Polar vortex to bring coldest air in years to parts of Quebec
So far, the winter season across Southwestern Quebec has been marked by above-average snowfall and above-average temperatures. But that is about to change.
Cold, arctic air has been gradually pushing into the province. Many residents across Northern Quebec woke up to extreme cold warnings Tuesday morning.
Extreme cold warnings in effect on Jan. 31, 2023.
Wind chills in places like Abitibi and Témiscamingue were between -38 and -42 Tuesday morning, while Salluit, in the extreme northern tip of the province, recorded a wind chill of -52.
The colder air is pressing south for the final day of January. Montreal is expecting its coldest maximum of the season so far, with a daytime high of -11 degrees Celsius. The projected high would be 5° below average, and it would be the first time the city would stay in the minus double digits so far this winter season.
7 a.m. to 7 p.m. day planner for Jan. 31, 2023.
Tuesday night, the city is expected to record its first minus 20-degree reading of the season so far, with a forecast low of -21 C.
Forecast low temperatures in Quebec for Jan. 31, 2023.
After a brief warm-up, on Wednesday and Thursday, even colder air will move in for the first weekend of February. An arctic front will push through on Thursday, bringing flurries, and opening the door to the polar vortex.
Upper air analysis for Jan. 31, 2023.
Montreal will not only see its coldest air of the season this weekend, but its coldest readings in years. The temperature Friday night is expected to drop to -28 C with a wind chill around -40. The mercury is expected to stay below -20 on Saturday and the wind chill is expected to stay around -30.
Five-day forecast for the Montreal area starting Jan. 31. 2023.
The last time Montreal recorded a daytime high below -20 C was on January 6, 2018.
Fortunately, the extreme cold will be short-lived. Temperatures will bounce back above the freezing mark on Sunday with about five centimetres of snow.
Seven-day forecast for Montreal, starting Jan. 31, 2023.
NORMAL HIGH: -6 C
NORMAL LOW: -15 C
CTVNews.ca Top Stories
Officials: 2 dead, 5 missing in chocolate factory explosion
An explosion at a chocolate factory in Pennsylvania on Friday killed two people and left five people missing, authorities said. One person was pulled from the rubble overnight.

Canadians view own country favourably but many unsure about Canada's system of government: survey
A recent study by the Angus Reid Institute found Canadians view their country more positively than Americans do, but only a slight majority of people in Canada believe their system of government is good.
Putin says Russia will station tactical nukes in Belarus
Russian President Vladimir Putin announced plans on Saturday to station tactical nuclear weapons in neighboring Belarus, a warning to the West as it steps up military support for Ukraine.
Russia 'largely stalled' in Bakhmut, shifting focus, U.K. says
The top commander of Ukraine's military said Saturday that his forces were pushing back against Russian troops in the long and grinding battle for the town of Bakhmut, and British military intelligence says Russia appears to be moving to a defensive strategy in eastern Ukraine.
Trump rallying supporters in Waco ahead of possible charges
Staring down a possible indictment, a defiant Donald Trump is hoping to put on a show of force Saturday at the first rally of his 2024 presidential campaign, in a city made famous by deadly resistance against law enforcement.
'Everything is interwoven': Trudeau and Biden vow continued Canada-U.S. collaboration during historic visit
U.S President Joe Biden and Prime Minister Justin Trudeau have announced updates on a number of cross-border issues, after a day of meetings on Parliament Hill.
Asylum seeker deal between U.S. and Canada won't stop drama at border, advocates say
The new asylum seeker agreement between Canada and the United States will not deter migrants from trying to cross into Canada outside official ports of entry, Quebec immigration advocacy groups say.
U.S. President Joe Biden given Maritime-made Peace by Chocolate bar during visit to Ottawa
U.S. President Joe Biden was given a Maritime-made sweet treat during his visit to Ottawa on Friday.
Scientists say they've solved the mystery of cigar-shaped comet 'Oumuamua
Scientists now say they know outerspace object ‘Oumuamua is, and the answer is more simple than some previous theories have suggested.