Northern Lights Could Be Visible Over IL Tonight: NOAA
By Amie Schaenzer
Published on April 21, 2026.
The northern lights could be visible over northern Illinois, though viewing conditions may be limited. Forecasters predict that a minor (G1) geomagnetic storm is possible due to lingering solar wind effects, which can push aurora visibility further south. The potential viewing is dependent on clear skies and minimal light pollution.
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