Auroras (northern lights) in Thunder bay
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Probability of northern lights in Thunder bay
Forecast for 2025-12-18 23:56 local time in Thunder bay
3 %
Thunder bay
Aurora intensity index
Auroral intensity index and theoretically possible latitude of observations for nighttime in the Western Hemisphere
Northern lights (auroras) over North America
Forecast for 2025-12-18 23:56 local time in Thunder bay
[ Click on the image to see changes over the past 24 hours ]
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Northern lights (auroras) in the northern hemisphere
Forecast for 2025-12-18 23:56 local time in Thunder bay
[ Click on the image to see changes over the past 24 hours ]
| API: JSON | TXT | HTML | high resolution |
Probability of northern lights (auroras) in cities of Canada
Forecast for 2025-12-18 23:56 local time in Thunder bay
0 %
Ottawa
0 %
Toronto
1 %
Montreal
0 %
Vancouver
2 %
Calgary
7 %
Edmonton
0 %
Hamilton (Canada)
1 %
Quebec
6 %
Winnipeg
0 %
Kitchener
6 %
Saskatoon
4 %
Red deer
24 %
Salluit
29 %
Arviat
23 %
Yellowknife
8 %
Whitehorse
25 %
Thompson
3 %
Prince george
23 %
Rankin Inlet
18 %
Iqaluit
14 %
Inuvik
5 %
Cambridge Bay
Polar auroras over the past 2 days
Changes and hourly forecast of the auroral intensity index from 2025-12-17 to 2025-12-18
