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Donner Pass (Donner Summit, I-80) Weather & Road Conditions
Donner Pass (Donner Summit, I-80) Weather & Road Conditions
Elevation 7,239 ft · Updated Aug 23, 2026 10:55 PM UTC · Mostly dry
Lowest 73°F · Highest wind 12 mph
At the summit: Dry · 73°F · road surface est. 73°F · 10 mph wind · gusting 26 mph
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Donner Summit is where Interstate 80 crosses the Sierra Nevada at 7,239 feet, between Truckee and the Sacramento Valley. It is among the snowiest stretches of interstate in the country, and chain controls on the climb are routine through the winter.
- Elevation: 7,239 ft
- Carries: I-80
- State: California
- Road system: Interstate Highway System
Weather data from Aug 23, 2026 10:55 PM UTC
73°F
82°F
12 mph
1006-1008 hPa
See live weather and road conditions for Donner Pass (Donner Summit, I-80). Real-time surface conditions, radar, closures and DOT cameras on the interactive map for the climb and the summit, on I-80 in California.
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.
1 current report along the route. Always check with the responsible state DOT before setting off.
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Lanes blocked
I-80 mainline closure (lanes 3)
Mainline closure. Work: Emergency Work. Lanes closed: 3. Near Norden, Nevada County.
Donner Pass (Donner Summit, I-80) Chain Control & Traction Requirements
Chain and traction requirements on Donner Pass (Donner Summit, I-80) 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 QuickMap ↗ 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 73°F. The road surface figure is an estimate derived from air temperature, not a measurement — bridges and overpasses run colder than the number shown.
Donner Pass (Donner Summit, I-80) Traffic Cameras
updating…Hwy 267 at Truckee Bypass
14 hours ago
Hwy 80 at 267, Truckee
14 hours ago
Hwy 80 at Castle Peak, Soda Springs
14 hours ago
Hwy 80 at Donner Lake, Truckee
14 hours ago
Hwy 80 at Donner Summit, Soda Springs
14 hours ago
Hwy 80 at Kingvale EB 1, Soda Springs
14 hours ago
Donner Pass (Donner Summit, I-80) Road Weather FAQ
- Is Donner Pass (Donner Summit, I-80) open right now?
- No full closures are reported on Donner Pass (Donner Summit, I-80) as of Aug 24, 2026 12:32 AM UTC. One lane closure, roadworks or restriction is in force. They are listed under closures and road blocks on this page.
- What are Donner Pass (Donner Summit, I-80) road conditions today?
- The map on this page colours the route along Donner Pass (Donner Summit, I-80) by what is on the carriageway right now — dry, wet, slush, snow or ice — from radar and surface data, last updated Aug 23, 2026 10:55 PM UTC. Right now temperatures run from 73°F to 82°F and the strongest wind is 12 mph.
- Do I need chains on Donner Pass (Donner Summit, I-80) 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 QuickMap — 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 73°F.
- Are there live traffic cameras on Donner Pass (Donner Summit, I-80)?
- Yes. This page shows 6 live views on Donner Pass (Donner Summit, I-80) from the state transportation departments' own camera feeds, further down the page, refreshed each time you load it.
- How often are Donner Pass (Donner Summit, I-80) 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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