Wildfire near Unorganized Thunder Bay District (Jul 13 #4)

Active · 10,990 ha (27,157 acres) · started 2026-07-13 · updated 2026-07-19

True color Fire (SWIR)

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True color (left): as the eye sees it.
Infrared / SWIR (right): sees through smoke.

🟢 green = vegetation
🟤 red/brown = burned
🟠 orange = active fire

Imagery: Sentinel-2 (Copernicus). Drag to compare smoke vs. infrared.

Heat detections: NASA FIRMS (last 48h).

Expanding at an average rate of approximately 1,832 hectares per day, the wildfire near the Unorganized Thunder Bay District in Ontario has consumed 10,990 hectares since it ignited on July 13. Now in its sixth day of activity, the fire continues to burn as an active incident within the region.

Satellite monitoring over the past 48 hours has identified three distinct heat detections, indicating the current spread of the fire front across the landscape.