Northern lights in the Great Lakes region are possible but uncommon: they need a Kp of 5 or more to reach this far south. AuroraMe tracks 29 locations across the Great Lakes region; the lowest threshold, Kp 5, is at International Falls.
Cities Covered
Monitoring locations across Great Lakes
Magnetic Latitude Range
Prime aurora viewing latitudes
Required Kp Index
Minimum activity for visibility
Kp Requirements by Location
Aurora Status by City
Sault Ste. Marie
Favorable position at 55.6° magnetic latitude for aurora watching. Geomagnetic storms bring vivid displays, and dark skies with clear weather maximize visibility.
Duluth
Favorable position at 55.5° magnetic latitude for aurora watching. KP 4+ storms bring vivid displays. Dark skies and clear weather maximize visibility.
Minneapolis
Located at 53.6° MLAT with decent aurora opportunities. Geomagnetic storms with KP 5+ can produce visible displays. Monitor forecasts for storm alerts.
Green Bay
Aurora possible at 53.5° magnetic latitude during active periods. KP 5+ required for visibility. Strong storms can bring impressive displays.
Madison
Moderate aurora potential at 52.0° magnetic latitude. Northern lights appear during stronger storms when KP reaches 5+. Best chances in winter months.
Milwaukee
Moderate position at 52.0° magnetic latitude. Geomagnetic storms can push the auroral oval far enough south to show aurora low on the northern horizon here.
Detroit
Located at 51.5° MLAT with decent aurora opportunities. Geomagnetic storms with KP 6+ can produce visible displays. Monitor forecasts for storm alerts.
Chicago
Located at 50.9° MLAT with decent aurora opportunities. Geomagnetic storms with KP 6+ can produce visible displays. Monitor forecasts for storm alerts.
Cleveland
Aurora reaches Cleveland during strong geomagnetic storms at 50.7° magnetic latitude. Watch the northern horizon from a dark spot away from city lights.
Columbus
Aurora reaches Columbus during strong geomagnetic storms at 49.1° magnetic latitude. Watch the northern horizon from a dark spot away from city lights.
Indianapolis
Aurora reaches Indianapolis during strong geomagnetic storms at 48.8° magnetic latitude. Watch the northern horizon from a dark spot away from city lights.
International Falls
Strong northern position at 57.2° magnetic latitude. Aurora reaches International Falls regularly during active periods, so darkness and cloud cover usually decide the night.
Showing top 12 cities by current aurora activity and magnetic latitude. Great Lakes has 29 total aurora viewing locations.
Best Viewing Season in Great Lakes
International Falls averages 5.0 clear nights a year with Kp at its threshold — aurora here is an event, not a season. Figures below are for International Falls, the best-placed of the 29 locations we track in Great Lakes. They describe a typical year built from the 1996-2026 planetary Kp record and the 2001-2020 cloud normal — not a forecast. Each city page shows tonight's live cloud, moon and darkness instead.
Geographic Advantages
Peak Aurora Months
Track with AuroraMe
Frequently Asked Questions
Can you see the northern lights in Great Lakes?
Yes, Great Lakes region offers aurora viewing opportunities. Cities like International Falls (MLAT 57.2°) can see aurora at Kp 5.0+, while southern locations need Kp 8.0+. Best viewing is September–April during dark, clear nights.
Where are the darkest skies in Great Lakes?
Check our city pages for specific dark sky recommendations near each location.