Aurora alert! 4 Earth-bound CMEs could spark northern lights as far south as Illinois and Oregon tonight

NOAA's Space Weather Prediction Center has issued a strong G3 geomagnetic storm warning for June 4 through to June 5, as multiple coronal mass ejections (CMEs) barrel toward Earth. Forecasters say some of the incoming eruptions may merge before arrival in a phenomenon known as a "cannibal CME," which could further intensify the storm's impact on Earth. …