Pattern change to winter weather coming to Colorado this week

Following a mild start to the week, major changes to the weather pattern will arrive in Colorado over the second half of the week with a sustained period of cold temperatures along with multiple chances for snow.  The first system will arrive on Thursday, and although this looks to be a generally light snow event at this time, it will usher in much colder air.  Following Thursday, there will only be a brief break before an arctic cold front arrives from the north Friday night along with an upper level disturbance, bringing another round of light snow from Friday night through Saturday, and possibly lingering into Sunday morning. 

Although both of these events will likely end up producing snowfall amounts on the lighter side, there could potentially be high impacts on the roadways due to cold temperatures allowing snow to easily accumulate on pavement.  Temperatures will likely stay below freezing from Wednesday night through Christmas Day and beyond, with the first subzero temperatures of the season also possible in about a week from now on Christmas Eve and Christmas Day. 

Here is NOAA’s 6-day outlook showing a high likelihood of below average temperatures across the western and central U.S. around Christmas.


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