From #EnvironmentCanada:

A vigorous cold front is currently moving into #Quebec. In the wake of this front, temperatures will drop dramatically over the span of a few hours. These temperatures combined with moderate to strong winds will generate extreme wind chill values beginning #Friday morning for these regions.

#WindChill values between -38°C and -52°C are expected until #Saturday.

#ColderThanAPolarBearsLeftTesticle