A winter storm is headed for northern Colorado this weekend, with snow accumulations of up to 12 inches being forecasted, according to the National Weather Service (NWS). The incoming snow will cover roads and make travel "hazardous," the NWS warns.

Temperatures will hover in the single digits above and below zero across the Front Range and Eastern Plains, but overnight wind chills will make it feel as cold as minus 30.

Here are the lowest temperatures across Colorado on Tuesday morning, according to the National Weather Service.

Here are the lowest temperatures across Colorado on Monday morning, according to the National Weather Service.

During the arctic blast over the weekend, Denver reached minus 11 degrees, but some places across Colorado were even colder.

Chances for snow will start in Denver around sunset, but snowfall will be more likely to start between 7 and 9 p.m. Sunday, forecasters said.

Are the lights looking sparklier than usual? Don’t worry, your eyes are working fine and you are actually experiencing a weather phenomenon caused by ice. The U.S. National

Sunny weather in Colorado Springs with a high near 32. Light snow showers possible. Cold Arctic air mass expected to spread southward.

It'll be warmer for Friday with highs in the 40s. A cold front brings in snow and colder air this weekend. Around 1-3 inches of accumulation for the metro. Heavier snow over the northern mountains.

By this afternoon, temperatures in the Denver metro will be around the low to mid-30s, with some areas nearing 40 degrees.

Hundreds of flights at the Denver International Airport were delayed and canceled, and there were several traffic jams and road closures during whiteout conditions. An extreme cold warning was issued for places that reached or were likely to reach minus 25 to minus 35 degrees.