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 Sep 14, 2026 8:18 PM PDT · Mostly dry

Lowest 50°F · Highest wind 6 mph

At the summit: Dry · 52°F · road surface est. 46°F · 2 mph wind · gusting 12 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 Sep 14, 2026 8:18 PM PDT

Up to 144 hours

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

Lowest temp.

50°F

Highest temp.

57°F

Highest wind

6 mph

Pressure

29.97-30.06 inHg

Santiam Pass Closures & Road Blocks Today

No full closures are reported on Santiam Pass as of Sep 14, 2026 8:18 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.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 46°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 Sep 14

    47°F 43°F

    Dry

    Wind to 2 mph

  2. Tue Sep 15

    64°F 41°F

    Dry

    Wind to 11 mph

  3. Wed Sep 16

    72°F 43°F

    Dry

    Wind to 8 mph

  4. Thu Sep 17

    78°F 45°F

    Dry

    Wind to 6 mph

  5. Fri Sep 18

    81°F 46°F

    Dry

    Wind to 10 mph

  6. Sat Sep 19

    78°F 46°F

    Dry

    Wind to 5 mph

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 Jct

Photo from

Photo from camera: US20 at Santiam Jct

US20 at Santiam Jct

Photo from

Photo from camera: US20 at Santiam Jct

US20 at Santiam Pass

Photo from

Photo from camera: US20 at Santiam Pass

US20 at Santiam Pass

Photo from

Photo from camera: US20 at Santiam Pass

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 Sep 14, 2026 8:18 PM PDT. Right now temperatures run from 50°F to 57°F and the strongest wind is 6 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 46°F.
What is the weather forecast for Santiam Pass this week?
At the summit, Sep 14 to Sep 19: highs 47-81°F, lows 41-46°F. No snow or ice is forecast on the road in that time. 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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