Auroras (northern lights) in Thunder bay — Mar 21, 2026
Probability of northern lights in Thunder bay
Information as of 2026-03-21 23:48 (end of day) local time in Thunder bay
12 %
Thunder bay
Aurora intensity index
Auroral intensity index and the theoretically possible latitude of observations for nighttime in the Western Hemisphere as of 2026-03-21 23:48 (end of day) local time
Northern lights (auroras) over North America
Changes from 2026-03-21 to 2026-03-22 UTC
Northern lights (auroras) in the northern hemisphere
Changes from 2026-03-21 to 2026-03-22 UTC
Probability of northern lights (auroras) in cities of Canada
Information as of 2026-03-21 23:48 (end of day) local time in Thunder bay
2 %
Ottawa
2 %
Toronto
3 %
Montreal
3 %
Vancouver
10 %
Calgary
21 %
Edmonton
1 %
Hamilton (Canada)
4 %
Quebec
18 %
Winnipeg
1 %
Kitchener
19 %
Saskatoon
14 %
Red deer
31 %
Salluit
44 %
Arviat
50 %
Yellowknife
22 %
Whitehorse
50 %
Thompson
11 %
Prince george
30 %
Rankin Inlet
23 %
Iqaluit
33 %
Inuvik
5 %
Cambridge Bay
Polar auroras over the past 2 days
Changes in the auroral intensity index from 2026-03-20 to 2026-03-21 local time
