Active AlertsHills Siding, ON

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.

Dense fog patches is expected to develop overnight. As a result, visibility could be reduced to near zero. The visibility will improve later this morning as the dense fog dissipates.

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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.