- A series of cold fronts deliver colder air and snow accumulation above treeline Friday, Saturday, and Sunday in Colorado.
- Below treeline precipitation stays rain.
- Snow accumulation is possible in all mountain zones above treeline.
- Some of the biggest totals might occur in the San Juan Mountains.
- Air temps in the mountains will gradually drop each day.
- Monday-Tuesday (10/3-10/4) look even colder with continuing snow chances.
10/1 Update: October snow! Loveland Pass–>
Water vapor satellite shows a low pressure system and cold front sliding through Utah, Wyoming and into Colorado. Red/orange = drier air aloft.
Atmospheric moisture this weekend will be running high. Rain is likely at lower elevations with snow above treeline. Here’s humidity mid-troposphere valid 10/1-10/2.
Monarch Pass and Above
How much accumulation? Possibly 1-2″ each afternoon/night above treeline.
Mount Sneffels and Above
How much accumulation? Possibly 2-4 inches each day above treeline.
Total weekend snowfall is shown below according to the NAM model. It’s optimistic with accumulation and believes almost 18 inches is possible on the 13ers/14ers.