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Mild and calm sums up the forecast for southern Ontario this Family Day long weekend with widespread double-digits expected across the region.
Canadian Weather | Ontario

Records smashed as heat rises for Family Day weekend

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Daniel Martins
Digital Reporter

Saturday, February 18, 2017, 7:51 PM - Temperature records were shattered on the first day of the Family Day weekend, with daytime highs reaching within a couple of degrees of 20 oC.

Windsor and Sarnia in the extreme southwest of Ontario reached almost 19 oC, and Toronto's peak of 11.7 oC marked the city's warmest February 18 on record. Even cities in the far north of the province saw a second day of record-breaking warmth.

All this beneath mostly clear skies, and though cloudier days beckon several days hence, mid-teen temperatures are likely again by midweek, with temperatures remaining above zero for some southern communities even into the next weekend.


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QUICK FACTS:

  • High pressure to dominate through Monday for southern Ontario. Widespread double-digits likely in southwestern Ontario Sunday.
  • System tracked into northern Ontario Saturday with a mix of snow, rain and freezing rain.
  • Showers expected for southern Ontario Tuesday night into Wednesday.
  • No major systems in the forecast until the end of next week.


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"Family Day will be the coolest day of the long weekend (east wind off Lake Ontario will be quite noticeable in the GTA in contrast to Saturday and Sunday) and yet still above seasonal and lots of sunshine," says The Weather Network's Dr. Doug Gillham.

While high pressure continues to build for the south, a system will track into northern Ontario from the Prairies with a messy mix expected Monday.

Long Range

Looking ahead, southern Ontario is likely to see a period of showers Tuesday night. However, there are no major systems in the forecast until the end of next week.

"Strong Colorado low for the central U.S. will track towards the Great Lakes," adds Gillham. "Looks like a wide variety of impactful weather for U.S. and Canada. At this point warm and wet looks most likely for the south, but heavy snow for the north and the potential for some freezing rain at the start - potentially for Ottawa and Montreal."

While it's still too early to specify details, this will certainly be a system to watch as we head towards next weekend.

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