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Forecasts

NWS Forecast for: Cascades of Snohomish and Northern King Counties
Issued by: National Weather Service Seattle, WA
Last Update: 236 PM PDT Fri Sep 11 2026

Tonight: Cloudy. Freezing level near 9500 feet. Lows in the upper 40s. Light wind.

Saturday: Mostly cloudy. A slight chance of rain late in the afternoon. Snow level near 8000 feet. Afternoon pass temperatures in the lower 60s. Light wind. Gusts to 20 mph in the afternoon.

Saturday Night: Cloudy. A chance of rain until early morning. A slight chance of snow after midnight. Rain in the morning. Snow level near 8000 feet. Rainfall amounts a quarter to a half inch possible. No snow accumulation. Lows in the lower 40s. Light wind.

Sunday: Rain and snow in the morning, then rain and snow likely in the afternoon. Snow level near 7500 feet. Rainfall amounts a half inch to one inch possible. Afternoon pass temperatures in the upper 40s. West wind in the passes around 10 mph in the morning becoming light, gusts to 20 mph in the morning.

Sunday Night: Mostly cloudy with rain and snow likely in the evening, then mostly cloudy with a chance of rain and snow after midnight. Snow level near 7500 feet. Rainfall amounts a tenth to a quarter of an inch possible. Lows in the lower 40s. Light wind becoming west around 10 mph after midnight, gusts to 20 mph increasing to 30 mph after midnight.

Monday: Partly sunny. Freezing level near 9000 feet. Afternoon pass temperatures in the mid 50s.

Monday Night: Partly cloudy in the evening then becoming mostly cloudy. Freezing level near 11000 feet. Lows around 40.

Tuesday: Mostly sunny. Freezing level near 9500 feet. Afternoon pass temperatures in the lower 60s.

Tuesday Night: Mostly clear. Freezing level near 10000 feet. Lows in the lower 40s.

Wednesday: Sunny. Freezing level near 12000 feet. Afternoon pass temperatures in the upper 60s.

Wednesday Night: Mostly clear. Freezing level near 13000 feet. Lows in the mid 40s.

Thursday: Sunny. Freezing level near 14000 feet. Afternoon pass temperatures in the lower 70s.

Thursday Night: Mostly clear. Freezing level near 14000 feet. Lows in the upper 40s.

Friday: Sunny. Freezing level near 14000 feet. Afternoon pass temperatures in the lower 70s.

Zone Forecast: Cascades of Snohomish and Northern King Counties
NWS Forecast for: Snoqualmie Pass WA
Issued by: National Weather Service Pendleton, OR
Last Update: 11:46 pm PDT Sep 11, 2026

Tonight: Cloudy, with a low around 49. Calm wind.

Saturday: A 30 percent chance of showers after 5pm. Mostly cloudy, with a high near 67. Calm wind becoming southeast around 6 mph. Winds could gust as high as 20 mph.

Saturday Night: Showers, mainly after 8pm. Low around 45. Calm wind becoming northwest around 6 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Sunday: Showers, mainly before 2pm. High near 50. West wind 3 to 6 mph. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Sunday Night: Showers likely before 11pm. Mostly cloudy, with a low around 44. West wind 3 to 6 mph. Winds could gust as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Monday: Partly sunny, with a high near 56.

Monday Night: Mostly cloudy, with a low around 42.

Tuesday: Mostly sunny, with a high near 64.

Tuesday Night: Mostly clear, with a low around 45.

Wednesday: Sunny, with a high near 71.

Wednesday Night: Clear, with a low around 49.

Thursday: Sunny, with a high near 75.

Thursday Night: Mostly clear, with a low around 51.

Friday: Sunny, with a high near 75.

Snoqualmie Pass WA
 47.41°N 121.41°W (Elev. 2812 ft)
NWS Forecast for: Stevens Pass WA
Issued by: National Weather Service Seattle, WA
Last Update: 11:26 pm PDT Sep 11, 2026

Tonight: Cloudy, with a low around 47. East northeast wind 3 to 5 mph.

Saturday: Mostly cloudy, with a high near 63. East wind 5 to 7 mph.

Saturday Night: Rain, mainly after midnight. Low around 43. Calm wind becoming west 5 to 7 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Sunday: Rain, mainly before 2pm. High near 47. West wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Sunday Night: Rain likely before 11pm. Mostly cloudy, with a low around 42. West wind 7 to 10 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Monday: Partly sunny, with a high near 53.

Monday Night: Mostly cloudy, with a low around 40.

Tuesday: Mostly sunny, with a high near 61.

Tuesday Night: Mostly clear, with a low around 42.

Wednesday: Sunny, with a high near 69.

Wednesday Night: Mostly clear, with a low around 45.

Thursday: Sunny, with a high near 73.

Thursday Night: Mostly clear, with a low around 48.

Friday: Sunny, with a high near 73.

Stevens Pass WA
 47.75°N 121.09°W (Elev. 4879 ft)
NWS Forecast for: 9 Miles NE Mt Baker WA
Issued by: National Weather Service Seattle, WA
Last Update: 11:26 pm PDT Sep 11, 2026

Tonight: Cloudy, with a low around 47. East wind 6 to 8 mph.

Saturday: Mostly sunny, with a high near 63. East southeast wind 5 to 10 mph becoming light and variable.

Saturday Night: A 10 percent chance of rain after 5am. Mostly cloudy, with a low around 46. Calm wind becoming south southwest around 5 mph.

Sunday: A slight chance of rain before 7am, then a chance of rain after 3pm. Partly sunny, with a high near 53. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 30%.

Sunday Night: A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 44. Southwest wind 5 to 8 mph.

Monday: Mostly cloudy, with a high near 50.

Monday Night: Mostly cloudy, with a low around 42.

Tuesday: Mostly sunny, with a high near 60.

Tuesday Night: Mostly clear, with a low around 43.

Wednesday: Sunny, with a high near 67.

Wednesday Night: Mostly clear, with a low around 48.

Thursday: Sunny, with a high near 71.

Thursday Night: Mostly clear, with a low around 52.

Friday: Sunny, with a high near 71.

9 Miles NE Mt Baker WA
 48.86°N 121.68°W (Elev. 4265 ft)
NWS Forecast for: 4 Miles N Chinook Pass WA
Issued by: National Weather Service Seattle, WA
Last Update: 11:26 pm PDT Sep 11, 2026

Tonight: Mostly cloudy, with a low around 42. East southeast wind around 8 mph.

Saturday: A 30 percent chance of rain after 5pm. Cloudy, with a high near 56. East southeast wind 7 to 9 mph, with gusts as high as 22 mph.

Saturday Night: Rain before 4am, then rain, possibly mixed with snow. Low around 38. North northeast wind 5 to 15 mph becoming west after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Sunday: Rain, possibly mixed with snow, becoming all rain after 8am, then gradually ending. High near 43. West wind 9 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Sunday Night: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 35. West wind 10 to 15 mph, with gusts as high as 29 mph.

Monday: Mostly sunny, with a high near 50.

Monday Night: Mostly cloudy, with a low around 36.

Tuesday: Mostly sunny, with a high near 56.

Tuesday Night: Mostly clear, with a low around 39.

Wednesday: Sunny, with a high near 63.

Wednesday Night: Mostly clear, with a low around 43.

Thursday: Sunny, with a high near 69.

Thursday Night: Mostly clear, with a low around 46.

Friday: Sunny, with a high near 68.

4 Miles N Chinook Pass WA
 46.93°N 121.49°W (Elev. 5233 ft)

WSDOT

Snoqualmie Pass I-90

Road Condition: Traditionally weather and road conditions are 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.
Temp: 47°F
Weather: Travel impacts will be updated here if conditions cause delays of an hour or more. For other cross-state travel conditions, check WSDOT's real-time travel map.
Restrictions: No restrictions
⚠️ Travel Advisory Active

Stevens Pass US 2

Road Condition: Reports have ended for this season. Traditionally weather and road conditions are 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:
Restrictions: No restrictions
⚠️ Travel Advisory Active

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