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New Version of Climate Plots Arrives May 1, 2026: Early Access Now Available Under "Climate Graphs and Charts"
SCN26-34: Discontinuation of the Max/Min Temperature and Precipitation Table Product (RTP) for all NWS Alaska Region, Eastern Region, and Western Region Offices: Effective May 6, 2026

Hazardous Weather Conditions

Winter Weather Advisory until April 15, 11:00 PM PDT

Current conditions at

Stampede Pass (KSMP)

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

freezing fog

27°F

-3°C

Humidity	100%
Wind Speed	NA 4 MPH
Barometer	29.64 in (1003.73 mb)
Dewpoint	27°F (-3°C)
Visibility	0.50 mi
Wind Chill	22°F (-6°C)
Last update	15 Apr 05:22 AM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

9 Miles ESE Snoqualmie Pass WA

Winter Weather Advisory April 15, 05:53am until April 15, 11:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory April 15, 05:53am until April 15, 11:00pm
NOW until 11:00pm Wed
Winter Weather Advisory
Today
High: 40 °F
Snow Showers
Tonight
Low: 26 °F
Snow Likely
then Partly
Cloudy
Thursday
High: 44 °F
Partly Sunny
Thursday Night
Low: 31 °F
Slight Chance
Rain/Snow
then Mostly
Cloudy
Friday
High: 51 °F
Mostly Sunny
Friday Night
Low: 33 °F
Partly Cloudy
Saturday
High: 57 °F
Partly Sunny
Saturday Night
Low: 39 °F
Chance Rain

Detailed Forecast

Today

A slight chance of snow between 8am and 11am, then snow showers after 11am. Some thunder is also possible. High near 40. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.

Tonight

Snow likely, mainly before 8pm. Mostly cloudy, with a low around 26. West wind around 5 mph becoming calm in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Thursday

Partly sunny, with a high near 44. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.

Thursday Night

A slight chance of rain, mixing with snow after 8pm, then gradually ending. Mostly cloudy, with a low around 31. West wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 20%.

Friday

Mostly sunny, with a high near 51. Calm wind.

Friday Night

Partly cloudy, with a low around 33.

Saturday

Partly sunny, with a high near 57.

Saturday Night

A 40 percent chance of rain. Mostly cloudy, with a low around 39.

Sunday

A 40 percent chance of rain. Partly sunny, with a high near 62.

Sunday Night

A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 41.