SUNDAY: HEAT COMES WITH STORM RISK BEFORE TEMPERATURES DROP
Heat warnings remain in effect through the day on Sunday for the city of Toronto, and the Halton-Peel and Windsor-Essex-Chatham-Kent regions as hot temperatures and high humidity remain. Daytime highs will climb into the low 30s for most of the area.
It will be the last day for the hot, muggy conditions as a cold front drifting south across the province will bring the opportunity for scattered showers and thunderstorms through the latter half of the day.
However, Sunday won’t be a washout by any means, and not everyone will see a storm, but the front plowing into the muggy air will create a risk for pop-up storms here and there.
The threat for thunderstorms will begin to rise around noon for parts of southern Ontario, continuing into the evening until the front pushes through. Any storms that do initiate could produce locally heavy rainfall and strong wind gusts.
After dinner hour and into the late evening, much of cottage country and eastern Ontario will see thunderstorms and heavy showers.
While storm activity will be scattered across southern Ontario, we’ll see more widespread activity across cottage country and in the northern sections. The greatest chance for organized severe weather will fall across far northern Ontario towards James Bay, extending into northwestern Quebec.
TIPS FOR HEADING OUTSIDE IN THE HEAT
LOOK AHEAD: REPRIEVE FROM HEAT AS TEMPERATURES COOL OFF, BUT COULD RETURN FOR CANADA DAY
Temperatures and humidity levels will fall behind the front, leading to a much more comfortable Monday for southern Ontario. As well, winds out of the northwest will pick up across the region, gusting between 40-60 km/h in the afternoon and early evening.
Cooler weather will linger through early this week, with temperatures coming in several degrees below seasonal. Daytime highs will fall into the low 20s to start the last week of June.
Temperatures will then trend closer to near seasonal for the middle of this week with a risk for thunderstorms.
Stay tuned to The Weather Network for the latest forecast updates for Ontario and Quebec.
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