Tuesday, June 10, 2014

Unsettled weather week ahead

What a spectacular weekend and Monday in Montreal and across the St. Lawrence Valley. The weather was ideal, perhaps a little too hot, for the  Formula 1 Grand Prix du Canada over the weekend. Temperatures were very close to 30C (86F) both Saturday and Sunday, dropping slightly to 27C (81F) on Monday.

This morning we have a northeast breeze along with clouds and showers that are keeping things cooler. I have 16C (61F) here on L'Ile Perrot, quite a bit cooler than last evening. A weak frontal system will bring showers this morning followed by afternoon clearing. Temperatures in Montreal will eventually make it to 25C (77F) once the clouds clear. Tonight should be fair with lows down to 15C (59F). On Wednesday southern Quebec will begin to feel the effects of a frontal boundary that stretches from the Great Lakes to the Gulf of Mexico. Deep moisture will flow northward with clouds increasing, we can expect the chance for showers and thunderstorms by late in the day. Temperatures will make it up to 25C once again. The showers will become a steady rain late in the day and into Thursday. Rain may be heay at times with in excess of 25mm (1 inch) possible. Friday looks wet as well with clouds and showers. The good news once again is that the weekend looks great. If so this will be the third in a row with sunshine and warm temperatures. Seems like a great way to start the summer, rainy during the week, sunshine on the weekends.

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