Late summer/early fall weather

Issued: Monday, September 1, 2014 · Covering: September 3 – September 10, 2014

Last week’s weather ended up following its own rules as a relatively fast-flowing pattern developed across our region, bringing with it rapidly changing weather conditions.

For this forecast period it looks like this weather pattern will persist. High pressure that started off this week will quickly be replaced by an area of low pressure that is forecast to track across southern and central regions on Thursday. This system will bring clouds, showers or periods of rain on Thursday, along with cool temperatures. The system looks like it will quickly move out on Friday and we should see a good push of cool air behind the system. This will result in partly cloudy skies on Friday and Saturday, along with temperatures struggling to make it into the low 20s for highs.

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The weather models then show a building ridge of high pressure moving in from the west over the weekend. This should bring us more sun than clouds, along with high temperatures in the mid-20s on Sunday and Monday. Unfortunately, it doesn’t look like this ridge will last for long, as an area of low pressure is forecast to quickly flatten the ridge around the middle of next week. This will result in increasing humidity and clouds, along with the chance of showers and thunderstorms as the week progresses.

It now looks like the majority of the precipitation will be over central regions as the low tracks from southern Saskatchewan toward Hudson Bay. Temperatures over southern regions should stay on the mild side for most of next week before colder air begins to filter in later in the week.

Usual temperature range for this period: Highs, 17 to 28 C; lows, 6 to 13 C.

About the author

Co-operator contributor

Daniel Bezte

Daniel Bezte is a teacher by profession with a BA (Hon.) in geography, specializing in climatology, from the U of W. He operates a computerized weather station near Birds Hill Park.

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