Northern Lights Forecast

Aurora Forecast Tonight: Thunder Bay, Ontario, Canada

Live visibility odds for Thunder Bay, combining the current geomagnetic Kp index with real local cloud cover, not just one or the other.

Tonight's chance of seeing aurora
1%
Unlikely
LocationThunder Bay, Ontario, Canada
Geomagnetic Forecast · NOAA / NASA
Magnetic latitude57.2°
Confirmed Kp right nowKp 0.7
Weather Forecast · Open-Meteo
Clear-sky estimate55% clear skies
For entertainment purposes only, not a guarantee of visibility. Don't plan travel or spending around this number alone.

About aurora viewing in Thunder Bay

Thunder Bay sits on Lake Superior's north shore, directly across the lake from Michigan's Upper Peninsula, with the same dark-sky, low-light-pollution advantages as its American counterparts.

Where locals actually go

Sleeping Giant Provincial Park, just outside the city, offers dramatic lakeside cliffs alongside genuinely dark sky.

Best time of year

Clear winter nights along the north shore give Thunder Bay some of the best viewing odds in Ontario.

Will I see the aurora in Thunder Bay tonight?

Right now, Thunder Bay has a 1% chance based on tonight's real conditions: Kp 0.7 and 55% clear skies. Unlikely. This updates live, so check back closer to dark for the most accurate read, especially if the sky is currently cloudy where you are.

Save Thunder Bay to Your Account →

A good Kp forecast isn't the whole story. See what else actually determines whether you'll see it →

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