Active AlertsSchreiber, ON

Dense fog has developed near Lake Superior. Near zero visibility may persist through the night before improving late Wednesday morning.

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Travel will likely be hazardous 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 post reports on X using #ONStorm.

Be prepared for areas of near-zero visibility and allow extra time to reach your destination.