Denver is under a winter storm watch as of Tuesday, May 4, 2026, with severe weather conditions expected to intensify throughout the week, particularly along the I-25 corridor . National Weather Service (NWS) Denver/Boulder has issued several warnings, with a winter storm warning covering much of Colorado’s northern mountains and foothills, including the Rocky Mountain National Park .
I-25 Corridor: A Hub of Winter Weather Advisory
National Weather Service has issued a winter storm warning for much of the northern mountains and foothills, including Larimer County and Rocky Mountain National Park. The warning is in effect from early Tuesday, 12:00 AM MDT, until Wednesday, 3:00 PM MDT . Residents and travelers in Larimer and Boulder Counties, between 6,000 and 9,000 feet, are advised to prepare for heavy snowfall and dangerous road conditions .
Snowfall Forecasts and Travel Alerts
Travelers on I-25 and I-70 should anticipate severe conditions, with updated forecasts predicting up to 16 inches of snow and gusts reaching 50 mph . Road conditions are expected to be hazardous, with icy and slushy spots, especially on bridges and overpasses .
“The winter storm watch for the northern I-25 corridor is expected to intensify through Wednesday. This will disrupt travel, making it crucial for residents and travelers to stay updated with the latest weather forecasts and alerts.” - National Weather Service .
Winter Storms in Colorado: Historical Parallels and Future Preparedness
The winter storm watch for the northern I-25 corridor is expected to intensify through Wednesday. This will disrupt travel, making it crucial for residents and travelers to stay updated with the latest weather forecasts and alerts . The winter weather advisory, which covers much of the northern mountains and foothills, including Larimer County and Rocky Mountain National Park, remains a major concern. The National Weather Service has issued a winter storm warning for much of the northern mountains and foothills, including Larimer County and Rocky Mountain National Park .
Looking back, Colorado’s last significant winter storm in 2020, which dumped over 20 inches of snow in the mountains, caused extensive travel disruptions and power outages. The severe conditions forced the closure of major highways, including I-25, for several days .