The following Ontario Junior Hockey League games scheduled for Saturday, Jan. 18, have been postponed:

• Toronto Patriots at Wellington Dukes

• Pickering Panthers at Collingwood Colts

• Brantford 99ers at Georgetown Raiders

• Toronto Jr. Canadiens at Aurora Tigers

• North York Rangers at Brampton Admirals

Winter weather warnings and advisories blanketed almost all of Ontario on Saturday morning, courtesy of an immense Colorado low sweeping through the Great Lakes, according to The Weather Network.

For southern Ontario, it's snowfall warnings that take centre stage, covering the entire region from Windsor to Ottawa with up to 20 cm of snow on the way.