Occurred Nov 9, 2026, 9:30:54 PM UTC

First published Nov 10, 2026, 12:44:15 AM UTC · Last updated Nov 10, 2026, 12:44:15 AM UTC

Fog (advisory) - Ft. Simpson Region including Jean Marie River

Reported by Environment Canada Weather Alerts

A fog advisory reports dense fog continuing in the Ft. Simpson Region, including Jean Marie River, with travel likely hazardous in some locations. The source says fog is expected to persist until late Tuesday morning and visibility may suddenly decrease.

At a glance

Affected location: Ft. Simpson Region including Jean Marie River

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Why it matters

The advisory warns of hazardous travel and suddenly reduced visibility in the affected region.

Location

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Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 6/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 3/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 2/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 3/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Urgency: 5/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Primary official sources

Environment Canada Weather Alerts Fog (advisory) - Ft. Simpson Region including Jean Marie River

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Related developments reported in the last 30 days. These are not necessarily ongoing incidents.

Nearby · within 200 km
Air quality - Ft. Simpson Region including Jean Marie RiverNov 2, 2026, 9:39 PM UTC
A yellow warning reports wildfire smoke is causing poor air quality and reduced visibility in the Ft. Simpson Region, including Jean Marie River. It advises limiting time outdoors and considering rescheduling outdoor activities.
Nearby · within 200 km
Heavy satellite-observed smoke area centered at 61.393°N, 122.865°W — Near Fort Liard, NT, CanadaOct 21, 2026, 8:00 PM UTC
NOAA HMS classified a satellite-observed smoke area near Fort Liard, Northwest Territories, as heavy density, based on GOES-EAST observations from 2026-10-21 20:00 to 23:30 UTC. The source says this is not a ground-level air-quality measurement or health alert.
Nearby · within 200 km
Heavy satellite-observed smoke area centered at 61.653°N, 121.009°W — Near Fort Simpson, NT, CanadaOct 21, 2026, 8:00 PM UTC
NOAA HMS classified a satellite-observed smoke area near Fort Simpson, Northwest Territories, as heavy density, based on GOES-EAST observations from 20:00 to 23:30 UTC on October 21, 2026. The source identifies a representative centroid and states this is not a ground-level air-quality measurement or health alert.
Nearby · within 200 km
Medium satellite-observed smoke area centered at 61.586°N, 121.028°W — Near Fort Simpson, NT, CanadaOct 21, 2026, 8:00 PM UTC
A medium-density smoke area was observed by satellite near Fort Simpson, Northwest Territories, on October 21, 2026. The source says this is an observed smoke extent, not a ground-level air-quality measurement or health alert.
Nearby · within 200 km
Medium satellite-observed smoke area centered at 61.477°N, 122.625°W — Near Fort Simpson, NT, CanadaOct 21, 2026, 5:00 PM UTC
2 reports describing the same event are grouped here. Expand the group to review every source report.
Nearby · within 200 km
Medium satellite-observed smoke area centered at 61.670°N, 121.095°W — Near Fort Simpson, NT, CanadaOct 21, 2026, 5:00 PM UTC
2 reports describing the same event are grouped here. Expand the group to review every source report.

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