Nocturnal storm threat looms for parts of Prairies as heat persists
A typical stormy summertime pattern will continue for a few more days on the Prairies, with several chances for severe storms to pop up in the heat and humidity.
A classic summer weather pattern will continue on the Prairies over the next few days as more opportunities for heat, humidity, and stormy weather build over portions of the region. We’ll have to watch out for nocturnal thunderstorms both Saturday and Sunday, with multiple waves of storms possible in some areas. More on the continued storm threats, below.
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Sunday Through Monday Morning: Heat persists across the Prairies alongside storm risk
Heat warnings persist across much of the Prairies heading into Sunday as hot temperatures and high humidity send feels-like values soaring into the upper 30s to around 40.
The continued warmth and humidity will fuel multiple rounds of thunderstorms over the next couple of days, with the next opportunity cropping up during the day on Sunday.
Sunday’s risk for severe thunderstorms will stretch from central Saskatchewan eastward through northwestern Ontario, encompassing Saskatoon, eastern Regina, Prince Albert, as well as Winnipeg and Brandon.
Much of Sunday’s severe weather threat will unfold after sunset, beginning late Sunday night and rolling through early Monday morning. Folks in the Winnipeg area might wake up to some rowdy thunderstorms early on Monday morning.
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The risk for nocturnal thunderstorms will be greatest across the Interlake region, with several opportunities for thunderstorms to blow through the region overnight. Make sure you have a way to receive severe weather warnings even if you’re asleep.
Any severe thunderstorms that pop up on Sunday and Sunday night could produce strong wind gusts and large hail.
Monday Afternoon/Evening: Still hot, more thunderstorms expected
We’ll see two distinct areas of thunderstorms develop across the Prairies on Monday. The first round will be those early-morning storms across Manitoba and northwestern Ontario. These storms will continue east as we head through the morning hours.
Later in the day, another disturbance trekking across the southern Prairies will lead to a renewed risk for severe thunderstorms across southern Alberta and southern Saskatchewan. Any thunderstorms that form around Lethbridge and Medicine Hat could pack strong wind gusts and large hail.
Temperatures will register noticeably cooler across the region on Monday.
Calgary’s daytime high could top out below the 20-degree mark, while folks in Saskatchewan expect temperatures into the mid- to upper-20s. The heat and humidity will hang on in southern Manitoba for another day, though, with humidity pushing the feels-like value into the upper 30s.
Things are looking better across the Prairies as we dig deeper into the week.
Calmer conditions and more seasonable temperatures will blanket the region heading into the penultimate weekend of July, with plenty of sunshine and daytime highs clocking in around seasonal from Calgary to Winnipeg.
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Thumbnail is courtesy of Jordan Velestuk, taken in Emerald Park, Sask.
Be sure to check back for the latest updates on the heat and storm threat on the Prairies.