rain likely, mainly after 4am. Patchy dense fog. Otherwise, mostly cloudy, with a low around 41. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Rain Likely
    and Patchy
    Dense Fog

  • Sunday

    Sunday: Rain. Patchy fog before 10am. High near 52. Light southeast wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain and
    Patchy Fog

  • Sunday Night

    Sunday Night: Rain. Low around 39. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain

  • Monday

    Monday: Rain. High near 47. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Rain

  • Monday Night

    Monday Night: Rain likely, possibly mixed with snow, mainly before 10pm. Mostly cloudy, with a low around 33. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow
    Likely

  • Tuesday

    Tuesday: A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.

    High: 41 °F

    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow between 10am and 1pm, then a chance of rain after 1pm. Partly sunny, with a high near 44. Chance of precipitation is 30%.

    High: 44 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
Showers likely before 4pm, then rain likely after 4pm. Patchy dense fog. Otherwise, mostly cloudy, with a high near 49. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain likely, mainly after 4am. Patchy dense fog. Otherwise, mostly cloudy, with a low around 41. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain. Patchy fog before 10am. High near 52. 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 39. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain. High near 47. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Rain likely, possibly mixed with snow, mainly before 10pm. Mostly cloudy, with a low around 33. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday
A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.
Tuesday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 29.
Wednesday
A chance of rain and snow between 10am and 1pm, then a chance of rain after 1pm. Partly sunny, with a high near 44. Chance of precipitation is 30%.
Wednesday Night
Rain likely before 7pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 32.
Thursday
Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 43.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 31.
Friday
A chance of rain and snow. Partly sunny, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Snoqualmie Pass WA
 47.41°N 121.37°W (Elev. 2628 ft)
Last Update:
8:32 am PST Nov 15, 2025
Forecast Valid:
8am 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