Forecast: Chance of showers to start, then dry

Issued August 22, 2016 – Covering the period from August 24 to August 31, 2016

As summer slowly winds down, most regions felt the first little hints of autumn last weekend, as overnight lows dropped into the 5 C range. For this forecast period it looks like summer is going to continue to hang around. That means we’ll probably end up seeing a few hot days, the odd day with some showers or thunderstorms, then a couple of seasonable days, since that is what our summer has been like this year.

This forecast period begins with an area of low pressure cutting through central Manitoba that will bring showers to most regions. The best chance of significant rains will be in central and northern areas, with extreme southern regions staying mostly dry.

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This low should pull out fairly quickly and we’ll see a return to sunshine on Thursday as high pressure moves in. This high will follow in the footsteps of the low and quickly move off to the southeast by Friday. Sunshine early on Friday will give way to a mix of sun and clouds later in the day as a weak system moves through. Low pressure will then develop and deepen to our west over the weekend. This will put us in a southerly flow over the weekend, giving us plenty of sunshine along with daytime highs in the mid- to upper 20s and overnight lows in the mid-teens. This low is forecast to track well to our north, but confidence in this part of the forecast is not that high. There is a slight chance for some thunderstorms late Sunday as a weak cold front pushes through when the low slides by to our northeast.

High pressure looks to build back in for the start of next week, bringing more sunshine and dry weather. Temperatures will be seasonable, with daytime highs expected to be in the low to mid-20s and overnight lows in the 8 to 12 C range.

Usual temperature range for this period: Highs, 18 to 28 C; lows, 5 to 16 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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