Heat warnings have been issued throughout Alberta and much of central and northern Saskatchewan.
Environment Canada says the two Prairie provinces will experience temperatures of at least 30 C, with some parts of Alberta forecast to reach about 35 C by Wednesday.
Among the major centres that will be affected by the extreme heat include Edmonton, Calgary and Saskatoon.
High heat is also expected in southern Saskatchewan, with temperatures in Regina hovering around 30 C for the entire week.
Many parts of British Columbia have been under advisories and warnings about scorching temperatures for the last few days.
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Environment Canada says parts of B.C.’s southern Interior and the northeast could see temperatures climb into the 40 C range this week.
The weather office says overnight temperatures won’t provide much relief from the heat, with lows predicted in the mid-teens.
The above-normal temperatures are expected to spread into Manitoba later in the week, where temperatures are forecast to hit 30 C by Wednesday.
Environment Canada says the heat on the Prairies is likely to linger into next week.
People are being encouraged to take precautions against the heat, like drinking lots of water and staying in the shade, especially when taking part in outdoor events like the Calgary Stampede or the upcoming Winnipeg Folk Festival.
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