Conveyor belt of storms continues for Montreal

Twin storm systems will bring plenty of wet snow and rain to southern Quebec and Ontario during most of the upcoming week. (AccuWeather.com)

The next in a series of early winter storms is expected to impact southern Quebec beginning later this afternoon. The storm system is currently moving from the Midwest US towards Buffalo, New York by late today. The low pressure area was responsible for blizzard conditions across portions of the central plains and Midwest on Sunday. Over a foot of snow (30cm) fell in some locations, with winds gusting to 55mph (90km/h).

Precipitation is forecast to spread across Ontario into Quebec by this afternoon, with rain forecast at the onset. As slightly cooler air wraps into the storm, precipitation should change to wet snow this evening. The snow will be enhanced by the development of a second storm along the US eastern seaboard near New York City. Both lows will meander around New England through Thursday, with varying amounts of snow and rain. Winter storm warnings have been issued south of the border, with special weather statements in Ontario and Quebec. Warnings may be needed later today as the forecast becomes more clear.

As far as snowfall accumulation are concerned, amounts will be highly variable, dependent on elevation. Montreal can expect a very wet 10 to 15cm of snow through late Tuesday, mixing at times with rain. Upper elevations to the southeast of the city, in the Townships and northern New England, may receive more than 30cm. Winds will become rather strong out of the northeast up to 60km/h through Tuesday. The combination of heavy wet snow and gusty winds will create poor travel conditions along with the chance for isolated power outages. Snow is also forecast in Ontario, with 5cm along the St. Lawrence Valley, up to as much as 20cm along the Ottawa Valley and points west towards Georgian Bay.

High pressure will finally clear skies out by late Thursday. Temperatures will remain seasonable through the week, with highs of 0C to plus 2C and overnight lows of  -1C to -3C