Fog Advisory Issued for Barrie, Collingwood, and Hillsdale
Environment Canada has issued a yellow fog advisory for Barrie, Collingwood, and Hillsdale, warning of near-zero visibility and hazardous travel conditions through Saturday morning.
Alert Details
Environment Canada has issued a yellow fog advisory for parts of Ontario. The alert was issued early Saturday morning due to atmospheric conditions conducive to the development of dense fog.
Affected Areas
The advisory specifically covers the following geographic regions:
- Barrie
- Collingwood
- Hillsdale
What You Should Do
Travel will likely be hazardous in some locations within the advisory area. Motorists are advised that visibility may be suddenly reduced at times, requiring extra caution on the roads. Residents should continue to monitor alerts and forecasts issued by Environment Canada. Severe weather reports can be sent via email to ONstorm@ec.gc.ca or posted on X using the hashtag #ONStorm.
Expected Conditions
Near zero visibility in fog is expected over some areas. These conditions are anticipated to impact travel and outdoor activities until the fog dissipates.
Timeline
The advisory is effective as of 3:08 AM on Saturday, March 21, 2026. Visibility is expected to improve through Saturday morning, though the alert remains officially in effect until 3:59 PM (15:59:05) on Saturday.
Source: ECCC Official Notice