Sunday
The system nosing its way into Nova Scotia on Saturday may potentially develop into a storm on Sunday which could also bring the threat accumulating snow (sorry) to all the of the Maritimes provinces before moving into Newfoundland later in the day. The question will most certainly be the track of this system.
The image above represents Sunday morning and it shows the potential for the snow over the Maritimes in the blue with the rain along the Atlantic Coast of Nova Scotia in green. If it skirts the Atlantic shoreline, precipitation could fall predominantly as snow, but a track further inland would mean more mild air and thus more rain. Either way it will likely be an unsettled day for most across the region.
The image also leads us into our next story which is the question of Ontario and Quebec’s forecast on Sunday: Will it be wet or dry?
As can be seen from the image above, that particular weather model is thinking a dry (and mild) day ahead, however there are other models that want to bring some rain into the region. Thankfully the more optimistic forecast is looking to be the more likely of the two so don’t change your plans just yet.
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On Sunday southern Saskatchewan and Manitoba will experience mainly dry conditions but also a large increase in temperature bringing their daytime highs into the mid-teens. At the moment the forecast is calling for a beautiful day in store but keep in mind windy conditions are expected to accompany the mild weather.
British Columbia is also expecting mild weather, however spotty showers are likely to continue along the coast. Temperatures in the interior however, may approach the 20 degree mark. This moisture is expected to move over the Rockies and could bring some light rain to parts of northern Alberta and northern Saskatchewan while keeping the southern regions of the Prairies dry.
Monday
Conditions look to remain unsettled over southern Newfoundland on Monday with snow likely falling through the early part of the day, however conditions in the Maritimes look to improve as the day wears on.
Southern Ontario and Quebec have another low pressure system looming leading to the possibility of a day with scattered showers across the region, but also milder temperatures. In fact, in the GTA and along the St. Lawrence, Monday is expected to be the warmest day of the long weekend.
The warm-up over the Prairies is expected to continue into Monday, as are the relatively dry conditions. The image above highlights this trend as can be seen by the deeper oranges and reds over the Prairie regions. This represents temperatures approximately 1500 m above the surface, which provides a good indication of the temperatures expected at the surface.
For Saskatchewan and Manitoba models are hinting at the potential for the moisture from the British Columbia system to form into a low that then tracks east along the Prairies, but even if that does occur, with temperatures so mild the precipitation will fall as rain as opposed to snow.
Coastal British Columbia will likely continue to see scattered showers on Monday, but temperatures will make it worthwhile as the forecast is calling for daytime highs on the coast in the mid to high teens with similar if not warmer temperatures in the interior. Alberta may also experience some of those spotty showers but it looks to be a mainly fair day with temperatures above the seasonal mark.
This is a long range forecast, so remember minor details may change. Stay tuned for your most up to date forecast for the long weekend ahead.
Thumbnail image courtesy of freeimages.com.
