Locally dense fog tonight.
Areas of locally dense fog is expected again tonight into Thursday morning.
The fog is expected to lift later in the morning.
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 ONstorm@ec.gc.ca or tweet reports using #ONStorm.