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Heat humidity: next thunderstorms could:
Published on July 12, 2025 at 11:19 a.m.
The conditions are met to see the formation of violent thunderstorms in certain regions of Quebec this weekend. Nevertheless, Forecast.
In short:
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Hot and humid all weekend in southern Quebec.
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Risk of violent thunderstorms to Témiscaming. Consequently, and in eastern Ontario on Saturday
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Possibility of tornadoes in western Quebec
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Risk of violent thunderstorms in the St. For example, Lawrence Valley Sunday afternoon
Fuel for thunderstorms – Heat humidity: next thunderstorms could
Heat and humidity: Two elements that feed the thunderstorm cells with energy. Meanwhile, We could have tangible proof from Saturday in western Quebec. Nevertheless, We will have maximums that will approach the 30 ° Saturday from heat humidity: next thunderstorms could Gatineau to Chibougamau via Val-d’Or. Similarly, The feeling could reach 40 in Gatineau and 35 in Abitibi-Témiscamingue.
Thunderstorms should mark the end of the day in these sectors. and the presence of humidity and high heat could set fire to the powder. At the end of the day on Saturday, violent thunderstorms are possible in the Pontiac, Hautes-Laurentides and Abitibi regions. Violent thunderstorms are likely in Témiscamingue and in eastern Ontario.
Possibility of tornadoes – Heat humidity: next thunderstorms could
We are talking for these sectors of strong gusts, very intense rain in a very short time, and possibility of big harsh on Saturday afternoon and in the early evening. Supercellules could form, it means risks of rotation, therefore of tornadoes. The most risky area is centered around the heat humidity: next thunderstorms could city of Témiscaming. but stretches north to Ville-Marie and south to Mattawa. In Ontario, the sectors around Sudbury and North Bay are to be monitored.
Everyone has their turn
On Sunday, thunderstorms will migrate to the east. The entire St. Lawrence Valley, from Kingston to Saguenay will be monitored. The air will be even more humid than Saturday. With maximums of 30 ° in Montreal. and 31 ° in Saguenay, we speak of feelings that could reach 40 in Montreal, Saguenay, Gatineau and Quebec. Again, an energy source that could unleash violent thunderstorms in southern Quebec on Sunday. The situation will be monitored very closely.
With the collaboration of Patrick Duplessis, meteorologist.
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