Officials in downtown Denver have opened shelters and warming centers in response to the severe weather ... appeared on USA TODAY: Colorado power outage tracker: Map shows nearly 50,000 without ...

The arctic blast brought cold temperatures across Colorado, leaving negative temperatures, freezing wind chill and over a foot of snow in some areas across the state.

The NWS has issued warnings this weekend after a powerful polar vortex plunged temperatures nationwide during the week.

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