Friday’s daytime highs around -3°C, feeling like -10 would be several degrees below normal and would be a new daily record. The monthly records for August in Resolute are -4.5°C for the lowest high on August 28, 1997, and -9.3°C for the lowest low during August 31, 1997.
A second, more potent system will follow Sunday and Monday that will impact north and southern regions across Canada.
In the north, heavy snowfall may move through parts of Baffin Island. In higher elevations further north from Iqaluit, over 15cm of snowfall is possible through this long weekend. With periods of whiteouts possible too, with winds exceeding 80 km/h.
This system will help to open the door for a polar air mass to move south during the first week of September. Forecasters are expecting a return to normal daytime highs for the Prairies, relieving the current heatwave. And, eventually, below normal temperatures are possible once again for Ontario, Quebec next weekend.