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.

Overcast

37°F

3°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 37°F (3°C)
Visibility NA
Last update 13 Nov 01:56 AM PST
Extended Forecast for

Snoqualmie Pass WA

  • Overnight

    Overnight: Rain likely.  Cloudy, with a low around 42. Calm wind.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain Likely

  • Thursday

    Thursday: Rain.  High near 48. Calm wind becoming southeast around 5 mph.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 48 °F

    Rain

  • Thursday Night

    Thursday Night: Rain, mainly after 10pm.  Patchy fog after 1am. Low around 39. Calm wind.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain and
    Patchy Fog

  • Friday

    Friday: Rain.  Areas of fog before 10am, then patchy fog after 4pm. High near 44. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 44 °F

    Rain and
    Areas Fog

  • Friday Night

    Friday Night: Rain.  Patchy fog. Low around 40. Calm wind.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Rain and
    Patchy Fog

  • Saturday

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

    High: 46 °F

    Rain and
    Areas Fog

  • Saturday Night

    Saturday Night: Rain likely.  Areas of fog.  Otherwise, mostly cloudy, with a low around 40. Chance of precipitation is 70%.

    Low: 40 °F

    Rain Likely
    and Areas Fog

  • Sunday

    Sunday: Rain before 1pm, then rain, possibly mixed with snow.  Patchy fog before 10am. High near 46. Chance of precipitation is 80%.

    High: 46 °F

    Rain and
    Patchy Fog
    then
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain, possibly mixed with snow.  Patchy fog. Low around 34. Chance of precipitation is 80%.

    Low: 34 °F

    Rain/Snow and
    Patchy Fog

Detailed Forecast

Overnight
Rain likely. Cloudy, with a low around 42. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. High near 48. Calm wind becoming southeast around 5 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Thursday Night
Rain, mainly after 10pm. Patchy fog after 1am. Low around 39. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain. Areas of fog before 10am, then patchy fog after 4pm. High near 44. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain. Patchy fog. Low around 40. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Rain. Areas of fog. High near 46. Chance of precipitation is 80%.
Saturday Night
Rain likely. Areas of fog. Otherwise, mostly cloudy, with a low around 40. Chance of precipitation is 70%.
Sunday
Rain before 1pm, then rain, possibly mixed with snow. Patchy fog before 10am. High near 46. Chance of precipitation is 80%.
Sunday Night
Rain, possibly mixed with snow. Patchy fog. Low around 34. Chance of precipitation is 80%.
Monday
Rain likely, possibly mixed with snow, mainly before 10am. Patchy fog before 10am, then patchy fog after 4pm. Otherwise, mostly cloudy, with a high near 39.
Monday Night
A chance of rain and snow. Patchy fog. Patchy freezing fog. Otherwise, mostly cloudy, with a low around 30.
Tuesday
A chance of rain and snow. Areas of freezing fog. Partly sunny, with a high near 39.
Tuesday Night
Rain and snow likely. Patchy fog. Otherwise, mostly cloudy, with a low around 30.
Wednesday
Rain and snow likely. Mostly cloudy, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
Snoqualmie Pass WA
 47.41°N 121.41°W (Elev. 2812 ft)
2:27 am PST Nov 13, 2025
2am PST Nov 13, 2025-6pm PST Nov 19, 2025
 
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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