The Sun Unleashed a Huge Solar Flare at Earth, And We're on Aurora Alert ScienceAlertPeak northern lights activity coming soon: What to know as sun reaches solar maximum USA TODAYAurora alert: Possible geomagnetic storm could spark northern lights as far south as Illinois and Oregon Space.comNorthern lights are forecast in Iowa again this week, but might not be as vibrant as May Des Moines RegisterGeomagnetic Storm Watch issued; Prepare for northern lights over Michigan, southern Midwest MLive.com