Northwestern Ontario faces a chance of sneaky, severe thunderstorms

Just days after two communities near Hudson Bay scored Canada's hottest temperatures twice last week, a locale in Ontario has the potential to do so this week.

Moosonee, Ont., could be the provincial and even national hot spot with temperatures expected to reach the lower 30s.

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Meanwhile, northwestern sections of Ontario will face a risk of thunderstorms on Tuesday, ahead of a cold front swinging through.

Some of the storms could become severe, with threats of large hail, heavy downpours and strong wind gusts.

People camping in the region should be weather-aware and have backup plans to remain indoors.

Tuesday: Stateside storms could sneak into northwestern Ontario

Storms will develop late Tuesday afternoon but will diminish by midnight.

The greatest risk for severe weather will occur in the late afternoon, extending into the early evening.

Initially, as the storms first push in, a hail threat will be the primary hazard, but will transition to a wind risk as the afternoon wears on.

However, there is some uncertainty in the northward extent of instability and how far east the organized storm activity will reach.

Hot and humid conditions are expected Wednesday for the eastern half of the region, with temperatures reaching the upper 20s and lower 30s. Temperatures will remain very warm through Thursday for the Moosonee area, but most of the region will be much cooler.

The region will see an extended stretch of unsettled weather, with showers and thunderstorms with the cold front and then several days with occasional showers, and rain-free periods. through the weekend and into early next week, especially across eastern areas.

Temperatures should trend closer to seasonal later next week, but near-seasonal or cooler-than-seasonal values are expected to dominate through Father’s Day weekend.

Stay tuned to The Weather Network for the latest forecast updates for northwestern Ontario.