Huge Storm to Impact Southern Ontario, Southern Quebec & Atlantic Canada

An area of low pressure currently centred over West Virginia will have a profound impact on the weather in southern and eastern Ontario, southern Quebec, and Atlantic Canada.

Southern and Eastern Ontario

The area from the northeast shore of Lake Erie to Ottawa will receive mostly rain with 15 to 30 mm expected by tomorrow morning. Windsor to Toronto and toward the Quebec border will likely see a rain-snow mix with 10 to 15 mm of rain during the day and then possibly 2 to 6 cm of snow late Monday and continuing into early Tuesday.

Lake Huron northeast through Georgian Bay and Lake Simcoe to the Quebec border will see mostly snow with 10 to 20 cm anticipated, the highest snowfall will be over high terrain. We will see winds potentially gusting to 90 km/h.

Up to 25 centimetres are possible west of Collingwood and northwest of Orangeville to the Bruce Peninsula.

Snow may continue in some areas until Wednesday.

Travel will be dangerous.

Southern Quebec

Precipitation is expected to move into the areas this afternoon. Areas south and just north of the St. Lawrence River will see mostly rain. North of that, snow is expected. Unsettled weather conditions may linger through Thursday. There is also a risk of freezing rain.

In the heaviest snow, 15 to 20 centimetres is expected. Heavy rain is expected along the Gaspé Peninsula, by the time all is said and done we could see 50 to 80 mm. Winds will also gust to about 80 km/h at times.

Maritimes

Rain will move into the Maritimes tonight and linger through Wednesday night. Rainfall will vary from place to place. Across northern sections of New Brunswick, 40 to 50 mm is expected southern areas could see 100 mm. Extreme southern sections such as 170 mm of rain which will deliver widespread flooding. In southern Nova Scotia, 60 to 80 mm of rain could fall. northern areas of Nova Scotia and PEI will receive lesser amounts. Winds will be strong across the area with gusts potentially reaching 100 km/h in the Inverness County - Mabou and north area.

Newfoundland

A few showers are expected on Wednesday and Thursday with only about 5 to 10 mm expected. The south coast could receive more rain with 20 mm possible by Thursday.

Labrador

Snow will move into western Labrador beginning tonight. All areas will see snow by Tuesday afternoon. On Tuesday night a transition to freezing rain and rain is expected for areas east of the Churchill Valley. West of that, snow is expected with 15 to 25 cm.