Larimer County, CO – The first day of fall is arriving with an early taste of winter in Colorado. Trail Ridge Road in Rocky Mountain National Park will temporarily close to thru traffic starting at 6 p.m. tonight, Monday, September 22, due to snow and freezing temperatures.
According to the Larimer County Sheriff’s Office, the forecast calls for a mix of conditions this week, with mountain areas seeing snowfall totals between 4 and 6 inches. The National Weather Service in Denver/Boulder warned that higher mountain passes will experience winter-like travel impacts from Monday evening through Tuesday.
Trail Ridge Road, which climbs to more than 12,000 feet in elevation, is a popular scenic route for both visitors and commuters. Park officials advised drivers to prepare for rapidly changing conditions and check cotrip.org for the latest statewide updates before heading into the mountains.
The closure comes as a precaution for driver safety. Snowfall maps shared by the National Weather Service show heavier accumulation expected across the central and northern Rockies, including portions of Larimer and Grand counties.
Travelers should expect slick roads, possible delays, and additional closures if conditions worsen. The National Park Service will provide further updates on when the road may reopen.
This article was produced by a journalist and may include AI-assisted input. All content is reviewed for accuracy and fairness.
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