Washington Mountain Passes

Snoqualmie Pass I-90 (Elev. 3022 ft.)

Updated: April 21, 2025, 2:01 a.m.

Eastbound

No restrictions

Westbound

No restrictions

Seasonal weather reports have ended for this season. Traditionally weather is reported on this page from November 1 to April 1. Should adverse weather occur that will impact travel, updates will be provided as information is available.

Weather Forecast

This Afternoon	Rain	A chance of rain. Mostly cloudy, with a high near 47. West wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Tonight	Rain	Rain. Cloudy, with a low around 39. North wind 2 to 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday	Snow	Rain before 2pm, then showers and thunderstorms between 2pm and 5pm, then a slight chance of thunderstorms and rain and snow showers. Cloudy. High near 47, with temperatures falling to around 45 in the afternoon. Northwest wind 3 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night	Snow	A slight chance of thunderstorms and rain and snow showers before 7pm, then a slight chance of thunderstorms and rain and snow showers between 7pm and 8pm, then rain and snow. Cloudy, with a low around 33. Northwest wind 8 to 12 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

Stevens Pass US 2 (Elev. 4061 ft.)

Updated: April 13, 2025, 11:48 p.m.

Eastbound

No restrictions

Westbound

No restrictions

Seasonal weather reports have ended for this season. Traditionally weather is reported on this page from November 1 to April 1. Should adverse weather occur that will impact travel, updates will be provided as information is available.

Weather Forecast

This Afternoon	Rain	A chance of rain. Mostly cloudy, with a high near 45. West wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Tonight	Rain	Rain after 7pm. Cloudy, with a low around 38. South wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday	Snow	Rain before 2pm, then showers and thunderstorms between 2pm and 3pm, then rain between 3pm and 5pm, then a slight chance of thunderstorms and rain and snow showers. Cloudy. High near 44, with temperatures falling to around 41 in the afternoon. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night	Snow	A slight chance of thunderstorms and rain and snow showers before 7pm, then a slight chance of thunderstorms and rain and snow showers between 7pm and 8pm, then rain and snow. Cloudy, with a low around 32. Wind chill values as low as 25. West wind around 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.