A protracted-duration ice twister will get on monitor for parts of Ontario this weekend break as a number of rounds of icy rainfall swing all through the realm.
We’ll see a pointy comparability in between air lots over the district, bringing snow to Ottawa, primarily rainfall for Toronto, and appreciable ice accumulations for quite a few neighborhoods in between.
Visit our Complete Guide to Spring 2025 for a radical think about the Spring Forecast, recommendations to arrange for it and way more!
Significant ice accumulation will probably end in some important results as roads find yourself being hazardously unsafe and high-voltage line find yourself being slowed down by the hefty ice. Folks have to anticipate appreciable results to traverse the weekend break, and any particular person within the space have to plan for localized power outages.
Be sure to examine highway conditions and local weather alerts previous to going out if required.
DON’T MISS: Freezing rain and ice pellets are dangerous winter hazards
Round 1 will get right here Friday night time proper into Saturday
A pointy comparability in between cozy air to the south and chilly air to the north will definitely create all the vary of icy local weather all through Ontario this weekend break. Precipitation will definitely press proper into the southerly fifty p.c of the district by way of the final fifty p.c of the day Friday.
SNOW: By Friday night time, we’ll see snow in northeastern Ontario press alongside the Ottawa Valley in the direction of the National Capital Region– and afterwardson toward Montreal These places can see 10-20 centimeters of snow by way of Saturday.
ICE: Freezing rainfall will definitely create japanese of Georgian Bay on Friday night time, overlaying neighborhoods north of Parry Sound to Barrie and Orillia, after that japanese in the direction of Bancroft, Peterborough, andKingston It’s possible that parts of the Greater Toronto Area (GTA) can see a brief period of freezing rainfall.
Ice accession can get to 15-20 mm (1.5-2 centimeters) within the hardest-hit places. Beware exceptionally shiny actions, pathways, driveways, and roadways all through and after freezing rainfall. This a lot ice accumulation can lead to tree damages and downed high-voltage line, presumably result in sturdy energy failures all through the impacted places.
RAINFALL: We’ll see easy outdated rainfall create Friday mid-day all through southwestern Ontario, consisting of neighborhoods from Toronto down in the direction of Windsor.
Freezing drizzle risk on Saturday
The threat for topping won’t scale back when the preliminary of rainfall winds down on Saturday.
SEE LIKEWISE: What weather can Canadian voters expect on April 28? A historical look
It’s possible that chilly drizzle can drop on Saturday all through the exact same locations that noticed freezing rainfall in a single day, which may step by step embrace much more ice onto what has really at present collected.
Our following spherical of appreciable rainfall will definitely adhere to the chilly drizzle threat by Saturday night.
Round 2 will get right here with a Colorado diminished
A Colorado low is anticipated to trace proper into Ontario alongside the exact same restrict that introduced the very first wave of icy rainfall to the realm.
Luckily, this restrict will finally press north by way of the day on Sunday, allowing temperature ranges to climb and the danger for snow and ice to vary. As an end result, the temperature degree divide won’t be as terrific on Sunday as we noticed a day beforehand.
SNOW: We’ll see snow create additional north this second about, influencing northeastern Ontario and the Lake Superior coastlines. These places can see an additional 15-25 centimeters of build-up by way of Monday.
ICE: As the comfortable entrance relocate, freezing rainfall is possible Sunday early morning all through the GTA previous to temperature ranges cozy within the mid-day. Some places japanese of the GTA would possibly see freezing rainfall proceed a bit for much longer, with a quick millimetre or extra of accession which may end in unsafe issues.
DON’T MISS: Sweet or sticky? How weather can make or break maple syrup season
Freezing rainfall is most probably for the exact same places that noticed ice from the preliminary of rainfall– but it won’t final as lengthy this second, and it’ll press additional north in the direction of Ottawa, the Ottawa Valley, and proper into northeastern Ontario.
Another 5 mm of ice accession is possible for places that at present noticed freezing rainfall, with upwards of 2-5 mm of ice possible for the Ottawa location. For places that noticed snow from the preliminary of rainfall, this may actually present the contemporary snow an icy overlaying that may actually make shovelling far more difficult.
Stay with The Weather Network for much more projection information and updates in your local weather all through Ontario.
