A rare and fast CME triggered a severe G4 geomagnetic storm, producing brilliant auroras seen across Europe and the U.S. under ideal dark sky conditions.

Meteorologist David Yeomans forecasts on CBS News Chicago weekdays at 11 a.m. and 4 p.m., and reports on the Climate Watch team. The northern lights were visible Tuesday night across the Chicago area, illuminating the sky with brightly colorful displays ...

A strong northern lights display could be blocked by clouds and snow in Michigan Tuesday night, Jan. 20. Where you might see it.

Update, Nov. 5, 2025: NOAA has upgraded its forecast to a G3 (strong) geomagnetic storm, meaning up to 21 U.S. states may see aurora overnight on Nov. 6-7, 2025. Two X-class solar flares — the strongest category there is — occurred on the sun on Nov. 4 ...

The northern lights celestial show may unfold in the sky over Massachusetts Monday night as a powerful solar storm arrives on Earth. Clouds will be a big factor in seeing it though. NOAA's Space Weather Prediction Center says a "cannibal" coronal mass ...