DENVER — Snow will pick up in the mountains tonight, and anyone traveling over the high passes should expect conditions to get worse as the evening goes on. Snow has already been steadily increasing in the high country and will continue through the night. Roads will become slick and visibility will drop, so plan for extra travel time or consider delaying trips if possible. I-70 has been shut down multiple times on Sunday due to crashes.
Along the urban corridor and the plains, light snow will develop this evening. Most spots will only see a dusting overnight, but a few narrow bands, mainly south of I-70 (Castle Rock to Colorado Springs), could drop a quick 1–3 inches. These bands are hit-or-miss, but where they set up, roads could get briefly slushy or snow-covered. Aside from the snow, temperatures will remain very cold overnight, with lows in the single digits to low teens.
Monday will stay cold as well, even after the morning snow ends across the plains. Highs will struggle to reach the 20s and 30s, and skies will gradually clear. Mountain snow will take a break for much of the day, giving the high country a short lull before the next round arrives.
Another system approaches on Tuesday, bringing back light snow to the mountains. Accumulations don’t look particularly heavy, but fresh coatings are likely, especially in the Park and Medicine Bow Ranges. Temperatures will warm slightly but still stay below normal for early December.
The bigger story comes Wednesday, when confidence is increasing that most of the area, including lower elevations, will see another round of snow. This one has the best chance so far this season to impact travel along the I-25 corridor. Snow amounts are still uncertain, but the setup favors widespread precipitation during the day, even if the storm moves quickly. Plan for possible slick roads and delays. After this system exits, a more active northwest flow pattern continues into late week, keeping periodic snow in the mountains and breezier conditions across the region.
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