Northern Lights in MN: Solar flares sets stage for aurora FOX 9 Minneapolis-St. PaulAurora alert: Possible geomagnetic storm could spark northern lights as far south as Illinois and Oregon tonight Space.comNorthern Lights Return: Powerful Solar Flare May Cause Aurora Borealis To Be Visible In These States ForbesLook to the sky: Rare chance to see Northern Lights in Philadelphia region Friday NBC PhiladelphiaStrongest solar flare in 7 years could lead to communication blackouts on Earth Fox Weather