Traffic was flowing on major Colorado roadways Saturday morning despite the snow and ice that settled across the Front Range late Friday, putting many emergency services agencies on accident alert. The Colorado Department of Transportation’s statewide map showed all interstate and major state highways open as of 10:30 a.

A winter storm blew into Colorado this weekend, dropping temps and blanketing the state with several inches of snow by Saturday morning. More snow is possible Sunday.

Here is what is and isn't a polar vortex when Colorado receives cold like what is forecast for the holiday weekend.

The next winter storm will move into Colorado on Friday and bring snow back to the Denver area, according to NWS forecasters.

The NWS has issued warnings this weekend after a powerful polar vortex plunged temperatures nationwide during the week.

Colorado started Wednesday very chilly, including a reading of -15 degrees in Greeley. Snow returns Thursday morning to the Front Range.

Colorado is set to see a freezing weekend as snow and a bitterly cold arctic blast of air moves into the state on Friday, according to the National Weather Service. Wednesday and Thursday will be the last semi-warm days before temperatures begin to drop,

High winds are typically associated with winter storms, hurricanes or severe thunderstorms. But on the morning of Jan. 17, 1982, 43 years ago, a fierce windstorm hammered the Front Range of Colorado with gusts you might associate with a mountain top or within the eyewall of a hurricane.

Tuesday night temperatures plummeted into the single digits and below following a snowstorm that blanketed much of the state, leading to dangerously cold temperatures ahead of the next round of snow.

Colorado has sent nine “strike teams” made up of local firefighters to aid in fighting the fires in Southern California.

An early season forecast indicates Lake Powell will get only about 81% of its normal water flow because of dry conditions around much of the Upper Colorado River Basin.