North Cascades HighwayNo live status availableno live record

SR-20 · WA · 5,000 ft

North Cascades Highway

Name: North Cascades Highway road and snow conditions
Creator: Pass Conditions

Coverage is limited to passes WSDOT reports through the Mountain Pass API.

Our readingNo live status available

Confirm on the official WA road report ↗

Matched control points

No live road record matched this pass.

Coverage is limited to passes WSDOT reports through the Mountain Pass API.

Cameras near North Cascades Highway

Official DOT views

No current camera is matched here. Check official cameras ↗

Images may lag, fail, or point away from the road. A recent listing check does not verify the frame's age. We display current agency image URLs with attribution and do not retain or archive frames.

Weather near North Cascades Highway

5,000 ft

Road restrictions, station measurements and forecasts describe different things. Times below use Pacific time.

24h gridded snowfall estimate

0.0 in

NOHRSC analysis near the pass, roughly 4 km grid. Not a road-surface measurement.

Observation / analysis time: Sep 13, 2026, 5:00 PM PDT
Last retrieved: Sep 14, 2026, 5:00 AM PDT

Official snow source ↗

72h gridded snowfall estimate

Not available

NOHRSC analysis near the pass, roughly 4 km grid. Not a road-surface measurement.

Observation / analysis time: Sep 13, 2026, 5:00 PM PDT
Last retrieved: Sep 14, 2026, 5:00 AM PDT

Official snow source ↗

season gridded snowfall estimate

325.4 in

NOHRSC analysis near the pass, roughly 4 km grid. Not a road-surface measurement.

Observation / analysis time: Sep 13, 2026, 5:00 AM PDT
Last retrieved: Sep 14, 2026, 5:00 AM PDT

Official snow source ↗

Measured station snow depth

0.0 in

Swamp Creek · 3.3 mi from pass · 3930 ft elevation. Not a measurement at the pass.

Observation / analysis time: 2026-09-13 (daily value; time not supplied)
Last retrieved: Sep 14, 2026, 5:00 AM PDT

Official snow source ↗

Forecast snowfall

0.0 in

NWS grid near the pass. Expected snow over the forecast window, not observed snowfall.

Issued: Sep 14, 2026, 3:41 AM PDT
Last retrieved: Sep 14, 2026, 5:00 AM PDT

Forecast window: Sep 14, 2026, 5:00 AM PDT to Sep 17, 2026, 5:00 AM PDT

Official NWS forecast ↗

NWS outlook and forecast details

Overnight: Mostly Cloudy, low 37°F, W wind 17 mph, 3% precipitation; Monday: Partly Sunny, high 42°F, WNW wind 7 to 16 mph, 4% precipitation. No measurable NWS-grid snowfall forecast in the next 72 hours

Check the current NWS point forecast ↗

Snow history near North Cascades Highway

54 seasons

Season	GHCN snowfall	SNOTEL max depth	Station context
2025-2026	5.8 in	39.0 in	MAZAMA 11.6 mi away · 2,141 ft
2024-2025	9.4 in	30.0 in	MAZAMA 11.6 mi away · 2,141 ft
2023-2024	6.4 in	34.0 in	MAZAMA 11.6 mi away · 2,141 ft
2022-2023	13.1 in	56.0 in	MAZAMA 11.6 mi away · 2,141 ft
2021-2022	13.1 in	57.0 in	MAZAMA 11.6 mi away · 2,141 ft
2020-2021	13.5 in	72.0 in	MAZAMA 11.6 mi away · 2,141 ft
2019-2020	10.6 in	68.0 in	MAZAMA 11.6 mi away · 2,141 ft
2018-2019	9.3 in	53.0 in	MAZAMA 11.6 mi away · 2,141 ft
2017-2018	12.6 in	68.0 in	MAZAMA 11.6 mi away · 2,141 ft
2016-2017	12.4 in	57.0 in	MAZAMA 11.6 mi away · 2,141 ft
2015-2016	15.4 in	46.0 in	MAZAMA 11.6 mi away · 2,141 ft
2014-2015	8.2 in	52.0 in	MAZAMA 11.6 mi away · 2,141 ft
2013-2014	15.2 in	94.0 in	MAZAMA 11.6 mi away · 2,141 ft
2012-2013	10.1 in	54.0 in	MAZAMA 11.6 mi away · 2,141 ft
2011-2012	13.9 in	92.0 in	MAZAMA 11.6 mi away · 2,141 ft
2010-2011	14.2 in	74.0 in	MAZAMA 11.6 mi away · 2,141 ft
2009-2010	6.3 in	31.0 in	MAZAMA 11.6 mi away · 2,141 ft
2008-2009	7.4 in	54.0 in	MAZAMA 11.6 mi away · 2,141 ft
2007-2008	Not available	75.0 in	Swamp Creek 3.3 mi away · 3,930 ft
2006-2007	9.3 in	62.0 in	MAZAMA 11.6 mi away · 2,141 ft
2005-2006	14.5 in	68.0 in	MAZAMA 11.6 mi away · 2,141 ft
2004-2005	7.0 in	20.0 in	MAZAMA 11.6 mi away · 2,141 ft
2003-2004	10.2 in	56.0 in	MAZAMA 11.6 mi away · 2,141 ft
2002-2003	10.2 in	59.0 in	MAZAMA 11.6 mi away · 2,141 ft
2001-2002	13.8 in	80.0 in	MAZAMA 11.6 mi away · 2,141 ft
2000-2001	7.9 in	33.0 in	MAZAMA 11.6 mi away · 2,141 ft
1999-2000	13.2 in	65.0 in	MAZAMA 11.6 mi away · 2,141 ft
1998-1999	18.7 in	Not available	MAZAMA 11.6 mi away · 2,141 ft
1997-1998	11.3 in	Not available	MAZAMA 11.6 mi away · 2,141 ft
1996-1997	22.4 in	Not available	MAZAMA 11.6 mi away · 2,141 ft
1995-1996	14.6 in	Not available	MAZAMA 11.6 mi away · 2,141 ft
1994-1995	15.3 in	Not available	MAZAMA 11.6 mi away · 2,141 ft
1993-1994	8.9 in	Not available	MAZAMA 11.6 mi away · 2,141 ft
1992-1993	8.4 in	Not available	MAZAMA 11.6 mi away · 2,141 ft
1991-1992	8.2 in	Not available	MAZAMA 11.6 mi away · 2,141 ft

Recent status transitions

No status transition has been archived for these matched control points yet.

Coverage and roadside context

Road informationWSDOT Mountain Pass Conditions, including directional restrictions and agency update times.

LimitCoverage is limited to passes WSDOT reports through the Mountain Pass API.

Cameras Live Caltrans and WSDOT stills are displayed above with agency attribution; Pass Conditions does not archive them.

RWIS Roadside weather readings are not republished yet. Use the official DOT link above for that view.

Watch North Cascades Highway for your trip dates

Updates for the matched road reports on this page, in every reported direction.

Choose up to 14 inclusive calendar days. Season alerts end on April 30. Every request requires email confirmation.

Alert window

Trip window Through April 30

Dates use this time zone

Email Start End (included)

2026-09-14 through 2026-09-16, inclusive, Pacific time. Season option ends 2027-04-30.

Confirm the email to activate alerts. When confirmed in time, we prepare one briefing on the day before your start, changes after a 20-minute stability check, and a final-day closeout. Updates continue until the end of your final calendar day. Manage individual requests or unsubscribe from all alerts using the links in any alert email. No newsletters or unrelated marketing.

Alerts are advisory. No email does not mean conditions are unchanged or safe. Check official road reports before departure.

NOHRSC snowfall is a roughly 4 km analysis, not a road-surface observation. SNOTEL and GHCN stations can differ materially in distance and elevation. Always use the DOT link for the travel decision.