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 29.83 in (1010.16 mb)
Dewpoint 37°F (3°C)
Visibility NA
Last update 12 Nov 09:56 PM PST
Extended Forecast for

3 Miles SSW Snoqualmie Pass WA

  • Tonight

    Tonight: Rain, mainly after 1am.  Steady temperature around 44. Southeast wind around 7 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Rain

  • Thursday

    Thursday: Rain.  High near 45. Southeast wind 6 to 9 mph, with gusts as high as 18 mph.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 45 °F

    Rain

  • Thursday Night

    Thursday Night: Rain before 1am, then rain and snow.  Low around 36. West wind around 7 mph, with gusts as high as 18 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain then
    Rain/Snow

  • Friday

    Friday: Rain, possibly mixed with snow.  High near 39. West wind around 7 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 39 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain, possibly mixed with snow, becoming all rain after 7pm.  Low around 37. West wind 3 to 6 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain/Snow
    then Rain

  • Saturday

    Saturday: Rain.  High near 43. Chance of precipitation is 80%.

    High: 43 °F

    Rain

  • Saturday Night

    Saturday Night: Rain likely.  Cloudy, with a low around 38. Chance of precipitation is 70%.

    Low: 38 °F

    Rain Likely

  • Sunday

    Sunday: Rain likely before 10am, then rain and snow.  High near 41. Chance of precipitation is 80%.

    High: 41 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow.  Low around 32. Chance of precipitation is 80%.

    Low: 32 °F

    Rain/Snow

Detailed Forecast

Tonight
Rain, mainly after 1am. Steady temperature around 44. Southeast wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. High near 45. Southeast wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Thursday Night
Rain before 1am, then rain and snow. Low around 36. West wind around 7 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday
Rain, possibly mixed with snow. High near 39. West wind around 7 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday Night
Rain, possibly mixed with snow, becoming all rain after 7pm. Low around 37. West wind 3 to 6 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday
Rain. High near 43. Chance of precipitation is 80%.
Saturday Night
Rain likely. Cloudy, with a low around 38. Chance of precipitation is 70%.
Sunday
Rain likely before 10am, then rain and snow. High near 41. Chance of precipitation is 80%.
Sunday Night
Rain and snow. Low around 32. Chance of precipitation is 80%.
Monday
Snow likely, possibly mixed with rain, becoming all snow after 7am. Mostly cloudy, with a high near 34.
Monday Night
A chance of snow. Mostly cloudy, with a low around 29.
Tuesday
A chance of snow. Partly sunny, with a high near 34.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 31.
Wednesday
Snow likely. Mostly cloudy, with a high near 34.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Snoqualmie Pass WA
 47.38°N 121.46°W (Elev. 3691 ft)
10:55 pm PST Nov 12, 2025
11pm PST Nov 12, 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