Today:  EXTREME COLD WARNING IN EFFECT;  Sunny and windy.  High:  -24  (Windchills ranging from -40 to -34 throughout the day)

Tonight:  Clear.  Low:  -33

Tomorrow:  Mainly sunny.  High:  -21

(Christmas Eve) Tomorrow Night:  Becoming cloudy and windy.  Low:  -26 before rising.

(Christmas Day) Sunday:  Windy, with a 70% chance of light snow.  2-4 cm possible.  High:  -17

(Boxing Day) Monday:  Partly sunny at times.  High:  -13

Tuesday:  Partly sunny, with a 30% chance of light snow later on.  High:  -10