A brief warm up is expected tomorrow before the coldest air of the season surges into eastern Ontario and western Quebec on Thursday. I expect some light rain and snow showers with the passage of the front late tomorrow and Thursday morning before changing to all snow and tapering off. Thursday will be windy and colder with numerous snow squalls in Ontario and dropping temperatures to well below -10C at night. We can expect another round of heavy lake effect snow in the traditional snow belts of southern Ontario and northern and western New York. Well over a foot of snow may fall in those regions beginning Thursday and Friday. More on that tomorrow. For the short term just a few scattered flurries tonight with temperatures around -3C.
This morning a surprise shot of snow developed along the 417 corridor west of Ottawa and moved through the city and then eastward while dissipating. A few quick centimetres lead to numerous accidents in the region including 16 in Ottawa alone. No snow fell here in Kemptvile as the burst of activity remained well north of the region. The snow was caused by a trough of low pressure moving rapidly east. The balance of today was fair but chilly with a gusty northwest wind.
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