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A rare G4 geomagnetic storm watch may make northern lights visible in Utah.

The storm, caused by solar ejections, could peak Tuesday night, per some projections.

Cloud cover might hinder visibility; eastern Utah may have better viewing conditions.

SALT LAKE CITY — Utah could be in line for another heavenly spectacle, as a potentially severe geomagnetic storm could create a visible aurora borealis over Utah.

That is, if clouds don't get in the way.

A 'very rare' watch

The Space Weather Prediction Center issued a G4 (severe) watch on Tuesday , as a series of coronal mass ejections from the sun brings solar material and magnetic fields to Earth. Those are most likely to reach Earth between Tuesday and Thursday, with early Wednesday pote

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