All of Saskatchewan is under an extreme cold warning Thursday morning.
Environment Canada said an arctic high-pressure ridge has settled over the province, bringing very cold temperatures.
Early morning temperatures are in the -30s C, with a few areas below the -40 C mark.
Extreme wind chill values of -40 C to -50 C are widespread, with values up to -55 C in the far north.
Some moderation is expected during the day, but extreme wind chills are expected again overnight and into Friday morning.
Saskatoon recorded its coldest Feb. 6 in history at -43 C. The previous record of -41.7 C was set in 1907.
Frostbite can occur in less than 10 minutes at these values.
Anyone heading outside should dress warmly and in layers and ensure the outer layer is wind resistant.
People working outside should take regular breaks to warm up.
Cold-related symptoms including shortness of breath, chest pain, muscle pain and weakness, numbness, and colour changes in fingers and toes.
Emergency supplies, such as extra blankets and jumper cables should be kept in vehicles.
For the latest conditions and warnings, download the SkyTracker weather app.
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