Winter Storm Arrives in Eastern Newfoundland This Evening, Brings Heavy Snow and High Winds Into Monday
Timing and Overview
Snow will begin to move into the eastern Avalon Peninsula this evening, generally between 7–9 PM, becoming heavier overnight before tapering off around 6–7 AM Monday. Conditions are expected to improve fairly quickly after the morning commute as the system pulls away.
The storm is associated with a strengthening area of low pressure tracking northward and passing just east of the Avalon overnight.
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Warnings and Alerts
Winter Storm Warning: Avalon Peninsula
Snowfall totals: 15–30 cm
Wind gusts: up to 70 km/h
Special Weather Statement: Clarenville and Bonavista Peninsula
Periods of accumulating snow late tonight into Monday morning
Expected Snowfall Amounts
Eastern Avalon Peninsula:
Widespread 15–25 cm, with locally higher amounts possible
Higher terrain could see 25–30 cm
Western Avalon Peninsula:
Generally 15 cm or less
Burin Peninsula / Clarenville / Bonavista Peninsula:
Around 5–10 cm
Areas west of these regions:
Little to no accumulation expected
While there is always some uncertainty with winter systems, confidence is fairly high that the St. John’s metro area will end up close to 20 cm, with localized variations depending on elevation and exact storm track.
Snowfall Rates and Travel Impacts
Snowfall rates may reach 2–4 cm per hour for several hours overnight, particularly on the eastern Avalon. Combined with northerly winds gusting to 70 km/h, this will lead to areas of blowing and drifting snow, along with reduced visibility at times.
The heaviest snow should be finished before the peak of the morning rush hour, though some slick and snow-covered roads are likely early Monday.
Temperatures
Overnight lows: −4 to −5°C on the Avalon
Elsewhere on the Island: −5 to −11°C
Labrador:
Overnight lows in the minus teens to minus 20s
Cold and quiet conditions continue
Colder temperatures will help keep snow relatively dry, increasing the potential for drifting.
Monday and Beyond
Lingering flurries are possible Monday morning, especially over the Bonavista Peninsula and parts of the northeast coast, but conditions will steadily improve through the day. By afternoon, the system pulls away and travel conditions should improve significantly.
Looking ahead, the broader pattern suggests:
Milder temperatures mid-week
A mix of rain and snow chances later in the week
No major Arctic outbreaks in the immediate forecast
Bottom Line
This is not a blockbuster storm, but it is a meaningful winter system for eastern Newfoundland. Snowfall totals in the 20–30 cm range will require cleanup and caution overnight, especially on the Avalon Peninsula.
Further updates will be provided as the storm unfolds.
I’ll have my next update posted tomoorrow morning!
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