Donner Pass (Donner Summit, I-80) Weather & Road Conditions

4 current reports along the route. The 2 most serious are listed below. Always check with the responsible state DOT before setting off.

• Lanes blocked

  I-80 mainline closure (lanes 1)

  Mainline closure. Work: Bridge Work. Lanes closed: 1. Near Soda Springs, Placer County.

  Soda Springs • West • CA • Until Oct 9, 2:59 PM

• Lanes blocked

  I-80 mainline closure (lanes 1, 2, RShoulder)

  Mainline closure. Work: Utility Work. Lanes closed: 1, 2, RShoulder. Near Truckee, Nevada County.

  Truckee • West • CA • Until Oct 9, 1:01 PM

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 the levels mean, with the exemptions and what you have to be carrying, is on the California 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 66°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) Weather Forecast: Next 6 Days

At the summit, 7,239 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

   

   53°F 51°F

   Dry

   Wind to 2 mph

2. Fri Oct 9

   

   79°F 50°F

   Dry

   Wind to 13 mph

3. Sat Oct 10

   

   72°F 38°F

   Dry

   Wind to 18 mph

4. Sun Oct 11

   

   58°F 23°F

   Ice worst around 10 PM

   Wind to 23 mph
   0.27 in precipitation

5. Mon Oct 12

   

   47°F 22°F

   Ice worst around 5 AM

   Wind to 6 mph
   0.28 in precipitation

6. Tue Oct 13

   

   59°F 28°F

   Ice worst around 1 AM

   Wind to 11 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.

Related Roads

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 Oct 8, 2026 8:02 PM PDT. 4 lane closures, roadworks or restrictions are 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 colors the route along Donner Pass (Donner Summit, I-80) by what is on the pavement right now — dry, wet, slush, snow or ice — from radar and surface data, last updated Oct 8, 2026 6:34 PM PDT. Right now temperatures run from 69°F to 77°F and the strongest wind is 11 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 66°F.

What is the weather forecast for Donner Pass (Donner Summit, I-80) this week?

At the summit, Oct 8 to Oct 13: highs 47-79°F, lows 22-51°F. Snow or ice is forecast on the road Sun, Mon and Tue. 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 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.