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

The effects of a coronal mass ejection—a bubble of plasma that bursts from the sun’s surface—will likely impact Earth’s ...

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

It will be cloudy and cooler today with rain returning later this evening. Highs will be in the upper 40s this afternoon. It ...

A cold front brings snow back to the forecast tonight into Friday morning. Behind the front we'll see cold and dry weather ...

A cold start to Sunday. Overnight lows in the single digits and below zero, plus just enough of a breeze means wind chills ...

The sun is currently at solar maximum, according to NASA, the peak of activity in its natural cycle, which is creating more ...

Wind chills to -25 this morning, then more snow develops. Another 4" to 8" north and west of Grand Rapids. Get the latest ...

The sun is currently at solar maximum, according to NASA, the peak of activity in its natural cycle, which is creating more ...

Arctic blast brings dangerously cold air and snow. Snow showers will be persistent and widespread, with near white-out ...

Skies will gradually clear on Friday, but as skies clear even colder air arrives. Record lows will be possible Saturday ...

Our next weather system comes in the form of a cold front on Thursday night and Friday. This will bring snow showers back to ...