A coronal mass ejection earlier this week may pull the northern lights to more northern U.S. states, forecasters said.

A La Niña winter just started, but it isn't expected to last long. National forecasters are already looking ahead to the spring season.

Flags flying across the state of South Dakota should not be doing so at half-staff come Jan. 20. That’s at the order of Gov. Kristi Noem, who Thursday morning required the flags be raised again for the duration of Inauguration Day,

The northern lights should continue well into the weekend and may even reach down into the middle parts of the US.

Environmental groups concerned about loss of protections for vanishing animals see one of President Donald Trump’s early executive orders as a method of subverting the Endangered Species Act in the name of fossil fuel extraction and corporate interests.

A La Niña winter just started, but it isn’t expected to last long. National forecasters are already looking ahead to the spring season.

The arctic blast is expected to affect millions of people across the United States with brisk winds, and dangerously cold wind chills expected to dip as low as 30 to 55 degrees below zero, says the NO

A La Niña winter just started, but it isn’t expected to last long. National forecasters are already looking ahead to the spring season.

A La Niña winter just started, but it isn’t expected to last long. National forecasters are already looking ahead to the spring season.

A La Niña winter just started, but it isn't expected to last long. National forecasters are already looking ahead to the spring season.

A La Niña winter just started, but it isn’t expected to last long. National forecasters are already looking ahead to the spring season.

A cold front will move through for tonight. Scattered flurries will still be possible as lows fall to the single digits and lower teen (above zero). With the passage of the front, tomorrow will be a colder day with highs in the teens and 20s.