First snow for many descends over the Prairies, freezing air follows
This will be the first snowfall of the season for many, including all of southern Saskatchewan.
After a round of widespread snow across Alberta and the first major snowfall event of the season for the northern Prairies, more flakes are forecast to fly this week. This time, though, it will be the first for many, including southern Saskatchewan.
Since it's only the end of October, many folks don't have their winter tires on, yet, which means any snowfall will reduce traction on the roads. Use extreme caution while driving during these bursts of fall snow, even if you do have winter tires on.
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This next round of snow will stay mainly in Alberta and Saskatchewan, but parts of northern and western Manitoba could also see some accumulation. Meanwhile, Alberta will see a chilly blast of air through midweek.
Snow began Tuesday
The messy precipitation rates should pick up by the evening hours on Tuesday, but as temperatures fall towards freezing, we'll see a shift over to full snow. Reduced visibility is possible along parts of the Trans Canada Highway and Yellowhead Highway through the evening and overnight.
This will also be the first accumulating snowfall event for much of Saskatchewan, including Regina and Saskatoon, where 3-5 cm of snow is possible.
Flurries are expected to continue through Wednesday across the provinces as cold air hangs on. This is also when we'll see the snowfall move into the Calgary and Edmonton areas.
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While Calgary is forecast to see less than 5 cm of snow, much higher totals are forecast just west of the city, into the Rockies. Temperatures are also forecast to drop below freezing for the first time since April on the back end of the system.

Further north, Edmonton could see accumulations of 5-10 cm. This will likely be the heaviest snowfall the city has seen so far this season.
Luckily, this won't be a wet snow event, although travel will still be hazardous along the Yellowhead Highway and QE2 through Wednesday.
Manitoba will likely get out of this event mostly snow-free, with only a few centimetres forecast north of Brandon and around Dauphin.
Cold hits Alberta
A robust upper-level trough will dip across Western Canada through the middle of the week. This pattern will help to funnel cold air south across Alberta.
How cold are we talking?

Daytime high temperatures will remain below the freezing mark for most of the province by Wednesday, with a forecast high of -1°C for Calgary, -2°C for Red Deer, and -1°C for Edmonton. These communities haven’t seen a subfreezing high temperature since the end of April.
Stay with The Weather Network for more information and updates on your weather across the Prairies.
