Friday, July 26, 2013

Weekend weather update for Montreal - 50/50

The weekend will be a split with warm sunshine on Saturday and a period of steady rain and even some thunder on Sunday. This morning temperatures across the region are cool, but better than yesterday, already at 15C (59F) here on L'Ile Perrot. Despite the cold start on Thursday we managed a daytime high of  22C, and it was a near perfect day. This morning some high cirrus is around the region, especially close to the US border. This is in response to an out of season coastal low near Cape Cod and moving north into Atlantic Canada. This will bring heavy rain to portions of the Gaspe and New Brunswick, but remain well east of Montreal.

Skies will be sunny today with warm highs of near 27C (80F) across the St. Lawrence Valley from Montreal to Cornwall. The same forecast holds true for Saturday before clouds increase late in the day. A strong low pressure area and associated fronts will cross Quebec and Ontario Sunday with rain and some thunderstorms lasting into Monday. Amounts could exceed 25mm (1 inch) in some spots.

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