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Low pressure system to bring heavy rain to parts of Ontario, with humidex values close to 40 for others


Digital writers
theweathernetwork.com

Monday, September 9, 2013, 9:53 AM -

If you're living in Ontario, you may want to hold-off on packing your summer clothes away -- at least for the next day or two. 

Uncomfortable heat and humidity will revisit parts of the province early this week, but with a catch: heavy rain will accompany the summer-like temps in some areas. 

"A low-pressure system that brought scattered thunderstorms to Alberta Sunday evening will be pushing eastward through Monday," says Brian Dillon, a meteorologist at The Weather Network. "Some areas in northwestern Ontario could see up to 50 mm of rain with locally higher amounts possible in thunderstorms."

Over southern and eastern Ontario, isolated non-severe thunderstorms with brief downpours are possible Monday night into Tuesday.

"Some of these may approach severe limits in the Nickel Belt and Nipissing regions spreading into Eastern Ontario near the Ottawa Valley with very heavy downpours, strong winds and frequent lightning being the main issues," Environment Canada warns in a special weather statement.

But for most people, the bigger story will be the heat, humidity and July-like temperatures this system brings.

"Parts of southern Ontario, including Toronto, will feel like 40 on Tuesday," Dillon adds. 

Quite the contrast from the cool and comfortable conditions the region has felt so far this month. 

Be sure to visit our Alerts page for watch and warning updates.

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