Portions of midwestern Ontario are in for a very chilly Monday night.
Environment Canada has issued a yellow cold warning for the Bruce Peninsula, Sauble Beach, and Tobermory.
The weather agency says wind chills dipping below minus-30 C are possible, and for those who must go out, proper dress is a must.
"Frostbite can develop within minutes on exposed skin, especially with wind chill," read the warning from Environment Canada. "Watch for colour changes on fingers and toes, pain, numbness, a tingling sensation, or swelling. If present, move indoors and begin warming."
The warning is in place through at least Tuesday morning.