Snowsqualls are expected to develop in Barrie, Collingwood and Hillsdale. Under the snowsquall bands, visibility will be significantly reduced due to the heavy snow combined with blowing snow, and snow will quickly accumulate.
Lake-effect snowsqualls are expected to develop this morning. Snowsqualls from Georgian bay will affect the region today and then weaken somewhat tonight as winds become more westerly. Local snowfall accumulations of 10 to 15 centimetres are possible.
Snowsqualls cause weather conditions to vary considerably; changes from clear skies to heavy snow within just a few kilometres are common. Travel may be hazardous due to sudden changes in the weather.
Snowsquall watches are issued when conditions are favourable for the formation…