Snow Information

Winter storms can bring snow, sleet, and freezing rain. Local agencies do their best to keep up with the conditions. This website is an effort to help educate the public and be a unified source of information.

Caltrans Chain Control/Chain Installation San Bernardino County Snow Resident Mailer San Bernardino County Snow Plow Timelines Getting Traction: Tips for Traveling In Winter Weather Snow Removal Frequently Asked Questions Snow Program Overview Presentation

Road Status

  • Check current closures on county-maintained roads. 
  • Information is updated as conditions change. 

Weather/Webcams/Map

Weather Links

Live Webcam Links

Driving in Snow 

Traveling During Snow Conditions 

  • Before You Go: 
    • Check road status 
    • Carry chains when required 
    • Ensure your vehicle is winter-ready 
  • While Driving: 
    • Reduce speed 
    • Increase following distance 
    • Do not pass snow equipment 
    • Give plows space to operate 
  • Parking: 
    • Park off the roadway 
    • Do not block snow routes 

View Full Winter Driving Tips

How Snow Removal Works 

Snow Removal Priorities 

During a storm, roads are cleared in this order: 

  • Primary Routes
  • Major roads and access for emergency personnel.   
  • Secondary Routes 
  • Connector roads and higher traffic residential streets 
  • Local Roads
  • Lower volume neighborhood streets once primary routes are passable

Storm intensity and duration impact timelines. 

Learn More About Snow Operations

Report an Issue

Need Assistance? 

To report a snow-related road issue: 

Phone:(909) 387-8063
After Hours Emergency: (909) 356-3805

Please provide: 
• Road name 
• Nearest cross street 
• Description of issue 

• Caltrans QuickMap 
• CHP Traffic Incidents 
• National Weather Service 
• Ready SB County Alerts 
• Mountain Transit Information 

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