High mountain snow likely in Colorado this weekend

Tomer’s Take:

  • 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–>

October 1, 2022 snow on Loveland Pass.

Current Setup

Water vapor satellite shows a low pressure system and cold front sliding through Utah, Wyoming and into Colorado. Red/orange = drier air aloft.

Water vapor satellite 9/30/2022 11:15am.

Mountain Forecast

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.

Humidity mid troposphere, Euro interpretation valid 10/1-10/2.

Monarch Pass and Above

Snow ChanceAMPM
Snow chances on Monarch Pass and Above.

How much accumulation? Possibly 1-2″ each afternoon/night above treeline.

Mount Sneffels and Above

Snow ChanceAMPM
Snow chances on 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.

Total snowfall 9/30-10/2, NAM model interpretation.

5 thoughts on “High mountain snow likely in Colorado this weekend

  1. Gaar Strattan

    Thanks Chris, of Monday for a fall colors RV trip. How do things look for Arroyo Seco N.M ? I am trying to decide when to rip my garden out

    1. christomer Post author

      Hi Gaar – On Monday, looks cloudy, cooler in the 50s, and 80% chance for rain showers. I’m seeing snow on Colorado’s high peaks this morning. Season’s are changing! Chris

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