Morning Briefing: Four things to know about Canada's weather this week
Monday, August 11, 2014, 7:50 AM - Some parts of Canada are emerging from a rainy weekend, while others are gearing up for a rainy week.
Here's a look at what to expect across the country.
Heavy rain and lightning was associated with an upper level low in the Maritimes on Saturday, while Newfoundland saw a few lightning strikes on Sunday. A wrap of rain bands will linger for a couple of days around the island, with St. John's forecast to receive up to 20 mm.
"The long range looks unsettled, with a system moving in Wednesday evening and lingering through Thursday and Friday," Weather network meteorologist Tyler Hamilton said early Monday morning.
A system moving in from the Ohio Valley to southern Ontario will be one to watch this week.
"Models are showing between 30-60 mm of rain for parts of Ontario," Hamilton says.
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A special weather statement was issued by Environment Canada covering almost all of southern Ontario.
Thunderstorm risk builds over the eastern shores of Lake Huron by the early afternoon Monday, with widespread rain moving into the Greater Toronto Area by midnight.
The rain will begin to ease by Tuesday afternoon, but the thunderstorm risk will continue
Hamilton says the GTA should see clearing possibly by Wednesday evening.
Some isolated thunderstorms popped up in central Saskatchewan on Sunday afternoon, and on Monday, the risk for non-severe thunderstorms will be focused on northern Manitoba.
On Tuesday, non-severe thunderstorm risk could develop for the Alberta foothills. Any storms that do pop up will likely be non-severe, but there will be some chance of isolated severe storms in some parts of the region.
Thunderstorm risk also for most of B.C. by Tuesday, while for the South Coast, Tuesday and Wednesday should see the return of showers.
Until then, southern B.C. will continue in a short-lived heat wave, with notable humidity making it feel warmer than 30 in some cities, including Vancouver.
MUST-SEE VIDEO: Watch the best extreme lightning footage sent in by our viewers, below.