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Winter driving - Snoqualmie historical closures and snowfall records

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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, to clear collisions and to remove snow and ice.

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 100 KB)