More than 600 flights were canceled or delayed at Denver International Airport on Sunday as light snow continued to fall across the mountains and Front Range and temperatures hovered below freezing across the state.

A "major winter storm" is impacting flights across the country Monday, according to the National Weather Service.

A powerful winter storm is wreaking havoc across much of the country. Those troubles are extending into eastern Iowa with flight cancellations and delays. There have been two flights canceled out of the Cedar Rapids airport Monday morning.