Auroras (northern lights) in Thunder bay

Jan 21, 2026 01:47 Thunder bay

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Probability of northern lights in Thunder bay

Forecast for 2026-01-21 02:12 local time in Thunder bay

23 % Thunder bay

Auroral intensity index and theoretically possible latitude of observations for nighttime in the Western Hemisphere

Forecast for 2026-01-21 02:12 local time in Thunder bay

[ Click on the image to see changes over the past 24 hours ]

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Forecast for 2026-01-21 02:12 local time in Thunder bay

[ Click on the image to see changes over the past 24 hours ]

API: JSON | TXT | HTML

high resolution

Forecast for 2026-01-21 02:12 local time in Thunder bay

3 % Ottawa

2 % Toronto

4 % Montreal

11 % Vancouver

38 % Calgary

90 % Edmonton

1 % Hamilton (Canada)

6 % Quebec

49 % Winnipeg

2 % Kitchener

70 % Saskatoon

56 % Red deer

73 % Salluit

95 % Arviat

100 % Yellowknife

100 % Whitehorse

100 % Thompson

58 % Prince george

74 % Rankin Inlet

58 % Iqaluit

95 % Inuvik

32 % Cambridge Bay

Changes and hourly forecast of the auroral intensity index from 2026-01-20 to 2026-01-21

API: JSON | TXT