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Snoqualmie Pass Weather & Road Conditions
Snoqualmie Pass Weather & Road Conditions
Elevation 3,022 ft · Updated Aug 23, 2026 11:48 PM UTC · Mostly dry
Lowest 59°F · Highest wind 6 mph
At the summit: Dry · 59°F · road surface est. 59°F · 3 mph wind · gusting 10 mph
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Snoqualmie Pass carries Interstate 90 over the Cascade Range at 3,022 feet, about 50 miles east of Seattle. It is the main Cascade crossing on the interstate network, and the one most likely to be under snow, traction restrictions or an avalanche-control closure between November and March.
- Elevation: 3,022 ft
- Carries: I-90
- State: Washington
- Road system: Interstate Highway System
Weather data from Aug 23, 2026 11:48 PM UTC
59°F
64°F
6 mph
1018-1021 hPa
See live weather and road conditions for Snoqualmie Pass. Real-time surface conditions, radar, closures and DOT cameras on the interactive map for the climb and the summit, on I-90 in Washington.
Forecasts are generated for the next 6 hours at points along the pass and include temperature and conditions such as clear skies, rain, storms, snow, high wind, hail, and more.
No full closures are reported on Snoqualmie Pass as of Aug 23, 2026 11:48 PM UTC, and no lane closures or roadworks either. Always check with the responsible state DOT before setting off.
Snoqualmie Pass Chain Control & Traction Requirements
Chain and traction requirements on Snoqualmie Pass are set by the state highway authority, and they are imposed and lifted through the day as a storm moves through. This page does not carry them — check wsdot.com ↗ before you set off.
What this page can tell you is the surface at the summit, from radar and surface analysis: currently dry, with the road surface estimated at 59°F. The road surface figure is an estimate derived from air temperature, not a measurement — bridges and overpasses run colder than the number shown.
Snoqualmie Pass Road Weather FAQ
- Is Snoqualmie Pass open right now?
- No full closures are reported on Snoqualmie Pass. No lane closures or roadworks are reported either.
- What are Snoqualmie Pass road conditions today?
- The map on this page colours the route along Snoqualmie Pass by what is on the carriageway right now — dry, wet, slush, snow or ice — from radar and surface data, last updated Aug 23, 2026 11:48 PM UTC. Right now temperatures run from 59°F to 64°F and the strongest wind is 6 mph.
- Do I need chains on Snoqualmie Pass today?
- Chain and traction requirements are set by the state highway authority and change through the day, so check them directly before you set off at wsdot.com — this page does not carry them. What this page can tell you is that the surface at the summit is dry, and the road surface is estimated at 59°F.
- How often are Snoqualmie Pass road conditions updated?
- The road surface and weather layers are rebuilt whenever this page is opened with data more than ten minutes old, and refreshed on a schedule in between, so nothing here is more than about two hours old even on a road nobody has looked at. Closures and road blocks are re-imported from the state 511 feeds every fifteen minutes, and the written state-by-state summaries are refreshed daily. Every section on this page carries the time its data was fetched.
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