As the sun rises Monday morning, Denver will be nearing its 65th hour of nonstop, below-freezing temperatures. National Weather Service meteorologist Maggie Ideker said the polar-vortex-fueled storm moved in across Colorado around 5 p.m. Friday, quickly dropping metro temperatures into the teens. But the below-freezing streak started two hours earlier, around 3 p.m., she said. RELATED: Everything you need to know about the polar vortex bringing extreme cold to Colorado Since then, temperatures in Denver and across the state have struggled to make it out of the single digits and, in many places, especially overnight, have plummeted below zero. “We’re currently utilizing nine facilities specifically for overflow emergency cold weather shelter,” Katie Wamsley with the Denver Department of Housing Stability said.