Storm threat returns to Ontario following a tornadic Saturday
On the heels of Saturday's stormy weather in southern and eastern Ontario, which spawned at least two tornado reports, we're seeing yet another storm threat build through Monday for much of the province.
A stormy Saturday ended with at least two reports of tornadoes touching down in southern Ontario, near Woodstock and Lindsay. Heading into Monday, forecasters are watching the risk for stormy weather to fire back up across southern and eastern regions of the province.
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A warm front is expected to lift across southern and eastern Ontario early Monday--part of a low-pressure system forecast to move into southern Quebec by the afternoon. However, it's the associated cold front trailing the warm front that will trigger isolated thunderstorms and rain through the day.
Some showers and storms could align with the morning and evening commutes, so be sure to keep an eye on the latest forecast updates and radar.
Showery Monday preludes evening storm risk
Morning showers are forecast ahead of the cold front for southwestern Ontario and the Greater Toronto Area (GTA). Some folks may hear some thunder with the rain, especially in the southwest, but the risk for more organized storm activity will be in the evening.
Forecasters are watching the potential for storms to organize along a lake-breeze boundary coming from Lake Simcoe toward Pickering and Oshawa, as well as from Lake Huron toward the Goderich area.
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Meanwhile, in eastern Ontario, we could see isolated storms begin to bubble up through the early to mid-afternoon hours. Like in the south, though, the early evening is when we're more likely to see organized storms develop and move across the Ontario-Quebec border.
Some of the storms on Monday evening may reach severe criteria, with strong winds, downpours, and large hail being the main threats to watch out for, especially for eastern Ontario where forecasters are looking at an increased risk of hail.
Looking ahead to the rest of the week
Looking at the rest of the week ahead, Tuesday is forecast to stay fairly quiet before another storm risk begins to build on Wednesday across southwestern Ontario.
Temperatures will also begin to dip toward more seasonal levels, and we may finally see a break in the humidity.
Some folks across southern Ontario may also find it a bit hazy outside during the week, thanks to wildfire smoke. Luckily, the bulk of the smoke is forecast to stay aloft in the atmosphere, which means the air quality at the surface level shouldn't be too degraded.
Stay with The Weather Network for the latest updates on your weather across Ontario.