Interstate 80 Road Conditions
Interstate 80 over Donner Summit is open year-round, but conditions on the pass in the winter often cause temporary closures. For this reason, during the winter it is always prudent to check with CalTrans before setting out.
Road Condition Information
These are among the best contacts for road conditions:
- Caltrans current road conditions: 1-800.427.7623
- CalTrans Road Information
- Caltrans QuickMap - a very useful tool for locating chain controls and much more
- Caltrans Social Media Pick #3 for Donner Summit. Twitter, Facebook, etc.
- Caltrans Chain Controls and Chain Installations
- SigAlert - Donner Summit
- Caltrans mobile
A Soda Springs weather report is close enought to Boreal, Sugar Bowl, Donner Ski Ranch, and, of course, Soda Springs, to provide accurate weather information for the ski resorts. For more detailed snow reports from the ski resorts, see the links below to the individual resorts and their webcams.
Snow Chain Designations
Requirement One (R1): Chains or snow tread tires required. Snow tires must have a tread depth of 6/32" with a "M & S" imprint on the tire's sidewall.
Requirement Two (R2): Chains required on all vehicles except four-wheel drives or all-wheel drives with snow tread tires on all four wheels. (NOTE: four-wheel and all-wheel drive vehicles must carry traction devices in chain control areas)
Requirement Three (R3): Chains are required on all vehicles, no exceptions.
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Winter Apparel
Winter Apparel
Tahoe National Forest Campgrounds
The most convenient source of information about campground status in the Tahoe National Forest is on their website:
Tahoe National Forest Recreation.
For more current information call (530) 265-4531.
Nevada Irrigation District Campgrounds
Campgrounds at Rollins Lake, Scotts Flat Lake, and Jackson Meadows are operated by the Nevada Irrigation District (NID). Check their website for current camping information:
Nevada Irrigation District Campgrounds
PG&E Campgrounds
Some campgrounds are operated by PG&E. Every year their reservation window changes, so check their recreation website for information on reservations and campground status:
PG&E Outdoor Recreation
Other Campgrounds
Inn Town Campground - Nevada City
Donner Memorial State Park
Snow Report Websites and Webcams
Check on snow conditions through ski resort webcams and snow reports. Webcams are sometimes found at the bottom of the ski resort's home page.
Boreal Snow Report
Boreal Webcams
Donner Ski Ranch Webcams
Donner Ski Ranch Snow Report
Soda Springs SNOW REPORT
Sugar Bowl Webcams
Sugar Bowl Snow Report
Tahoe Donner SNOW REPORT
Tahoe Donner Webcams