Morning Briefing: Four things to know about Saturday
Saturday, August 2, 2014, 8:37 AM - Many provinces are seeing the first day of a long weekend on Saturday, and curious as to how the weather will hold up.
Here's a coast-to-coast roundup.
The east coast is looking at a warm and humid day.
"Newfoundland has a beautiful day ahead with mainly sunny conditions," Weather Network meteorologist Monica Vaswani said Saturday morning. "Meanwhile in Nova Scotia there is the risk for passing thundershowers throughout the day. In New Brunswick there is a risk for thunderstorms through the afternoon."
Overnight Saturday an area of low pressure will skim Nova Scotia, bringing rain beginning in the evening and continuing through the day Sunday.
"Showers and the odd thunderstorm could occur in Newfoundland tomorrow as well."
Strong thunderstorms rolled through southwestern Ontario and parts of the Greater Toronto Area Friday evening.
Along with torrential rains and frequent lightning, many communities reported pea-to-marble-sized hail.
"This is an interesting case which shows huge variations of rainfall amounts across the regions," Environment Canada said in a statement Saturday morning. "While areas near Lake Erie and Georgian Bay escaped with no rain at all, many locales extending from near Sarnia across Waterloo region to the northern parts of the Greater Toronto Area were soaked with 10 to 25 mm of rain, according to weather radar estimates."
The upper low that produced those storms remains over Ontario, but Vaswani says it's slowly heading eastward.
Lake breeze convergence could allow for some severe storms to develop Saturday in some areas.
"Tomorrow could be the nicest day of the long weekend in southern Ontario, with mostly fair conditions, although the slightest risk of a thunderstorm or shower is still possible."
In northwestern Ontario, meanwhile, a cold front sliding through will being thunderstorms throughout the day Saturday, with isolated severe storms possible.
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On Sunday, that front will slide into the Nickel Belt, bringing more storms with it.
"On Monday, the same front from the north will track through cottage country and eventually southern Ontario, bringing showers and possible thunderstorms," Vaswani says. "The timing of this front is still uncertain."
On the Prairies, more thunderstorms in store Saturday due to daytime heating, with the biggest chance for severe storms focussed on the foothills.
More of the same is in store on Sunday.
In Manitoba, meanwhile a trailing cold front could bring strong to severe thunderstorms along the international border Saturday afternoon.
Saskatchewan is in for a warm and pleasant Saturday, although storms may track into the region late in the day from Alberta.
On Sunday, Saskatchewan is at risk for widespread thunderstorms, some severe, while on Monday, more storms are possible in that province, along with Alberta and northern Manitoba.
Canada's Pacific province will be hot and mainly dry, with a risk of thunderstorms Saturday and Sunday in the Interior, with some isolated severe storms possible.
Those conditions are bad news for firefighters, still struggling against major wildfires.
Forest fire risk is high to extreme for many parts of the province, and on Monday, it will again be hot and dry across the province.
FEATURE VIDEO: Burlington Skyway closed for the weekend after dramatic collision.