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Dense fog expected again tonight into Thursday morning

Environment Canada warns visibility may be significantly reduced to near zero; fog expected to lift later in the morning
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Fog advisory in effect for:

  • Guelph - Erin - Southern Wellington County
  • Kitchener - Cambridge - Region of Waterloo
  • Mount Forest - Arthur - Northern Wellington County

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. If travelling, be prepared for areas of near-zero visibility. If visibility is reduced while driving, turn on your lights and maintain a safe following distance.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to or tweet reports using #ONStorm.