The intense low pressure system that we've been tracking over the past few days continues to bring stormy weather to portions of Ontario, Quebec, and Atlantic Canda
Southern and Eastern Ontario
Snow is continuing along the southwestern shore of Georgian Bay through Sudbury and Muskoka toward the Quebec border. About 10 to 15 cm of snow is expected by tomorrow morning. Some higher elevations could see up to 30 centimetres of snow.
Areas closer to the shores of Lake Huron could see heavy snow this afternoon. Snow squalls are expected to develop.
Travel will be dangerous.
Heavy rain will continue to impact areas south and just north of the St. Lawrence River. Further north, precipitation is expected to remain as snow with some embedded freezing rain.
Rain will be very heavy in eastern Quebec with the risk of flooding. A total of 70 to 100 millimetres expected through Wednesday. Rainfall amounts could even exceed 120 millimetres in some locales on the tip of the Gaspé Peninsula and the North Shore, especially Anticosti and Minganie.
Storm surge is also possible.
For southwestern Quebec, 15 to 30 centimetres of snow is expected.
Heavy rain will continue until tomorrow afternoon. 40 to 60 mm, possibly higher in areas of the heaviest rain is expected in New Brunswick, in extreme southern New Brunswick, up to 140 mm of rain is possible which may lead to flooding.
Heavy rain is continuing across southern Nova Scotia. 50 to 80 mm, with some areas possibly exceeding 100 mm in areas of the heaviest rain is possible.
Snow is expected across Labrador before a transition to freezing rain and rain this afternoon and overnight.
For coastal Labrador inland to Happy Valley-Goose Bay total snowfall between 10 and 20 cm is expected combined with total rainfall of 20 and 40 mm. In Western Labrador 10 to 20 cm of snow is expected today.
On Wednesday most areas have the risk of seeing freezing rain.
Impacts across Newfoundland will be minimal with showers and gusty winds expected Wednesday and Thursday.