Active AlertsWatcomb, ON

Fog Advisory
Issued at Thu 3:10 AM Apr. 18
Issued by: Environment and Climate Change Canada
Recommended Action

If travelling, be prepared for areas of near-zero visibility.


Near zero visibility in fog is expected or occurring.

Near zero visibility in dense fog.

Early this morning.

Locally dense fog has developed in some locales, and it is expected to persist through early this morning before dissipating.


Visibility may be significantly and suddenly reduced to near zero. Travel is expected to be hazardous due to reduced visibility in some locations.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to or tweet reports using #ONStorm.