Rain and a severe storm risk on tap for Ontario on Sunday

·2 min read
Rain and a severe storm risk on tap for Ontario on Sunday
Rain and a severe storm risk on tap for Ontario on Sunday

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Saturday’s scattered thunderstorms were a prelude to a gloomier Sunday on tap for much of southern and eastern Ontario. Widespread rainfall with embedded thunderstorms will move into the region for the day on Sunday. Some of the storms could even reach severe limits in eastern sections. What you need to know about Sunday’s threat and the week ahead, below.

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SUNDAY: WIDESPREAD RAIN, SOME SEVERE STORMS POSSIBLE

An upper-level low swinging over northern portions of Ontario and Quebec will lead to a wet Sunday for much of Central Canada. Soggy conditions are possible early Sunday morning for the Golden Horseshoe.

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Several rounds of dreary rain are likely to sweep over the eastern Great Lakes during the day on Sunday.

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ONRisk

There is also the risk of embedded thunderstorms, with a widespread threat from southwestern Ontaro to central and eastern Quebec.

A few of the storms in eastern Ontario and southern Quebec could approach severe limits, with small hail and heavy rain the main threat with the strongest embedded storms.

We can expect an additional 5-10 mm of rain across southern and eastern Ontario, with higher totals possible farther into Quebec. Locally heavier totals are possible in thunderstorms.

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ONRain

Southern Ontario will also get a decent break from the rain late Sunday evening as drier conditions move in.

High temperatures will come in slightly below seasonal as a result of the clouds and rain, but below-seasonal readings in the middle of June are still relatively comfortable.

NEXT WEEK: A WARMING TREND FOR CENTRAL CANADA

A building heat wave south of the border will begin to influence our weather next week.

Several days of above-seasonal temperatures are likely next week across southern Ontario and Quebec, with daytime highs in the upper 20s to near 30 possible in some areas. However, easterly winds off Lake Ontario would likely keep the Greater Toronto Area cooler for the duration. The warmth could also fuel a risk for thunderstorms at times next week.

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ONMonday

We’re watching the timing of a cold front toward the end of next week that’ll help push back the heat and bring down temperatures heading into next weekend.

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Thumbnail courtesy of Michael Streiter, taken in Goderich, Ont.

Stay tuned to The Weather Network for all the latest on conditions across Ontario.

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