Frigid cold coming to Quebec and the East Coast as polar vortex pays visit

With the return of the polar vortex to North America just around the corner, Eastern Canada will be one of the regions impacted by its frigid-cold air.

For Quebec and the East Coast, it could be some of the coldest temperatures they have seen in years. Temperatures for the current winter season have dropped down into the middle of the -20s for some major cities across Eastern Canada, but frigid temperatures are in sight as the polar vortex heads eastward.

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The polar vortex will track east in behind a low-pressure system, which will open the floodgates for the cold air to dive as far east as St. John’s, N.L., and even as far south as Texas and Florida.

Quebec will start to feel the cold on Sunday with daytime highs hovering around the negative teens. Temperatures will continue to become more frigid as the core of this air tracks east. By Monday evening, temperatures may drop into the -20s.

For Montreal, Que., the last time we saw temperatures in the -20s, we have to track go back to early 2023.

To find the previous time that we saw a daytime high of -20 C, we would have to go back to Jan. 6, 2018 for Montreal.

Atlantic Canada will enjoy a mild weekend before the cold tracks in for Monday morning. The bitter cold will be felt all week long, but northern regions of New Brunswick will experience overnight wind chills into the -30s to start off the upcoming work week.

Fredericton, N.B., could see some of the coldest daytime highs since last winter.

Cities across Newfoundland will start to feel the cold late Monday night. Temperatures will hover into the negative single digits with wind chill values in the upper minus teens.

Stay tuned to The Weather Network for the latest forecast updates for Quebec and Atlantic Canada.

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