Spring-like warmth, Heavy Rainfall and A Flash Freeze Highlight This Evening’s Forecast
A powerful storm currently moving through the Great Lakes is now arriving in Newfoundland and Labrador, bringing a complicated mix of weather that includes snow, wind, heavy rain, unseasonably warm temperatures, and even the potential for a flash freeze in parts of the region.
This system will impact both Labrador and the Island in different ways, but the common theme across the province will be dramatic temperature swings and rapidly changing conditions.
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Labrador: Snow First, Then a Sudden Warmup
The storm begins in Labrador with a burst of snow tonight into early Tuesday. Most areas are expected to see 5–20 cm, with higher totals possible in northern regions. Because of this, Environment Canada has issued snowfall and winter storm warnings across much of Labrador.
But the snow will not last long.
A surge of unusually warm air will quickly move north overnight and into Tuesday as the storm tracks into Quebec, placing Newfoundland and Labrador on the warm side of the system. Temperatures across Labrador will climb above freezing during the day Tuesday, and some areas could approach 10°C — extremely mild for this time of year.
The warmth will be accompanied by strong winds, particularly from Eagle River westward through Labrador City and Wabush where gusts could reach 90 km/h.
However, the warmth will not stick around.
As colder air rushes back in Tuesday night into Wednesday, temperatures will plunge rapidly. In western Labrador, temperatures could fall from around +8°C to near –21°C in less than 24 hours, creating the potential for a flash freeze where standing water quickly turns to ice
Newfoundland: Heavy Rain and Springlike Temperatures
On the Island, the biggest story will be very mild temperatures and heavy rain, especially along the south coast.
Rainfall warnings are already in effect from Channel–Port aux Basques east to Burgeo and Ramea, where totals could exceed 100 mm by Wednesday morning in some locations. Forecast guidance suggests totals around:
114 mm – Burgeo
99 mm – La Poile
85 mm – Rose Blanche
84 mm – Ramea
These totals are possible because the storm is tapping into a very moist air mass originating from the tropics. The atmosphere will contain an unusually high amount of moisture for this time of year, essentially creating a short-lived atmospheric river aimed at Atlantic Canada.
Elsewhere across the Island, rainfall totals will generally be lower, though periods of showers are expected.
Windy Conditions
The system will also bring gusty winds.
While widespread wind warnings have not yet been issued for most of the Island, gusts could reach 80–90 km/h in some areas. The exception is the Wreckhouse region, where a wind warning is in effect with gusts potentially reaching 110 km/h. Drivers of high-profile vehicles should take particular care in that area.
Temperatures Soar
The warm air moving in is impressive for mid-March.
By Tuesday afternoon and evening, temperatures across Newfoundland will rise well above freezing. Some locations could approach the low-to-mid teens, particularly in central and eastern areas.
Snow cover and wind will limit just how warm things get, but it will still feel remarkably mild.
The System Moves Out Wednesday
The storm gradually pushes offshore late Tuesday night into Wednesday morning. Temperatures will peak early Wednesday before colder air takes over again for the rest of the day.
After that, the weather pattern looks quieter with temperatures returning closer to seasonal levels through the end of the week.
Stay Up to Date
With such a dynamic weather setup — snow, heavy rain, strong winds, and a potential flash freeze — conditions will change quickly over the next 24–48 hours.
I’ll have my next update posted tomorrow morning!
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