If visibility is reduced while driving, slow down, watch for tail lights ahead and be prepared to stop.
Near zero visibility in fog is expected or occurring.
Areas of dense fog have developed. Conditions will improve throughout the morning.
Travel is expected to be hazardous due to reduced visibility.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or tweet reports using #ONStorm.