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Brace for a drenching in southern Ontario

First significant rainfall in the region since September
First significant rainfall in the region since September

Andrea Stockton, staff writer

November 16, 2010 — A low pressure system moving into southern Ontario on Tuesday is set to bring up to 40 mm of rain to some areas.

Keep your umbrella handy!
Keep your umbrella handy!

Heavy rain, gusty winds and the potential for an isolated thunderstorm. That's what people in southern Ontario can expect throughout the day on Tuesday.

A low pressure system from the United States will sweep across the province, bringing soggy weather to most communities.

“The region will start feeling the effects on Tuesday afternoon,” says Brian Dillon, a meteorologist at The Weather Network. “The Greater Toronto Area will see between 30 and 40 mm of rain through Wednesday.”

Dillon adds that this will be a decent drenching especially since the area hasn't had a significant rainfall in about two months.

“September 16 was the last time the GTA had more than 25 mm of rain and it was back on July 23 when more than 30 mm of rain fell.”

Strong winds are expected with this incoming system as well. Many places will see sustained winds at 30 to 40 km/h, with gusts up to 60 km/h possible.

Enough snow in Thunder Bay for a family of snow people
Enough snow in Thunder Bay for a family of snow people

The good news is, the stormy conditions won't last long.

“The bulk of the rain will fall through the overnight hours on Tuesday and into Wednesday morning, but by Wednesday afternoon, the region will clear as the system moves east,” says Dillon.

While rain is the big story in the south, northern areas of the province having been dealing with a taste of winter. As much as 10 cm fell in places including Thunder Bay over the weekend.

To stay up-to-date on the current weather conditions, be sure to check your local forecast.

With files from Lyndsay Morrison

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