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Hazardous Weather Conditions

Current conditions at

Stampede Pass (KSMP)

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

light snow,mist

-2°C

28°F

Humidity 100%
Wind Speed W 8 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint -2°C (28°F)
Visibility 1.21 km
Wind Chill-7°C (20°F)
Last update 22 Mar 03:15 AM PDT
Extended Forecast for

Snoqualmie Pass WA

Winter Weather Advisory March 22, 03:40am until March 22, 05:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory March 22, 03:40am until March 22, 05:00am

    NOW until 5:00am Sat

    Winter Weather Advisory

  • Overnight

    Low: -1 °C

    Heavy Snow

  • Saturday

    Saturday: Snow likely before 11am, then a slight chance of rain after 2pm. Mostly cloudy, with a high near 3. West wind around 8 km/h, with gusts as high as 32 km/h. Chance of precipitation is 60%. New snow accumulation of 1 to 3 centimeters possible.

    High: 3 °C

    Snow Likely
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Rain and snow, mainly after 11pm. Patchy fog after 11pm. Patchy freezing fog between 11pm and 2am. Low around -1. Calm wind. Chance of precipitation is 90%. New snow accumulation of 3 to 7 centimeters possible.

    Low: -1 °C

    Rain/Snow and
    Patchy
    Freezing Fog

  • Sunday

    Sunday: Rain and snow, becoming all rain after 11am. Patchy fog before 8am. High near 7. Calm wind. Chance of precipitation is 100%. New snow accumulation of 1 to 3 centimeters possible.

    High: 7 °C

    Rain/Snow and
    Patchy Fog
    then Rain

  • Sunday Night

    Sunday Night: Rain. Low around 4. West wind around 8 km/h, with gusts as high as 29 km/h. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 cm possible.

    Low: 4 °C

    Rain

  • Monday

    Monday: Rain. High near 8. Chance of precipitation is 90%.

    High: 8 °C

    Rain

  • Monday Night

    Monday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 3. Chance of precipitation is 60%.

    Low: 3 °C

    Rain Likely
    then Chance
    Rain

  • Tuesday

    Tuesday: A 20 percent chance of rain before 11am. Partly sunny, with a high near 13.

    High: 13 °C

    Slight Chance
    Rain then
    Mostly Sunny

Detailed Forecast

Overnight
Snow likely. The snow could be heavy at times. Cloudy, with a low around -1. West wind around 16 km/h, with gusts as high as 47 km/h. Chance of precipitation is 70%. Total nighttime snow accumulation of 10 to 14 centimeters possible.
Saturday
Snow likely before 11am, then a slight chance of rain after 2pm. Mostly cloudy, with a high near 3. West wind around 8 km/h, with gusts as high as 32 km/h. Chance of precipitation is 60%. New snow accumulation of 1 to 3 centimeters possible.
Saturday Night
Rain and snow, mainly after 11pm. Patchy fog after 11pm. Patchy freezing fog between 11pm and 2am. Low around -1. Calm wind. Chance of precipitation is 90%. New snow accumulation of 3 to 7 centimeters possible.
Sunday
Rain and snow, becoming all rain after 11am. Patchy fog before 8am. High near 7. Calm wind. Chance of precipitation is 100%. New snow accumulation of 1 to 3 centimeters possible.
Sunday Night
Rain. Low around 4. West wind around 8 km/h, with gusts as high as 29 km/h. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 cm possible.
Monday
Rain. High near 8. Chance of precipitation is 90%.
Monday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 3. Chance of precipitation is 60%.
Tuesday
A 20 percent chance of rain before 11am. Partly sunny, with a high near 13.
Tuesday Night
A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 5.
Wednesday
Showers likely, mainly after 11am. Partly sunny, with a high near 13.
Wednesday Night
Showers. Mostly cloudy, with a low around 1.
Thursday
Rain. Mostly cloudy, with a high near 6.
Thursday Night
Rain and snow. Mostly cloudy, with a low around -1.
Friday
Rain and snow. Partly sunny, with a high near 5.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Snoqualmie Pass WA
 47.41°N 121.37°W (Elev. 2628 m)
Last Update:
3:02 am PDT Mar 22, 2025
Forecast Valid:
3am PDT Mar 22, 2025-6pm PDT Mar 28, 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