Winter driving - Snoqualmie historical closures and snowfall records
Why does Snoqualmie Pass close?
In the summer, Snoqualmie Pass experiences closures and delays from construction, maintenance activities and to clear collisions.
In the winter, Snoqualmie Pass experiences closures and delays from the weather, avalanches, avalanche control work, snow removal, clearing collisions and moving stopped or spun out vehicles caused by motorists unprepared or not following the traction requirements.
Snowfall-related closures
Historical closures related to snowfall
