National Weather Service

News Headlines

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

Current conditions at

Stampede Pass (KSMP)

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

Partly Cloudy

52°F

11°C

Humidity	54%
Wind Speed	NA 3 MPH
Barometer	29.87 in (1011.51 mb)
Dewpoint	36°F (2°C)
Visibility	10.00 mi
Last update	20 Apr 07:56 PM PDT

More Information:

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

Extended Forecast for

9 Miles ESE Snoqualmie Pass WA

Tonight
Low: 45 °F
Slight Chance
Rain then
Partly Cloudy
Tuesday
High: 61 °F
Showers
Likely
Tuesday Night
Low: 42 °F
Rain
Wednesday
High: 50 °F
Rain Likely
Wednesday Night
Low: 39 °F
Chance Rain
Thursday
High: 57 °F
Mostly Sunny
Thursday Night
Low: 36 °F
Mostly Clear
Friday
High: 62 °F
Sunny
Friday Night
Low: 38 °F
Mostly Clear

Detailed Forecast

Tonight

A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 45. Calm wind.

Tuesday

A chance of rain before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 61. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Rain. Low around 42. West wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday

Rain likely, mainly before 11am. Mostly cloudy, with a high near 50. Light west wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 39. West wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 21 mph.

Thursday

Mostly sunny, with a high near 57.

Thursday Night

Mostly clear, with a low around 36.

Friday

Sunny, with a high near 62.

Friday Night

Mostly clear, with a low around 38.

Saturday

Sunny, with a high near 63.

Saturday Night

Mostly clear, with a low around 40.