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Winter driving - Snoqualmie historical closures and snowfall records

I-90 Snoqualmie Pass snowfall

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

I-90 Snoqualmie Pass snowfall and highway closure data

Historical closures related to snowfall

I-90 Snoqualmie Pass closure in relation to snowfall - Current winter

How much snow falls on Snoqualmie?

View historical snowfall totals (PDF 100KB)