Some of the coldest places on Earth are in Ontario as the polar vortex brings extreme cold

Extreme cold warnings have been issued in seven provinces. 🥶

icy lake during winter in ontario

Ice-covered lake in Ontario during the winter.

Senior Writer

Bundle up because some of the coldest places on Earth are in Ontario right now.

Ontario's weather has turned frigid as the polar vortex drops temperatures, with some spots feeling below -50 C!

On Monday, January 20, Weather Now revealed that 18 of the 20 coldest places on Earth are in Canada, including 14 locations in Ontario.

The coldest place in the world right now is Nagagami Lake, Ontario with a temperature of -41 C.

These are the other places in Ontario that are the coldest in the world:

  • Chapleau (-40 C)
  • Kapuskasing (-40 C feeling like -49 C)
  • Sandy Lake (-38 C feeling like -48 C)
  • Dryden (-38 C feeling like -50 C)
  • Pukaskwa (-38 C feeling like -39 C)
  • Muskrat (-38 C feeling like -50 C)
  • Sioux Lookout (-38 C)
  • Upsala (-38 C)
  • Pickle Lake (-38 C feeling like -52 C)
  • Red Lake (-38 C feeling like -48 C)
  • Marathon (-37 C)
  • Kirkland Lake (-37 C)
  • Big Trout Lake (-37 C feeling like -51 C)

Other parts of Canada are dealing with the polar vortex and bitterly cold temperatures as well.

These are the coldest places on Earth that are in Canada:

  • Stoney Rapids, Saskatchewan (-40 C)
  • Eureka, Nunavut (-39 C feeling like -52 C)
  • Cold Lake, Alberta (-39 C)
  • Uranium City, Saskatchewan (-39 C)

Environment Canada has issued extreme cold warnings in Ontario as a "prolonged period of extreme cold" is expected to continue from Monday into Tuesday, January 21.

The wind chill will make temperatures feel between -30 C and -45 C for northern and central parts of the province.

"Unrelenting extreme cold conditions are expected," the weather service said. "Relief from extreme cold is expected to be limited even during the daytime hours."

You should watch for cold-related symptoms like shortness of breath, chest pain, muscle pain and weakness, and numbness and colour changes in fingers and toes.

Environment Canada extreme cold warnings are also in place for Alberta, Saskatchewan, Manitoba, Quebec, Newfoundland and Labrador, and New Brunswick.

  • Senior Writer

    Lisa Belmonte (she/her) is a Senior Writer with Narcity Media. After graduating with a Bachelor of Journalism from Toronto Metropolitan University (formerly Ryerson University), she joined the Narcity team. Lisa covers news and notices from across the country from a Canada-wide perspective. Her early coverage of the COVID-19 pandemic earned Narcity its first-ever national journalism award nomination.

A storm is bringing snow to Ontario this week and temperatures will feel colder than -30 C

The "very cold arctic air" is also forecast to cause lake-effect snow. 🥶

An ice storm threatens 20 mm of freezing rain and warnings are in effect for parts of Ontario

Power outages and property damage are likely because of ice build-up.

Jennifer Pan pleads guilty to manslaughter in a major update to the 16-year-old case

The shocking killing was the subject of a recent Netflix documentary.

The happiest countries for 2026 were revealed and the US beat Canada for the first time ever

It's Canada's lowest ranking since the report was launched in 2012.

Canada Pension Plan payments for March go out soon and the average amount is over $800

Look for a direct deposit in your bank account or a cheque in your mailbox.

This Canadian airport was named the best in North America and one of the best in the world

Another airport in Canada won an award for having the best staff! ✈️

24 Costco snacks that are worth buying even if you live alone

You might want to add these to your grocery list!

The feds are moving benefit payments to a new IT system and the cost has exploded to over $6B

The project could cost more than three times its budget of $1.75 billion.