Meteorologists warn that the coldest burst of Arctic air this season is coming to put an icy and prolonged exclamation point on America’s winter of repeated polar vortex invasions starting this weekend.

The U.S. is set to feel the impacts of an Arctic polar vortex next week, meteorologists have warned, with sub-zero temperatures possible across much of the country. Meteorologists explained that polar vortex intrusions are usually not disruptive,

We are tracking the return of the polar vortex next week as a wavy jet stream brings a blast of Arctic air to the Great Lakes.

A major winter storm will continue in the mountains through Saturday and a Pinpoint Weather Alert Day is issued as the Denver weather forecast does feature a chance to see light snow Saturday afternoon with minor accumulations possible.

Starting late tonight, a scattered round of wintry mix will move through the area, mainly along and north of I-70. A Winter Weather Advisory will go into effect from 3 am to 6 pm Saturday for mixed precipitation along the northern border. A tenth of an inch of ice accumulation is possible with an inch or less of snow accumulation.