Snow Squall Warnings and Weather Travel Advisory updated

Don't put your shovels away just yet.

Environment Canada is calling for more snow squalls and winter weather travel advisories for central Ontario.

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Snow Squall Warnings are expected in Barrie, Collingwood, Hillsdale, Owen Sound, the Blue Mountains and Northern Grey County.

The national weather agency expects snowfall with an accumulation of 10 to 20 centimetres of snow by Wednesday night.

Additional frigid temperatures of windchill of -28C in the morning followed by -20C in the afternoon will compound the blustery weather. Winds are expected to gust between 20 kilometres per hour and 50 km/h.

The Weather Travel Advisory is in effect for Barrie, Collingwood, Hillsdale, Innisfil, New Tecumseth, Angus, Owen Sound, Blue Mountains, Northern Grey County,Shelburne, Mansfield, and Northern Dufferin County.

Bands of lake-effect snow will continue to affect the area through Wednesday. Heavy snow and blowing snow can be expected at times.

Travel could be hazardous due to sudden changes in the weather patterns.

Environment Canada advises drivers to consider postponing non-essential travel until conditions improve.