Little precipitation east of mountains; wind instead

5:45 AM MDT, Tuesday, October 12, 2021

Significant snow is likely in the high elevations over the next 24-36 hours. Some areas are likely to get over 12″, but mainly in unpopulated areas above treeline. Watch out for winter travel at the high passes. Some snow will likely occur east of the continental divide, but mainly west of Peak to Peak highway and within a few miles of Eisenhower Tunnel.

For the eastern foothills and plains there may be a brief period with showery rain or graupel today, but little or no overall accumulation (except up toward Cheyenne where light amounts are more likely). A major snowstorm is expected to take shape later today and tonight a short distance north of Cheyenne in east-central and northeastern Wyoming.

As the storm pulls away from the Front Range region this evening, we are likely to see strong west and northwest winds across the eastern foothills and plains this evening through Wednesday morning. With trees still leafed out, there could be some scattered tree and power line damage.

A weaker storm on Thursday should bring some light snow to the mountains and maybe a little rain changing to snow for the eastern foothills and plains. Although the chance for snow in the urban corridor is better with that one, the chance for anything measurable is less than 50-50. However, the chance for widespread freezes by Friday morning is quite good.

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