SPECIAL TRAVEL ALERTS FOR WINTER WEATHER THIS HOLIDAY WEEK
With the storms coming in this holiday week, some higher elevation roads and highways may be impacted by rain, snow, and ice. Please be prepared and call ahead for the most up-to-date conditions. Carry tire chains or cables and know how to install them for a smooth and safe trip:
- Highway 108/Sonora Pass and Highway 120 outside of Yosemite National Park: Call Caltrans at 1-800-427-7623 or view QuickMaps or Current Road Conditions.
- Highway 120 and Big Oak Flat Road in Yosemite National Park: Call 209/372-0200 (then 1, 1) for current road status within Yosemite National Park.
Download Caltrans' Winter Driving Tips brochure for detailed information.
All drivers must carry tire chains or cables in their vehicle when entering a designated chain control area, even if the vehicle is equipped with 4-wheel OR all-wheel drive or is a rental vehicle, and may be required to install them.
Check the weather at the links below.
Current Road Conditions
Updated: 12/26/25, 12:00pm.
This information is generally only updated Monday through Friday during normal business hours as needed. Check websites and call the numbers listed for the most current information.
Check nps.gov/yose or cal 209-372-0200 for the most current updates as conditions can change quickly with upcoming storms.
- Highway 120 West/The Big Oak Flat Entrance: OPEN
- Tioga Pass (120 East) in Yosemite National Park: CLOSED FOR THE SEASON. Scheduled to reopen by Memorial Day Weekend 2026
- Hetch Hetchy Reservoir: OPEN (Closes during snow or if snow is in the forecast)
Please protect wildlife by obeying speed limits.
Text "Yosemite" to 333111 to receive text (SMS) alerts about real time parking, traffic, and emergencies in Yosemite National Park.
Call CalTrans for current conditions at 1-800-427-7623 or view QuickMaps or Current Road Conditions. Conditions can change quickly with upcoming storms.
- Highway 108/Sonora Pass: CLOSED FOR THE SEASON AT SNO-PARK (11 MILES EAST OF STRAWBERRY) DUE TO SNOW.
- Caltrans encourages motorists to drive with caution, carry chains, and watch for icy road conditions in the early morning & evening hours. The route can close again due to inclement weather.
Quick Winter Travel Tips
Before heading to the mountains for winter fun...
Winterize Your Vehicle: Check tires, battery, wiper blades, brakes, heater, fluids and lights
Pack an Emergency Supply Kit: First-Aid kit, food, water, flashlights, blankets, warm clothes
Carry tire chains, know how to install them, and check the road conditions at 1-800-427-7623
Sign Up for Tuolumne County Emergency Alerts delivered to your cellular phone and/or email while you're in the area.
Current Weather and Air Quality Conditions
Weather:
Click for pinpoint forecasts from the National Weather Service
Sonora | Groveland | Hetch Hetchy Reservoir | Twain Harte | Pinecrest | Yosemite Valley | Crane Flat on Big Oak Flat Rd.
Air Quality:
Click here to see the current air quality data while considering your outdoor activities.
View Local Webcams:
Note: These webcams are not operated by Visit Tuolumne County.
Groveland (Pine Mountain Lake Airport, off of Highway 120)
Groveland (CalTrans webcam, Highway 120; elevation 2,800 ft.)
Twain Harte (Highway 108 corridor; elevation 4,000 ft.)
Dodge Ridge Mountain Resort Webcams (Highway 108 corridor; elevation 8,200 ft. and 6,600 ft.)
