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Santiam Pass Weather & Road Conditions
Santiam Pass Weather & Road Conditions
Elevation 4,817 ft · Updated Aug 24, 2026 12:08 AM UTC · Mostly dry
Lowest 69°F · Highest wind 8 mph
At the summit: Dry · 71°F · road surface est. 71°F · 7 mph wind
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Santiam Pass carries US 20 over the Cascade Range at 4,817 feet, between Sisters and the Willamette Valley. It is the main route between Bend and Salem, and snow, ice and low visibility restrict or close it repeatedly through the winter.
- Elevation: 4,817 ft
- Carries: US 20
- State: Oregon
- Road system: U.S. Numbered Highway System
Weather data from Aug 24, 2026 12:08 AM UTC
Route geometry © openrouteservice.org · Map data © OpenStreetMap contributors
69°F
82°F
8 mph
1009-1016 hPa
See live weather and road conditions for Santiam Pass. Real-time surface conditions, radar, closures and DOT cameras on the interactive map for the climb and the summit, on US 20 in Oregon.
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 Santiam Pass as of Aug 24, 2026 12:08 AM UTC, and no lane closures or roadworks either. Always check with the responsible state DOT before setting off.
Santiam Pass Chain Control & Traction Requirements
Chain and traction requirements on Santiam 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 tripcheck.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 71°F. The road surface figure is an estimate derived from air temperature, not a measurement — bridges and overpasses run colder than the number shown.
Santiam Pass Traffic Cameras
updating…US20 at Santiam Jct
3 hours ago
US20 at Santiam Jct
3 hours ago
US20 at Santiam Pass
3 hours ago
US20 at Santiam Pass
3 hours ago
Santiam Pass Road Weather FAQ
- Is Santiam Pass open right now?
- No full closures are reported on Santiam Pass. No lane closures or roadworks are reported either.
- What are Santiam Pass road conditions today?
- The map on this page colours the route along Santiam Pass by what is on the carriageway right now — dry, wet, slush, snow or ice — from radar and surface data, last updated Aug 24, 2026 12:08 AM UTC. Right now temperatures run from 69°F to 82°F and the strongest wind is 8 mph.
- Do I need chains on Santiam 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 tripcheck.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 71°F.
- Are there live traffic cameras on Santiam Pass?
- Yes. This page shows 4 live views on Santiam Pass from the state transportation departments' own camera feeds, further down the page, refreshed each time you load it.
- How often are Santiam 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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