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Ontario: Sunday snow squalls will make for challenging travel

Sunday, January 19th 2020, 12:30 pm - Another day of tricky travel for parts of southern Ontario

While it pales in comparison to the storm that pummeled Newfoundland, southern Ontario set snowfall records of its own on Saturday, as the first major, widespread snowfall of 2020 swept through the region. The storm moved out for Sunday, but lingering snow squalls will bring additional snow and difficult driving conditions throughout the day. A break from the action -- and some milder temperatures -- are on the horizon, however. We take a look at what you need to know below.

IN PHOTOS: Records broken by southern Ontario's first widespread heavy snow of 2020


WEATHER HIGHLIGHTS:

  • Snow squall advisories in effect for parts of southwestern Ontario, western GTA
  • Up to 15 cm additional accumulation expected for hardest-hit regions
  • Blustery winds drive colder temperatures, wind chills into Monday
  • Milder air moves in late week
  • Stay aware of ALERTS in your area

THROUGH SUNDAY: BLUSTERY WINDS DRIVE LAKE-EFFECT SQUALLS

The storm that dropped more than 20 cm of snow on parts of Ontario on Saturday has moved on, but it has one last swipe in store for parts of the province, as strong north-northwest winds spur lake-effect snow squalls through the day.

Blustery winds will drive persistent streamers off of Lake Huron and Georgian Bay through the afternoon and evening. Up to 15 cm of additional accumulation is expected for places like Goderich, Stratford, and possibly as far south as London.

ONHighwayImpact

Environment Canada has issued snow squall warnings for parts of southwestern Ontario, along with weather travel advisories the Niagara Falls region, as well as Brant, Oxford, Elgin, and Norfolk counties.

THE WEEK AHEAD: ARCTIC CHILL EASES, SUNSHINE RETURNS

While the squalls will wind down through Sunday night, cold air flooding down from the north will mean a chilly start to the workweek across the region with highs single digits in the south to near -10ºC in cottage country. That comes with wind chill values in the -10 to -20 range. On the bright side, we will also see a break in the active weather, as high pressure brings sunny skies back to the province for the first half of the week.

MONONTEMPS (1)

The next weather-maker on the horizon looks to move into the Great Lakes region late Thursday, but strong southerly flow ahead of that storm will help to give late-week temperatures a modest boost across the region.

ONTEMPSTHUR

Stay with us here at The Weather Network for your latest forecast updates.

A VERY WINTRY SCENE IN SOUTHERN ONTARIO

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