Yellow Fog Advisory for Ft. Simpson Region Including Jean Marie River
This alert is no longer in effect.
ECCC issued it on September 17, 2026, 3 days ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this ECCC weather alert directly from ECCC's official public data feed. See our methodology for full source attribution and refresh cadence.
A yellow advisory for fog is in effect with near-zero visibility over the Ft. Simpson Region including Jean Marie River.
Read this weather record in 30 seconds
- Record type
- Fog Advisory
- Affected area
- Ft. Simpson Region, Northwest Territories
- Issued
- September 17, 2026
- Issuing authority
- ECCC
The warning type, named area, and issue time define this record. Confirm all three against the original agency notice before treating it as current.
Record status: historical. It was issued 3 days ago; use the issuing agency's live warning service for current conditions in Ft. Simpson Region, Northwest Territories.
Alert Details
Yellow advisory - fog - in effect, issued by Environment Canada. Effective from 2026-09-17T16:30:13-00:00 until 2026-09-17T19:30:13-00:00.
Affected Areas
Ft. Simpson Region including Jean Marie River.
What You Should Do
Travel will likely be hazardous in some locations. Continue to monitor alerts and forecasts issued by Environment Canada. Report severe weather by emailing NTstorm@ec.gc.ca, calling 1-800-239-0484, or posting on social media using #NTStorm.
Expected Conditions
Near-zero visibility in fog continues over some areas.
Timeline
The advisory is effective immediately and expires at 2026-09-17T19:30:13-00:00. Fog will dissipate later this morning.
Original source: ECCC Official Notice ↗
Related Weather Alerts
All Weather Alerts →Similar notices nationwide by length or severity timing 8
Two cross-category peer sets, both computed from Areazine's own archive: notices with a similar body length, and notices near the same severity and agency date. These are drawn from other categories, not the same-feed Related list above.
Similar body length
Nearest notices by article body length (696 characters here).
Similar severity timing
Same severity (medium) notices issued closest in time to September 17, 2026.
Frequently Asked Questions
Common questions about this ECCC weather alert.