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Forecast: Warm long weekend, then a short cool-down early next week

Issued July 29, 2019: Covering the period from July 31 to August 7

The first half of last week’s forecast played out as expected, but things deviated a little during the second half. The unsettled weather forecasted for the early part of this week consolidated into a stronger system that pushed through late last weekend. Because the system was stronger and pushed through all at once, we ended up seeing a nice push of cooler air to begin this week.

That nice cool air looks like it will quickly be replaced by more warm/hot temperatures as a ridge of high pressure builds to our west. With upper ridges, weak areas of low pressure often ride over the top of them. Since we’ll be on the northern edge of the ridge, we can expect a few weak systems to track through our region from Wednesday to Friday. It looks like most days will see more sun than clouds, with only the slight chance for a shower or thundershower. Expect daytime highs to be in the upper 20s to low 30s with overnight lows in the mid-teens.

Over the weekend a stronger area of low pressure is forecasted to develop over Alberta and move eastward across northern Manitoba. Southern and central regions will see sunny to partly cloudy skies and hot temperatures, with daytime highs in most areas pushing into the low 30s. A cold front is expected to drop southward behind the departing northern low late on Sunday or early Monday, bringing with it the chance of a thunderstorm.

High pressure is then expected to build in from the north early next week, bringing with it plenty of sunshine along with drier and cooler air. Daytime highs are currently forecasted to be in the low 20s with overnight lows around the 10 C mark. Looking further ahead, the weather models are hinting at a return to hot temperatures later next week.

Usual temperature range for this period: Highs: 20 to 30 C; Lows: 10 to 16 C.

About the author

Co-operator contributor

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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