Environment Canada has issued a special weather statement in effect for: Niagara Falls – Welland – Southern Niagara Region – St. Catharines – Grimsby – and the Northern Niagara Region which indicates that a major winter storm threatens Southern Ontario early this week…
A developing low pressure centre currently over the Northwestern United States will track just south of the Great Lakes on Monday and Monday night. Snow is forecast to begin over Southwestern Ontario during the day Monday then spread over much of the remainder of Southern Ontario Monday night through Tuesday. Cold Arctic air already in place over the Great Lakes will ensure it will be a dry fluffier snow, resulting in localized blowing snow as winds strengthen during the storm.
Total snowfall amounts of 15 to 25 centimetres are likely with enhanced amounts closer to 30 centimetres possible in the Hamilton to Niagara corridor, due to added moisture from Lake Ontario. Snowfall amounts will likely be appreciably less north of the Greater Toronto Area towards Georgian Bay and into parts of Eastern Ontario. The snow should taper off Tuesday night in most areas.
This snowstorm has the potential to significantly affect travel due to accumulating snow and blowing snow resulting in hazardous winter driving conditions.
Winter storm watches and warnings will likely be issued in due course, as the storm track and amounts become more certain.
Now looking at the detailed forecast for the niagara region…
A few flurries ending this morning then a mix of sun and cloud. A high of minus 5. UV index 3 or moderate.
Tonight
Partly cloudy. Becoming cloudy before morning. Wind northwest 20 km/h becoming light late this evening. Low minus 11.
Mon
Cloudy. Periods of snow beginning in the morning. Amount 2 cm. Wind becoming east 20 km/h gusting to 40 late in the morning. High minus 4.
Night
Snow. Local blowing snow. Low minus 6.
Tue
Snow. Local blowing snow. Windy. High minus 5.
Night
Flurries. Low minus 9.
Wed
A mix of sun and cloud with 40 percent chance of flurries. High minus 1.
Night
Cloudy periods. Low minus 9.
Thu
A mix of sun and cloud. High plus 1.
Night
Cloudy periods. Low minus 4.
Fri
Cloudy with 30 percent chance of flurries or rain showers. High plus 2.
Night
Cloudy with 40 percent chance of flurries or rain showers. Low zero.
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