Last week’s messy forecast turned out to be exactly that—a couple of systems triggering several rounds of showers and thunderstorms across parts of the southern Prairies.
This forecast period is looking much more stable and predictable as a large area of high pressure dominates our region.
As of Wednesday, this high pressure is centered over Manitoba with a ridge extending back into northern Alberta. The weather models show this high slowly drifting to the southeast over the next 5 or so days. This should bring sunny to partly-cloudy skies and warm temperatures to all three Prairie provinces.
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As the high moves eastwards, unsettled conditions will slowly work into Alberta over the weekend. Early next week, the weather models show an area of low pressure developing over the American northwest and then lifting northwards into Alberta.
Alberta
Sunny skies and warm weather looks to dominate the province over the next few days thanks to a sprawling ridge of high pressure. Northern regions look to be the warmest with daytime highs pushing into the low thirties. Further south, away from the main axis of the ridge, temperatures will be a little cooler. Highs are expected to be in the mid-twenties.
Over the weekend the ridge of high pressure will be sliding to the east. This will allow unsettled conditions to begin moving in as low pressure develops to the southwest of the province. Far west and southern regions will see increasing clouds and the chance of showers and thundershowers beginning on Saturday.
The main area of low pressure is forecasted to finally lift northwards on Tuesday. As the low moves in, central and northern regions will increasing clouds along with showers and thunderstorms late on Tuesday and into Wednesday.
Saskatchewan and Manitoba
It’s a short forecast for these two regions as a large area of high pressure is forecasted to dominate from Wednesday all the way to at least Monday—possibly Tuesday. Skies will be sunny with maybe a few afternoon clouds. With the strong mid-summer sunshine, temperatures will be seasonably warm. Expect daytime highs in the mid to upper twenties and overnight lows falling into the low to mid teens.
Early next week an area of low pressure is forecasted to begin lifting northeastwards out of the American northwest. This low is expected to lift into Alberta on Tuesday. This will push a warm front across southern Saskatchewan late on Tuesday and through Manitoba on Wednesday. This front will likely trigger showers and thunderstorms as it moves through.
The main area of low pressure is forecast to move through north-central Saskatchewan on Wednesday. It will bring an area of steady rain across the far northern agricultural regions. This far out, confidence is the exact placement and timing of this system is low.
