Snoqualmie Pass Live Road Status & Conditions
✓ OPEN
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Updated 56 min ago
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Elevation: 921 m (3022 ft)
921 m
Summit Elevation
I-90
Primary Highway
Washington
Region / State
United States
Country
Pass Overview & Driving Conditions
Washington State's most heavily traveled mountain pass carrying Interstate 90 between Seattle and Ellensburg across the central Cascade Crest.
⚠️ Alpine Driving Hazard Notice: High mountain passes are subject to rapid weather shifts, sudden freezing precipitation, dense fog, and black ice. Check weather forecasts and vehicle traction equipment before ascending.
Seasonal Operating Window
Kept open year-round as the primary east-west interstate corridor across the Cascade Mountains.
Winter Equipment & Traction Rules
Tire chains or traction tires required when posted; studded tires or approved traction devices legally required Nov 1 – Mar 31.
Nearest Fuel & Services
Summit regions feature limited emergency fuel and recovery assistance. Drivers should ensure minimum half a tank of fuel or 50% battery before commencing the alpine ascent. Cellular coverage may be intermittent.
Interactive Mountain Pass Map
Summit Coordinates: Latitude 47.4244, Longitude -121.4137. OpenStreetMap cartography.
Official Travel Disclaimer: Mountain pass road conditions change rapidly due to alpine snow, rockfall, and avalanche mitigation. Always confirm current status with local transportation authorities and law enforcement before travelling. LiveRoadStatus compiles official feeds and verified reports for navigational planning.