Bright green and purple aurora borealis over Lake Superior in Minnesota. Photo captured by Vincent Ledvina, The Aurora Guy

United States (Lower 48)

Northern Lights can often be seen from the contiguous United States, even under quiet geomagnetic conditions.

Northeast

Post Observatory (Trenton, Maine)
NEOC StarCam (Twin Lakes, Maine)
Hope, New Jersey
Westport Astronomical Society (Westport, Connecticut)
South Brunswick, New Jersey
White Hall, Maryland

Midwest

Michigan

Naubinway, Michigan
Allen, Michigan
Manistee, Michigan
Cheboygan, Michigan
Ludington, Michigan
Norway, Michigan
Cedarville, Michigan
(If the above webcams are not loading, it is because the YouTube links change frequently. Check the channel that runs the webcams: https://www.youtube.com/@MichiganWeatherNetwork)
Cedar Springs, Michigan
North Shore Webcam (Isle Royale National Park, Michigan) - NORTH VIEW
North Shore Webcam (Isle Royale National Park, Michigan) - SOUTHWEST VIEW
North Shore Webcam (Isle Royale National Park, Michigan) - NORTHEAST VIEW
Keweenaw Mountain Lodge (Copper Harbor, Michigan)

Minnesota

Live Dark Sky Views from Ely, Minnesota
Chik-Wauk All-Sky Camera (Gunflint Trail, Minnesota)

Other states

NoDDAC (Grand Forks, North Dakota)
Chippewa Valley Astronomical Society (Fall Creek, Wisconsin)
Sullivan, Illinois
Warrensburg, Missouri

Western United States

Hills Resort Live Beach Cam (Priest Lake, Idaho)
Aspen Snowmass, Colorado
Dusty Star Observatory (Glacier National Park, Montana)
Skunk Bay Weather (Skunk Bay, Washington)
Kent, Washington

Southeast United States

Gatlinburg, Tennessee
SkyShack Observatory, (Deerlick Astronomy Village, Georgia)
Marco Island, Florida

Southwest United States

Imperial, California
Sedona, Arizona
Linuxkidd's AstroShed (Mayhill, New Mexico)