The northern lights could be visible in Chicago and other parts of the U.S. thanks to a severe geomagnetic storm.

The Space Weather Prediction Center recorded a storm with a strength of G4, or severe, Sunday morning. Its effects are likely to last into Monday morning, meaning the aurora borealis, or the Northern Lights, could be visible as far south as central Illinois, the center forecasts.

In the Chicago area, clear skies are forecast Sunday night into Monday morning, making the lights more likely to be visible.

By Monday night, the likelihood of being able to see the northern lights in Chicago drops considerably.

The geomagnetic storm comes from a coronal mass ejection passing over Earth and other geomagnetic activity. The ejection carries charged atoms, which cause the northern lig

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