Santiam Pass Weather & Road Conditions

Radar, DOT cameras and live pavement conditions at the summit of Santiam Pass and on both climbs — plus closures, road work and who sets chain control on US 20.

Elevation 4,817 ft · Updated Oct 8, 2026 7:57 PM PDT · Mostly dry

Lowest 59°F · Highest wind 5 mph

At the summit: Dry · 62°F · road surface est. 55°F · 2 mph wind · gusting 7 mph

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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

Temperature

Wind Speed

Rain Precip.

Coverage

Weather data from Oct 8, 2026 7:57 PM PDT

Route geometry © openrouteservice.org · Map data © OpenStreetMap contributors

Lowest temp.

59°F

Highest temp.

65°F

Highest wind

5 mph

Pressure

29.85-29.96 inHg

Santiam Pass Closures & Road Blocks Today

No full closures are reported on Santiam Pass as of Oct 8, 2026 7:57 PM PDT, 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 ↗ before you set off. What the levels mean, with the exemptions and what you have to be carrying, is on the Oregon page.

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 55°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 Weather Forecast: Next 6 Days

At the summit, 4,817 ft. Each day shows its warmest and coldest hour, and the worst driving conditions forecast anywhere in it — not the average, because the hour that closes a pass is the one worth knowing about.

  1. Rest of today Oct 8

    55°F 55°F

    Dry

    Wind to 1 mph

  2. Fri Oct 9

    73°F 46°F

    Dry

    Wind to 8 mph

  3. Sat Oct 10

    60°F 36°F

    Wet worst around 9 PM

    Wind to 12 mph
    0.01 in precipitation

  4. Sun Oct 11

    45°F 25°F

    Ice worst around 4 AM

    Wind to 12 mph
    0.07 in precipitation

  5. Mon Oct 12

    56°F 24°F

    Dry

    Wind to 8 mph

  6. Tue Oct 13

    51°F 32°F

    Wet worst around 1 PM

    Wind to 7 mph
    0.38 in precipitation

Forecast, not a measurement — from the same weather service that draws this page's radar and road colors, model run 9 hours ago. Days run on Pacific time, the clock the pass keeps — not the reader's.

Santiam Pass Traffic Cameras

US20 at Santiam Pass

Photo from — last answered 4 hours ago, so this is the last frame we have

Photo from camera: US20 at Santiam Pass

US20 at Santiam Pass

Photo from — last answered 4 hours ago, so this is the last frame we have

Photo from camera: US20 at Santiam Pass

US20 at Santiam Jct

Photo from — last answered 4 hours ago, so this is the last frame we have

Photo from camera: US20 at Santiam Jct

US20 at Santiam Jct

Photo from — last answered 4 hours ago, so this is the last frame we have

Photo from camera: US20 at Santiam Jct

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 colors the route along Santiam Pass by what is on the pavement right now — dry, wet, slush, snow or ice — from radar and surface data, last updated Oct 8, 2026 7:57 PM PDT. Right now temperatures run from 59°F to 65°F and the strongest wind is 5 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. 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 55°F.
What is the weather forecast for Santiam Pass this week?
At the summit, Oct 8 to Oct 13: highs 45-73°F, lows 24-55°F. Snow or ice is forecast on the road Sun. It is a forecast rather than a measurement, and the later days are less certain than the earlier ones.
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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