Fog remains dangerous on southern Ontario roads Tuesday morning

Fog advisories remain in place across southern Ontario through the early morning hours on Tuesday. Low to near-zero visibility in spots will make driving hazardous throughout the region.

Plan ahead for delays and take it slow if you have to travel Tuesday morning.

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Tuesday and beyond

A days-long stretch of foggy weather across southern Ontario continues early Tuesday morning as high humidity blankets the region.

Near-zero visibility can be worse than even the most severe blizzards, so extreme caution must be taken when out on the roads. Make sure to turn on your vehicle's fog lights and slow down when visibility is low.

The fog will then make way for some showers to develop in the afternoon on Tuesday. Southern Ontario will continue to see soggy weather as steadier rainfall moves across Lake Ontario on Wednesday.

Throughout the next couple of days, over 10-20 mm of rainfall is likely for most regions of southern Ontario, with locally high amounts in the Niagara region and around Lake Ontario.

Daytime highs will continue to be above average for much of the Greater Toronto Area (GTA) through to Thursday.

Keep checking back with The Weather Network for more forecast information and updates on your weather across southern Ontario.