Nov 20, 2013 6:35 PM by John Dissauer

One Two Weather Punch

A one two winter punch coming to southern Colorado.  The first punch arrives Thursday.


A bitter arctic cold front is racing south through Wyoming.  As of 4pm temperatures have dropped in to the teens over northern Wyoming and in the 40°s over the southeast corner.  Further north, temperatures have dipped below zero in Montana.

The cold front is forecast to begin moving in to southern Colorado during the pre-dawn hours.  I am bracketing the hours of 2am and 4am Thursday for when the cold front will pass through Colorado Springs.  I expect the front to pass through Pueblo between 5am and 7am.

Along the front, rain may initially break out.  The rain should quickly change over to a quick burst of snow behind the front.  I am not expecting much in the way of accumulating snow in the front range.  However, in higher elevations of the Pikes Peak region and the Palmer Divide there could be a couple inches of snow.

The front should be out of Colorado by Thursday afternoon.  I don't expect much in the way of snow during the day.  Yes, there could be snow flurries and a few snow showers, but don't expect it to accumulate to anything.

Temperatures will be much colder Thursday afternoon.  Expect temperatures to fall off to the 20°s by afternoon.  Winds will be brisk and wind chills will be down in the teens.


Right now it looks like we are setting up for a classic overruning snow event late Thursday night through Friday morning.

Cold air will already be in place Thursday night.  In fact, temperatures are expected to drop in to the teens for much of southern Colorado.  Winds aloft will be out of the south/southwest and will help draw up moisture out of New Mexico.  As the moisture falls, it will encounter the colder air and we should see snow begin to develop, over extreme southern Colorado.

Through the day Friday the snow should begin to lift to the north and could make it as far as Pueblo by noon.  This is a setup that would favor higher snow totals for areas south of U.S. 50.  I am expecting a narrow band of heavy snow to develop somewhere between Pueblo and the New Mexico/Colorado border.

The heavier snow should begin to taper off by late morning, although we could see snow showers continuing through Friday evening.

My initial thoughts as to amounts are as follows:

  • Colorado Springs: 2"-4" (2"-5" on northside)
  • Pueblo: 2"-4"
  • Trinidad: 3"-7"
  • Monument Hill: 4"-8"

We will continue to fine tune the forecast over the next 24 hours and these numbers are subject to change.  Stay tuned! - Meteorologist John Dissauer


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