Canada's mini summer forecast reveals where you'll feel the 'heat dome' and warmest weather
There will be a "seasonal flip" in June. ☀️
People near a beach in Vancouver. Right: People at a Toronto park.
A new summer forecast revealed that a "heat dome" could surge into parts of the country.
So, Canada's weather during the season is set to include hot temperatures, but some places won't be as warm.
The Weather Network just put out an early look at the 2025 summer forecast since "spring has been a letdown" in parts of Canada.
A "seasonal flip" is expected as spring turns to summer in June, with above seasonal temperatures across the country.
Since there's no dominant global pattern, the sun is the driver of summer weather, and that can mean "widespread heat."
The Weather Network said "a hot, stagnant" weather pattern — also known as a "heat dome" — could settle over the central U.S. and then surge into southern parts of Canada.
With the heat dome, air sinks and warms. Then, heat builds beneath the dome.
High pressure in the heat dome blocks storms, which means there could be a storm track along the northern edge from B.C. to Ontario.
In B.C., this could be the fifth summer in a row with above-seasonal temperatures.
It's possible that a cooler onshore air flow could ease the heat, or it could be "another hot and drier-than-normal season."
The heat dome could lead to a dry summer in Alberta, Saskatchewan and Manitoba if storms don't bring enough rain in May and June.
Ontario and Quebec won't be at the core of the season's heat this summer, but there will still be warmth.
According to The Weather Network, southern parts of Ontario and Quebec are expected to be near normal, but high humidity and warm nights could make it warmer than normal.
In New Brunswick, P.E.I., Nova Scotia and Newfoundland, it could be a quiet summer with normal rainfall and temperatures.
But there's "an increased risk" of late-season tropical storms.
The Weather Network said to expect heat over the centre of North America and uncertainty on the edges.
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