Washington Mountain Pass Conditions

When riding through Washington's Alpine Kingdom, the mountains make the rules. One moment you're carving through warm summer sunshine, and the next you're climbing into cold rain, dense fog, or even fresh snow. Washington's mountain passes are among the greatest motorcycle roads anywhere in North America, but they also demand respect. Weather, rockslides, wildfires, construction, and seasonal closures can change conditions quickly, making a five-minute stop to check current pass conditions one of the smartest parts of planning any ride.

Several of Washington's mountain passes—including Snoqualmie Pass (I-90), Stevens Pass (US-2), White Pass (US-12), Blewett Pass (US-97), and Sherman Pass (SR-20)—remain open throughout the year, although winter storms can still make riding hazardous. Others, including North Cascades Highway (SR-20), Chinook Pass (SR-410), and Cayuse Pass (SR-123), are seasonal mountain highways that close each winter beneath deep snow before reopening in late spring or early summer.

Below you'll find quick access to official Washington mountain pass conditions, weather cameras, and road information to help you plan your next adventure. Check the conditions, ride prepared, and then get out there and discover why Washington remains one of the last great motorcycle frontiers in America.

Ride safe, and we'll see you in the wind.

Current Washington Mountain Pass Conditions

Before heading into Washington’s mountains, check the official pass reports, traffic cameras, and mountain weather. Conditions can change fast at elevation, especially in spring, fall, and winter. WSDOT provides the official road reports and camera views, while the National Weather Service provides mountain forecasts for the Cascades and northeast Washington.

Check WSDOT Mountain Pass Reports

Year-Round Washington Mountain Passes

Snoqualmie Pass — I-90

Elevation: 3,022 feet
Status: Open year-round, weather permitting

Before You Ride

Current Pass Conditions

GMRW Rider Tip

Snoqualmie Pass is Washington’s fastest and busiest Cascade crossing. For motorcycles, that means heavy truck traffic, construction zones, fast-changing weather, and cooler summit temperatures. It may be the most direct route across the mountains, but it still deserves respect before you ride.

Stevens Pass — US-2

Elevation: 4,061 feet
Status: Open year-round, weather permitting

Before You Ride 

Current Pass Conditions

GMRW Rider Tip

Stevens Pass is one of Washington’s classic motorcycle crossings, but the west side can get crowded fast. Expect weekend traffic through Sultan, Gold Bar, Index, and Skykomish, especially on summer afternoons. Leave early, watch for changing pavement, and give yourself time to enjoy the river, forest, and mountain views.

Read the Stevens Pass Rider Notes
Explore the Stevens Pass Atlas Journey

White Pass — US-12

Elevation: 4,500 feet
Status: Open year-round, weather permitting

Before You Ride

Current Pass Conditions

GMRW Rider Tip

White Pass is a beautiful and often quieter crossing, with long forested stretches, mountain air, and room to settle into the ride. Pavement conditions can vary, and the summit can be much cooler than Packwood or Naches. Check conditions before you climb and keep an eye out for wildlife, gravel, and rough patches.

Read the White Pass Rider Notes
Explore the White Pass Atlas Journey

Blewett Pass — US-97

Elevation: 4,102 feet
Status: Open year-round, weather permitting

Before You Ride

Current Pass Conditions

GMRW Rider Tip

Blewett Pass is a key connector between the Wenatchee Valley, Ellensburg, Leavenworth, and the central Washington ride network. It can be a great motorcycle road, but weather and pavement can shift quickly between the forested summit and the drier east-side approaches. Watch for traffic, deer, and changing surface conditions.

[Rider Notes Coming Soon]
[Atlas Coming Soon]

Sherman Pass — SR-20

Elevation: 5,575 feet
Status: Open year-round, weather permitting

Before You Ride

Current Pass Conditions

GMRW Rider Tip

Sherman Pass is one of Washington’s highest paved year-round passes and feels far more remote than the west-side Cascade crossings. Services are limited, cell coverage can be unreliable, and weather can change quickly. Fuel up before committing to the ride and treat this one like real mountain country.

[Rider Notes Coming Soon]
[Atlas Coming Soon]

Seasonal Washington Mountain Passes

North Cascades Highway — SR-20

Elevation: 5,477 feet at Washington Pass
Status: Seasonal mountain highway

Before You Ride

Current Pass Conditions

GMRW Rider Tip

The North Cascades Highway is one of America’s great motorcycle roads. It is also remote, high, and seasonal. Snow can linger along the shoulders long after the road opens, fuel is limited between Marblemount and Winthrop, and the weather can change fast above the tree line. Top off the tank, check the reports, and leave time for the overlooks.

[Read the North Cascades Highway Rider Notes coming soon]
Explore the North Cascades Atlas Journey

Chinook Pass — SR-410

Elevation: 5,430 feet
Status: Seasonal mountain pass

Before You Ride

Current Pass Conditions

GMRW Rider Tip

Chinook Pass is one of Washington’s most spectacular motorcycle climbs, with Mount Rainier views, alpine curves, and unforgettable overlooks. Early in the season, expect snowbanks, cold pavement, and heavy tourist traffic near Tipsoo Lake. Ride it with patience, because this pass rewards riders who slow down and look around.

Read the Chinook Pass Rider Notes
Explore the Chinook Pass Atlas Journey

Cayuse Pass — SR-123

Elevation: 4,675 feet
Status: Seasonal mountain pass

Before You Ride

Current Pass Conditions

GMRW Rider Tip

Cayuse Pass is a short but important connector between Chinook Pass, Mount Rainier, and White Pass country. It can be wet, shaded, narrow, and cold even when nearby valleys feel warm. Watch for damp pavement, gravel, tourist traffic, and wildlife.

[Rider Notes Coming Soon]
[Atlas Coming Soon]

Other High-Elevation Mountain Roads

Mount Baker Highway — SR-542

Elevation: Approximately 5,100 feet near Artist Point
Status: Seasonal at upper elevations

Before You Ride

Current Road Conditions

GMRW Rider Tip

Mount Baker Highway is not a true mountain pass, but for riders it belongs in the same conversation. The climb toward Heather Meadows and Artist Point is one of Washington’s premier alpine motorcycle rides. Snow can affect the upper road well into summer, and weather near the mountain can change quickly. Check conditions before heading past Glacier.

[Read the Mount Baker Highway Rider Notes coming soon]
Explore the Mount Baker Atlas Journey

Mountain Weather

Washington’s mountain weather does not always match the forecast in the nearest town. A sunny day in the lowlands can become fog, rain, cold wind, or snow near the summit. Before riding into the Cascades or northeast Washington, check a mountain-specific forecast instead of relying only on city weather.

[National Weather Service Mountain Forecasts]

Before You Ride Washington’s Mountain Passes

Before crossing any Washington mountain pass by motorcycle:

Check the official pass report.
Check the traffic cameras.
Check the mountain weather.
Fuel up before remote stretches.
Expect colder temperatures at elevation.
Watch for gravel, wildlife, fog, and construction.
Remember that seasonal openings depend on snowpack, weather, and road clearing.

Washington’s mountains are beautiful, but they do not negotiate. Check the conditions, respect the pass, and ride prepared.

Explore More GMRW Rider Resources

Looking for more than pass conditions? Explore GMRW Ride Maps, Rider Notes, Atlas journeys, and the Washington Motorcycle Events Map.

Explore Washington Ride Maps
Explore the GMRW Atlas
View the Washington Motorcycle Events Map
Check the Washington Motorcycle Rides and Events Calendar