Tonight’s sky could glow with the aurora borealis as a strong solar storm shakes Earth’s magnetic field.
A powerful coronal mass ejection (CME) hit Earth early June 1, triggering a geomagnetic storm.
Forecasters expect G1 to G4 storm levels, with possible Kp index peaking at 7.67—great for aurora visibility.
If skies stay clear, the northern lights could be visible far beyond usual regions, even into the central U.S.
Alaska has the highest chance of vivid auroras due to its high latitude and proximity to the auroral oval.
Michigan, Maine, and Minnesota rank high for visibility if G3-G4 storm levels persist.
States like Illinois, Wisconsin, and Iowa may also catch glimpses of dancing green and purple skies.