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Space.com on MSNAurora alert! Powerful geomagnetic storm could spark northern lights as far south as Illinois and Oregon tonightHeads up aurora chasers! Powerful geomagnetic storm conditions could trigger northern lights at mid-latitudes overnight as a CME impact is detected and more could be on the way.
A minimum Kp index of 8 is typically needed for the northern lights to be seen in central Illinois. Tonight's geomagnetic activity may not be that strong.
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