Extreme cold warnings are in effect across Saskatchewan this weekend.

Extreme cold warnings cover much of Saskatchewan, and officials report higher risks to heating systems, vehicles and pets during the cold snap.

Extreme cold warnings are in effect across much of Saskatchewan, with temperatures expected to remain very low through the weekend. Officials say the cold increases pressure on heating systems and raises risks for fires, carbon monoxide incidents and frozen plumbing. The Canadian Automobile Association and other groups reported more vehicle problems in severe cold. Animal welfare groups noted that pets are also at greater risk during extreme cold. Key points: - The Saskatoon Fire Department reported an increase in fires and carbon monoxide incidents as heating systems work harder. - The Canadian Automobile Association said battery failure is a common issue in extreme cold and mentioned plugging vehicles in when temperatures reach about -15 C. - Plumbing and heating specialists warned that water and drain lines can freeze and that furnace vents can be affected by ice and snow. - The Saskatchewan SPCA advised that extreme cold is unsafe for most animals and recommended limiting outdoor time. Summary: Authorities and experts reported multiple strains from the cold snap on homes, vehicles and animals, and they highlighted related safety concerns. Undetermined at this time.