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Brief warm up in southern Ontario

Time for the first day of school
Time for the first day of school

Lisa Varano, staff writer

September 6, 2010 — A warm front passing through southern Ontario overnight will make temperatures rise on Tuesday.

The fall leaves are appearing
The fall leaves are appearing

Students and teachers heading back to the classroom on Tuesday could get sunshine in the morning for the first day of school. But as soon as the humidity returns to southern Ontario, it will be pushed out by stormy weather.

“The warmth will not last long as a cold front is quickly approaching from the west. We'll have isolated severe thunderstorms on Tuesday afternoon with wind gusts near 70 km/h within the area of the cold front,” says Brian Dillon, a meteorologist at The Weather Network.

It won't be a good day to be out on the water. Neither was Saturday, when strong wind gusts made the water choppy on Lake Ontario and prompted the cancellation of the Canadian International Air Show.

The sun is setting on summer
The sun is setting on summer

But the air show took to the sky on Sunday and Labour Day Monday, the last days of the Canadian National Exhibition in Toronto.

While Toronto marks the end of summer with the CNE, people in London, Ontario, have created a Labour Day tradition for southwestern Ontario -- the Pooch Plunge.

Temperatures across southern Ontario were back to seasonal on Monday after an cool weekend.

Although southern Ontario will warm up further on Tuesday, temperatures will drop soon after.

“As the cold front slides through, strong northwesterly winds will follow, bringing cooler air for the rest of the week, with temperatures near 21, which is near-normal,” says Dillon.

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