Weather forecast period sees Prairies stuck between storm tracks

Issued: Monday, June 15, 2015 – Covering: June 17 – June 24, 2015

The general weather pattern hasn’t changed much since the last forecast. We are still stuck in a split flow, with the northern stream across the central/northern Prairies and the southern stream across the northern U.S. As systems move along both of these tracks and interact, the split flow will sag slightly southward or drift a little northward, allowing the edges of systems in each stream to affect us.

This forecast period begins with the northern storm track dropping a bit southward as an area of low pressure ripples along. We should see a mix of sun and clouds on Wednesday, with the chance of showers or thundershowers late in the day, especially over more northern regions. High pressure will build in on Thursday, bringing sunny skies with high temperatures in the low 20s.

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Over the weekend, the southern branch will push northward a little bit. We’ll likely see a mix of sun and clouds from Friday through to Sunday, with the odd shower kicking around, but any organized rain should stay south of the border. Temperatures will be in the 20 to 25 C range for highs, with areas that receive the most sunshine being the warmest. Overnight lows should be in the low teens.

This split-flow pattern looks to continue through next week and right to the end of the month. This means we should continue to see a mixed bag of weather, with some days nice and sunny, a few totally cloudy days, but with most days likely seeing a mixture of sun and cloud. While we will continue to see the odd shower, most, if not all organized precipitation should stay well to our north, or to our south over the Dakotas. Temperatures will be pleasant, with daytime highs expected to be in the low 20s for the most part.

Usual temperature range for this period: Highs, 20 to 29 C; lows, 7 to 15 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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