Thursday, October 08, 2009

Much colder

Today will be sunny and mild for early October, the most pleasant day of the week. Low pressure over the mid Mississippi valley will push northeast and pass south of the region on Friday. More rain is expected with breezy conditions. Yesterday nearly 22mm of rain fell on Montreal, most of it in the afternoon as thunderstorms developed along a sharp cold front. Winds gusted up to 50km/h in Quebec and over 100km/h in Ontario.

Another storm system will pass through the region on Saturday night, and usher in the coldest air of the season thus far. Temperatures will struggle to make it to 8C next week with overnight lows below freezing. Frost and even some flurries are possible. Today, that same system is producing snow and windy conditions in Alberta and Saskatchewan. Some parts of Saskatchewan will see 5-10cm of wet snow with 50-70km/h winds possible. Driving may become tricky in the eastern part of the province tonight especially south of the Trans Canada Highway.

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