Strong winds are warming up parts of Colorado but also creating travel problems.
"It’s going to feel like the tropics," meteorologist Eric Thaller said, forecasting temperatures in the 20s.
Light snow will taper off in the Denver area through the morning, with a forecasted high of only 4 degrees.
Passenger vehicles on I-70 between Golden and Idaho Springs are required to have at least an eighth of an inch of tread on their tires or chains.
A winter storm has brought blowing snow, poor visibility and icy roads to the high country.
The regular temperature was just 0 in Denver at dawn on Wednesday but it felt more like 19 below.