The Climate Community – Warmth, humidity and the potential for thunderstorms rises in Ontario

Tuesday, June 14th 2022, 8:56 pm – The danger for storms and humidity will climb in southern Ontario this week, with some locations presumably seeing humidex values ​​within the mid-40s on Thursday.

Southern Ontario’s reprieve from the warmth and thunderstorm potential will come to an finish. Some areas within the southwest may see storms, presumably robust, too, Tuesday in a single day forward of the returning warmth and humidity for Wednesday and Thursday. Wednesday shall be a increase or bust scenario on the thunderstorms, extremely depending on many components coming collectively. Thursday will function the same warmth and storm setup, with humidex values ​​climbing into the 40s in some areas. For extra on the incoming storm threat and the return of the warmth, learn on.

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As the warmth makes its approach again into southern Ontario, so, too, does the prospect for thunderstorms.

There’s the prospect elements of southwestern Ontario could possibly be woken up by Mom Nature’s alarm clock in a single day Tuesday into the pre-dawn hours Wednesday morning.


There’s a threat for thunderstorms to develop by the Tuesday in a single day hours from the Lake Huron shores after which head south to the Lake Erie shores.

Some storms may develop and turn out to be a bit stronger with the principle threats being hail and robust wind gusts.

On Wednesday, there’s one other threat for thunderstorms. Nonetheless, it is a bit of a conditional risk that’ll depart most with out seeing storms or rain.


Storms have the prospect to develop alongside the lake breeze close to Lake Huron and journey east. These storms may turn out to be very robust, producing massive hail and robust wind gusts. The hail may attain as much as golf ball-size.

It’s a very difficult forecast so there’s additionally the prospect that no storms may develop, as properly, leaving everybody within the area with sizzling, humid and sunny circumstances.

Temperatures will heat as much as the mid- and higher 20s for many of southern Ontario Wednesday. Southwestern sections may even hit and surpass the 30-degree mark, with feels-like values ​​as excessive as 44 in Windsor. Widespread humidex values ​​into the low and mid-30s are anticipated elsewhere.


The danger for robust to extreme thunderstorms will resurface in southern and jap Ontario Thursday with localized torrential rain and the potential for damaging winds. Nonetheless, many of the day shall be rain-free and a few locations may miss out on the storms.

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Thursday shall be even hotter than Wednesday, with excessive temperatures starting from the higher 20s to the decrease 30s. Humidex values ​​will sit within the higher 30s to the decrease 40s. The timing of the storms can have a big affect on excessive temperatures.


Cooler circumstances, close to seasonal, comes again Friday — marking a beautiful day for southern Ontario, however showers and thunderstorms are attainable for jap areas. A “sunsational” weekend is forward for southern Ontario. Considerable sunshine, low humidity and nice temperatures, albeit just a few levels cooler than seasonal. It is going to function free climate for Father’s Day.

Past, a warming pattern is anticipated for early and mid-next week as the warmth wave over the US Midwest makes an attempt to unfold into the area. There’s uncertainty as to the place the boundary shall be between the tropical warmth and humidity versus the extra comfy circumstances.

Southwestern Ontario will possible have a pair days of extreme warmth with a humidex into the 40s. This sample favors a few MCSs (mesoscale convective programs) close to the nice and cozy entrance. Cooler climate is predicted to return late week and weekend.

Keep tuned to The Climate Community for all the newest on circumstances throughout Ontario.

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