DENVER, CO – Colorado’s high country is bracing for its first significant snowfall of the season as a cold front moves through the Rocky Mountains, potentially dropping up to five inches of snow on major mountain passes between Monday and Wednesday.
The National Weather Service has issued winter weather advisories for elevations above 10,000 feet, warning travelers about hazardous conditions on Interstate 70 and other critical mountain corridors. The early season storm arrives as many drivers remain unprepared for winter driving conditions.
Forecasters predict the heaviest snow will fall Monday night through Tuesday morning, with accumulations of three to five inches expected at popular passes including Eisenhower Tunnel, Vail Pass, and Rabbit Ears Pass. Lower elevations could see a mix of rain and snow, creating slushy and slippery road conditions.
Colorado Department of Transportation officials are mobilizing crews to pre-treat roadways and position snow removal equipment at strategic locations throughout the high country. The agency is reminding drivers about the state’s Traction Law, which requires adequate tire tread or chains when winter conditions exist.
The approaching storm system originated in the Pacific Northwest and is expected to bring moisture to much of the intermountain West. Meteorologists say the early season snow is not unusual for Colorado’s highest elevations, where snow has been recorded in every month of the year.
Ski resort operators are welcoming the early snowfall as a positive sign for the upcoming winter season. Several resorts have announced plans to begin snowmaking operations this week, taking advantage of the cold temperatures accompanying the storm system.
The Colorado State Patrol is warning drivers to adjust travel plans and allow extra time for mountain crossings. Troopers report that early season storms often catch motorists unprepared, leading to increased accidents and slide-offs as drivers encounter winter conditions for the first time since spring.
Mountain communities are advising residents to prepare for potential power outages as heavy, wet snow could weigh down tree branches onto power lines. Utility companies have staged crews in mountain towns to respond quickly to any service disruptions.
The storm is expected to impact fall tourism activities, with several hiking trails and campgrounds likely to become inaccessible due to snow accumulation. Rocky Mountain National Park officials have warned visitors that Trail Ridge Road could experience temporary closures if conditions deteriorate.
Commercial truckers are being advised to carry chains and check road conditions frequently, as chain laws could be implemented with little notice. The Colorado Motor Carriers Association is reminding drivers that fines for chain law violations can exceed $1,000 for commercial vehicles.
After the storm passes Wednesday, forecasters expect a brief warming trend before another system potentially brings additional snow to the mountains next weekend. The pattern suggests an active start to the snow season, welcomed news for Colorado’s ski industry and water managers monitoring snowpack levels.

