The agency expects a minor or greater geomagnetic storm—a disturbance of Earth’s magnetic field—on Saturday, which increases ...

The NWS extreme cold warning for Duluth said: "The dangerously cold wind chills as low as 40 below zero could cause frostbite ...

Have you hoped to see the northern lights shine over Iowa? You may have a chance tonight if you head far enough north.

Extreme cold could expose residents of several states to conditions like hypothermia and frostbite over the weekend.

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

Additionally, a winter weather advisory is set for dozens of counties in eastern North Dakota and northern Minnesota.

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

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

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

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