Another Round Of Snow For Wednesday — Followed By More Arctic Air Thursday
Other than being cold, the weather across Newfoundland and Labrador has been fairly quiet lately. We’ve had a widespread mix of sun and cloud, and overall it’s been manageable. Unfortunately, Wednesday won’t stay that way. A developing low pressure system to our south — currently bringing snow to parts of New England and messy weather into the northeastern U.S. — will track from near western Nova Scotia in the morning to southeastern Newfoundland by evening. That puts us back into a more active pattern for the middle of the week.
Quiet Tonight
Before the system arrives, tonight stays calm.
Island lows: -5°C to -13°C
Labrador lows: -19°C to -27°C
Wind chills will make it feel colder, especially in Labrador where readings will dip into the -20s and -30s.
No issues overnight — the trouble begins tomorrow.
Snow Arrives Wednesday Morning
Snow begins in southern and southwestern Newfoundland around 5–6 AM.
By 9 AM, snow reaches:
The south coast
Burin Peninsula
Southern Avalon
By midday, snow expands across:
The Northern Peninsula
The West Coast
Much of central and eastern Newfoundland
As the low tracks overhead, the rain/snow line will push northward. That means parts of the Avalon North and St. John’s Metro could see snow ramp up quickly before briefly mixing with or flipping to rain just before it ends. The heaviest snowfall rates of. 2 to 4 cm/hr will occur between 12 PM and 3 PM. By 5–6 PM, precipitation should be finished, and we may even see some sunny breaks before sunset.
But before that? It could get gnarly. If you remember last week when snowfall rates picked up quickly for a couple of hours and made travel messy — tomorrow may feel very similar.
Snowfall Amounts
Across Newfoundland and southern Labrador, most areas will see:
5–10 cm
Some locations closer to 2–5 cm
Parts of the Burin and Avalon Peninsulas may exceed 10 cm
A few localized pockets could approach 20 cm, though that likely won’t be widespread
For St. John’s Metro, the expectation is:
5–10 cm total
Heaviest rates between 12 PM and 3 PM
Snowfall rates of 2–4 cm per hour during peak intensity
That’s enough to create reduced visibility and difficult travel for a time, but this is not shaping up to be a major event — more of a nuisance system.
Wet, Heavy Snow
This won’t be the light, fluffy stuff. Temperatures will be near zero as the system moves in, and much of the snow is coming from the warm sector of the storm. That means heavier, wetter snow — the kind that sticks to everything and is tougher to shovel. North of roughly Rocky Harbour, highs stay colder at -5°C to -8°C. In Labrador, highs range from -10°C to -22°C.
Arctic Air Briefly Returns
The colder air sitting over the north and west is the leading edge of another Arctic push. Thursday turns sharply colder again across much of Newfoundland and Labrador — similar to what we experienced earlier this week. But there is good news. Once we get past Thursday, a ridge builds in the jet stream and that Arctic air begins to retreat northward.
Milder Weekend Ahead
As we head into the weekend and early next week:
Highs between 3°C and 5°C
Lows near zero
Aside from a few rain showers — possibly a rain/snow mix Sunday — the pattern looks relatively tame
We’re not talking about a big warmup into double digits, but a few degrees above freezing will feel noticeably milder compared to the deep cold we’ve had. We’ll also be heading into Daylight Saving Time, with clocks going ahead at 2:00 AM Sunday morning — longer evenings are coming.
I’ll have my next update posted tomorrow morning!
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