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Flip-flop of a weekend in Ontario, messy systems interrupt spring-like feel

Friday, February 26th 2021, 8:00 pm - Spring-like warmth in Ontario faces some messy wintry interruptions this weekend.

As the "official" start to spring approaches, a flip-flopping between seasons will on full display across much of Ontario this weekend. Many will wake up to the effects of an overnight system Saturday, with wet snow for areas above the 401 corridor Saturday, though with rain for areas south of that line. Then by Sunday, temperatures just a few degrees shy of the double-digit mark across the south, giving a spring-like boost to round out the weekend, though with a gloomy start. More on the timing of these incoming systems, plus a look at the overall milder temperatures that have marked much of this winter, below.


WEATHER HIGHLIGHTS

  • Unsettled system brings messy weather from the overnight hours into Saturday
  • Temperatures milder once again on the weekend
  • Cooldown once again early next week, though not excessive

INTO SATURDAY: MESSY OVERNIGHT SYSTEM CONTINUES INTO THE MORNING

Friday's abundant sunshine will be followed by a relatively weak system, which began moving into southern Ontario overnight.

Its effects will likely reach the GTA by the predawn hours, and eastern Ontario into the mid-morning. Though snow will be relatively widespread, amounts will be on the moderate side, and many people won't see any serious flakes.

Areas north of the 401 will begin as wet snow, though changing to rain before ending, while areas south of that line will be largely rain with perhaps some snow mixed in.

ONSnow (35)

The skies are set to clear through the afternoon, however, with partly sunny and mild conditions evoking an early spring-like feel (again) with mid-to-upper single-digit daytime highs.

SUNDAY: DELAY TO THE SPRING-LIKE WARMTH WITH GLOOMY START

That warmth will try to repeat itself on Sunday, but an east wind near the west end of Lake Ontario, cloudy conditions and an earlier than expected chance of showers will suppress daytime highs slightly.

Nevertheless, it will still be somewhat above-seasonal, though the GTA may not feel properly warm until near the end of the day, when the wind shifts to the southwest.

ON temps

While many Ontarians may have looked at the long range forecast and eagerly anticipated this weekend temperature bump for Sunday -- especially after the brief tease of it on Wednesday -- when you break down the winter as a whole, temperatures have certainly tipped to the milder side.

"Winter started mild, continued mild, didn't stay mild through the heart of February, but now at the end of the month, less than 40 percent of the days have actually been below seasonal this winter," says Weather Network meteorologist Kevin MacKay.

WATCH: WINTER TEMPERATURES IN SOUTHERN ONTARIO HAVE BEEN NOTHING TO COMPLAIN ABOUT

BEYOND: UP-AND-DOWN TEMPERATURES, SOME UNSETTLED CONDITIONS

Temperatures will slide back down once again to start the new month of March on Monday, feeling around seasonal for the southwest and GTA and a touch below for eastern Ontario.

By midweek, temperatures turn milder once again, but the late week holds some potential for the return of unsettled conditions, as well as another slip in daytime highs for the first weekend of March.

Be sure to check back for the latest weather updates across Ontario.

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