Auroras (northern lights) in Thunder bay — Aug 11, 2025
Probability of northern lights in Thunder bay
Information as of 2025-08-11 23:53 (end of day) local time in Thunder bay
7 %
Thunder bay
Aurora intensity index
Auroral intensity index and the theoretically possible latitude of observations for nighttime in the Western Hemisphere as of 2025-08-11 23:53 (end of day) local time
Northern lights (auroras) over North America
Changes from 2025-08-11 to 2025-08-12 UTC
Northern lights (auroras) in the northern hemisphere
Changes from 2025-08-11 to 2025-08-12 UTC
Probability of northern lights (auroras) in cities of Canada
Information as of 2025-08-11 23:53 (end of day) local time in Thunder bay
2 %
Ottawa
1 %
Toronto
2 %
Montreal
1 %
Vancouver
5 %
Calgary
12 %
Edmonton
1 %
Hamilton (Canada)
3 %
Quebec
10 %
Winnipeg
1 %
Kitchener
11 %
Saskatoon
7 %
Red deer
25 %
Salluit
36 %
Arviat
33 %
Yellowknife
12 %
Whitehorse
32 %
Thompson
6 %
Prince george
27 %
Rankin Inlet
17 %
Iqaluit
25 %
Inuvik
6 %
Cambridge Bay
Polar auroras over the past 2 days
Changes in the auroral intensity index from 2025-08-10 to 2025-08-11 local time
