Dual storms to drench Quebec in heavy tropical rains this weekend
Two systems approaching Quebec from either end will combine into one soggy weekend across the province
We’re ending a long dry spell in style across Quebec as two major storms move into the region in time for the long weekend.
Gone are the days of record-breaking temperatures and seemingly endless dry conditions, courtesy of a classic fall storm pushing in from the west and the remnants of a long-lived tropical storm arriving from the east.
Some communities could see localized flooding this weekend as a result of the persistent heavy rainfall.
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The first rainy system arrives on Friday
Timing: Friday and Saturday
Weather: A potent autumn storm pushing across Canada will finally reach western Quebec early in the day Friday, gradually pushing east until the precipitation arrives in Montreal later in the day.
Rain across Quebec will grow steadier into the overnight hours and early Saturday morning. This storm won’t be in any hurry to move along once it reaches the province.
We’ll see the low-pressure system mosey over central Quebec through the day Saturday, leading to a raw, rain-soaked day for most communities as the system sits over Montreal and Trois Rivieres.
An ex-tropical storm arrives by Sunday
Timing: Sunday
Weather: Fall will collide with summer in style over Quebec on Sunday as the remnants of Tropical Storm Philippe siphon into the region.
Our existing storm will absorb the remnants of the long-lived tropical system, infusing ongoing rainfall with a slug of moisture that’ll renew the precipitation for many areas.
Forecasters expect heavy rainfall to spread over Trois Rivieres and Quebec City overnight Saturday and continue into the day Sunday. Rain will engulf the Gaspé Peninsula on Sunday, accompanied by winds of 60-80 km/h as the tropical remnants swing through.
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Rain will finally ease during the overnight hours Sunday, but some unsettled conditions will linger into Monday while leaving colder air in its wake.
All told, widespread rainfall totals of 60-80+ mm are expected for most of the region. Some communities could face a localized flood risk as a result of the heavy rain.
Given the risk for localized flooding, monitor conditions and alerts through the weekend if you plan to drive during the storm. Avoid driving across water-covered roadways. It’s impossible to tell how deep the water is until it’s too late, and the roadway itself sometimes crumbles beneath the floodwaters.
Stay with The Weather Network all weekend for the latest on conditions across Quebec.