Much of Canada is slowly emerging from the February deep freeze, with noticeably warmer temperatures spanning the country to start out this final week of the month.
Gusty winds will help to usher in the above seasonal conditions across southern Ontario for Monday, with rain and possibly snow returning by the mid-week mark.
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Toronto’s Pearson airport has only reported a total of 3.1 mm of rain so far this winter, well below the normal of the 57.7 mm that typically falls.
Across the Greater Toronto Area (GTA), it’ll be a close call between the rain and snow through Thursday, with much of eastern Ontario seeing the better chances for snowy impacts late week.
Monday and Tuesday: Winds and warmth rush into southern Ontario
A system tracking north will open the door for mild temperatures to start off this week in southern Ontario.
Monday and Tuesday both hold the potential for the warmest daytime highs of the year so far, with temperatures set to hit around 4°C in Toronto. The normal for this time of year is closer to 1°C.
Baron – February temperatures Toronto updated
The milder temperatures Monday will be paired with strong winds however, with gusts reaching between 70-90 km/h through the afternoon.
The gustiest winds can be expected along the escarpment before easing during the evening hours. Residents should prepare in case of power outages.
Baron – Monday afternoon winds in Ontario – Feb24
By Tuesday, the rain chances begin to move in, though it’ll be a hit and miss kind of day. Regardless, the recent daunting snow piles and snowpack will begin to melt.
Wednesday and Thursday: Rain and snow chances increase, but temperatures will play a role
A low pressure system will track in late Wednesday afternoon across southwestern Ontario, reaching the GTA by evening, and Ottawa Thursday morning.
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Across the southwest, Lake Erie shorelines, and through the Niagara region, rainfall will be the favoured precipitation type, while those to the north will see some wet, heavy snow in the 5-10 cm range.
Baron – Wednesday evening precipitation in Ontario – Feb24
The GTA is toeing the rain and snow line, with precipitation likely starting as snow and changing over to rain early Thursday along the Lake Ontario shoreline.
A snowy commute can be expected across eastern Ontario and the Ottawa area Thursday morning.
Baron – Ontario precipitation outlook – Feb24
There is still some uncertainty with the rain and snow totals, as the storm track and small temperature change could make a large difference.
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Colder weather is expected to return for the weekend, with a more wintry pattern likely to dominate for the first 10-15 days of March. Temperatures will be changeable, but overall colder than normal.
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Also, we will have a jet stream pattern that will bring a heightened risk for winter storms, but it is too early to have confidence in the exact storm track, as it could also stay south and east of the region.
Be sure to check back for the latest weather updates across Ontario.
WATCH: How heavy is the Canadian snowpack for the entire season? We did the math
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