Here is our updated snowfall map this evening through Saturday for just lake-enhanced snowfall.
The best chance for any accumulating snow in the GTA would be from 3am to 8am Saturday when the southeastern edge of the Georgian Bay lake-effect band gets close before weakening later in the morning.
Latest indications are that the main southern Lake Huron band will setup just to the west of London, Ont. this evening, but then may drift into London overnight before weakening.
Strong winds will continue across parts of southeastern Quebec, eastern New England and into Nova Scotia tonight.
Potential still there for a major snowstorm for interior Northeast U.S. and parts of eastern and Atlantic Canada next week
Welcome to official winter!
A large storm clashing with warmth and higher humidity will lead to heavy rainfall and locally severe thunderstorms over the Prairies the next couple of days.
Potential for localized rainfall amounts in excess of 100 mm (4 inches) over western Alberta this week....
Here is my latest interpretation of the ECMWF weekly update that goes into mid-July.....
Potential for strong thunderstorms and heavy rainfall Wednesday/Wednesday night.
What the latest ECMWF seasonal forecast output shows for July, August and September...
Below is my interpretation of last night's release of the latest ECMWF model weeklies that now go out through the first week of July.