Full Breakdown
Colorado Experiences First Winter Weather Advisory of the Season
9/23/2025, 1:48:40 PM
Overview of the Weather System
Colorado is currently experiencing its first significant winter weather event of the season, marked by a cold front that has brought heavy rain and mountain snow across the state. The National Weather Service has issued a Winter Weather Advisory for the Northern Front Range mountains, effective from midnight Monday through 6 p.m. Tuesday. This storm system began impacting the region on Monday afternoon, coinciding with the official start of fall.
Expected Weather Conditions
The storm is expected to deliver substantial precipitation, particularly in higher elevations. Snow accumulations in the mountains are projected to range from 3 to 8 inches above 9,000 feet, with isolated areas above 12,000 feet potentially receiving up to a foot of snow by Wednesday morning. In the Denver metro area and surrounding plains, rainfall amounts could reach between 1 to 2.5 inches, with the heaviest precipitation occurring from noon to 7 p.m. on Tuesday.
Impact on Travel and Local Areas
Travel conditions are anticipated to be hazardous, especially on mountain passes such as Berthoud Pass, Cameron Pass, and the Eisenhower/Johnson Tunnels, where snow and slush could create slippery roads. The National Weather Service has warned that snow levels may drop to as low as 8,500 feet, affecting travel routes and alpine backcountry areas. As a precaution, Rocky Mountain National Park has closed Trail Ridge Road due to the incoming storm.
Official Statements & Responses
Meteorologists have noted that the storm is being driven by an upper-level low pressure system, which is contributing to the significant moisture and upslope winds. They have highlighted that the northern portions of the Front Range will likely receive the bulk of the snow due to favorable conditions. The National Weather Service has advised residents to prepare for a chilly and damp day on Tuesday, with temperatures in Denver expected to drop to the upper 50s and lower 60s.
Criticism & Opposition
While the weather event is being closely monitored, some residents have expressed concerns about the abrupt transition from warm to cold weather, which can lead to unpreparedness for hazardous conditions. The National Weather Service has also issued a Hazardous Weather Outlook, indicating that while the storm may not produce severe weather, the combination of rain and snow could still pose risks.
What's Next
Following the storm, a warming and drying trend is expected to commence on Wednesday, with temperatures gradually returning to seasonal norms. By the end of the week, sunny skies and highs in the upper 70s to low 80s are forecasted, providing a stark contrast to the current weather conditions.
Verbatim Quotes
- “This could impact travel across higher mountain passes and bring hazardous conditions to alpine backcountry areas,” — National Weather Service Forecasters
- “Snow levels could drop to around 9,000 feet — and maybe even as low as 8,500 feet by early Tuesday.” — National Weather Service Forecasters
- “Expect temperatures to slowly return to seasonal norms on Wednesday and Thursday, before above-normal temperatures resume by Friday.” — National Weather Service Forecasters
This weather event serves as a reminder of Colorado's rapidly changing climate, where residents must remain vigilant and prepared for sudden shifts in weather patterns.
