Active AlertsBorden, ON

Near zero visibility in fog continues.

Locally dense fog will dissipate this evening as a cold front tracks over southern Ontario. Extremely difficult driving conditions have been reported for some areas.

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Travel will likely be hazardous. Visibility will likely be suddenly reduced at times.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.

Widespread near zero visibility is possible. Adjust travel plans accordingly. If driving, turn on your lights, slow down and maintain a safe following distance.