The Northern Lights may be visible as far south as Iowa and Pennsylvania (and northern Oregon) beginning tonight, per NWS Seattle and this update on the solar storm that's upon us. It's apparently quite complex; fortunately, although there were multiple CMEs, they think the event might not have much impact on Earth but will knock the aurora more equator-ward.
Edit: The SWPC has a 30- to 90-minute aurora forecast update page: https://www.swpc.noaa.gov/products/aurora-30-minute-forecast
Edit: The SWPC has a 30- to 90-minute aurora forecast update page: https://www.swpc.noaa.gov/products/aurora-30-minute-forecast
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