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.

Rain

43°F

6°C

Humidity 100%
Wind Speed NA NA MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 43°F (6°C)
Visibility NA
Last update 15 Nov 01:56 AM PST
Extended Forecast for

Snoqualmie Pass WA

  • Overnight

    Overnight: Rain. Low around 41. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain

  • Saturday

    Saturday: Rain, mainly before 1pm. Patchy fog after 7am. High near 47. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Rain and
    Patchy Fog

  • Saturday Night

    Saturday Night: Rain likely, mainly after 4am. Patchy fog. Otherwise, mostly cloudy, with a steady temperature around 44. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Rain Likely
    and Patchy
    Fog

  • Sunday

    Sunday: Rain. Patchy fog before 10am. High near 48. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Rain and
    Patchy Fog

  • 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. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow

  • Monday Night

    Monday Night: Rain likely, possibly mixed with snow, mainly before 10pm. Mostly cloudy, with a low around 32. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 32 °F

    Rain/Snow
    Likely

  • Tuesday

    Tuesday: A chance of rain and snow, mainly before 4pm. Mostly cloudy, with a high near 38. Chance of precipitation is 50%.

    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

Detailed Forecast

Overnight
Rain. Low around 41. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain, mainly before 1pm. Patchy fog after 7am. High near 47. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain likely, mainly after 4am. Patchy fog. Otherwise, mostly cloudy, with a steady temperature around 44. 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 48. Calm 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. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday Night
Rain likely, possibly mixed with snow, mainly before 10pm. Mostly cloudy, with a low around 32. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday
A chance of rain and snow, mainly before 4pm. Mostly cloudy, with a high near 38. Chance of precipitation is 50%.
Tuesday Night
A slight chance of rain and snow before 10pm. Mostly cloudy, with a low around 28. Chance of precipitation is 20%.
Wednesday
Snow likely, possibly mixed with rain, mainly after 4pm. Partly sunny, with a high near 41.
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 31.
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:
Snoqualmie Pass WA
 47.43°N 121.41°W (Elev. 3087 ft)
Last Update:
2:31 am PST Nov 15, 2025
Forecast Valid:
3am 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