Bitter cold air settled into Colorado’s high country after a weekend snowstorm hit the state. By Monday morning most locations above 8,000 were at or below zero. ... The National Weather Service in Boulder says the temperature fell to -48°F at Antero Reservoir in Park County. A trooper with the Colorado State Patrol in Alamosa tweeted a picture of his car thermometer reading -28°F. Other low temperatures include… -26°F (6 miles NW of Kremmling)