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Thanksgiving Weekend: Who'll be gobbling up the sunshine?

The Weather Network logo The Weather Network 2017-10-03
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With a big travel weekend coming up, Canadians will be keeping a weather eye as they make their plans for the holiday.

Get a first look at your forecast, coast to coast, with The Weather Network meteorologist Brad Rousseau.

KEEP ON TOP OF ACTIVE WEATHER: Visit the Alerts section of the website

Atlantic Canada

  • High pressure moves in Saturday behind a fast-moving low
  • A few morning showers Saturday for Newfoundland, otherwise sunny skies and mild temperatures across Atlantic Canada
  • Conditions across the region deteriorate overnight Saturday with stormy conditions settling in for Sunday
  • Scattered showers Sunday across the Atlantic provinces, with gusty southeasterly to southerly winds
  • Showers become more isolated and intermittent for the Maritimes Sunday afternoon
  • High pressure redevelops Monday in the wake of the low, but the forecast for Monday is tricky
  • Fair conditions are expected across the Atlantic provinces for Monday, however, a potential tropical system may impact the forecast
  • Current model guidance suggests remnants of this system - if it develops - may impact parts of the Maritimes on Monday
  • Generally mild temperatures should prevail through the weekend with dominant southerly flow pushing highs into the mid-to-upper teens

Quebec and Ontario

  • Strong low pressure system moves into Ontario on Saturday, spreading rain, strong winds, and possibly thunderstorms across the south
  • Gusty winds accompany the strong low, with gusts anywhere from 50 to 70 km/h; highest near the lakes
  • Mild with increasing clouds for southern Quebec on Saturday, with showers reaching Montreal in the late afternoon or early evening
  • The one consolation for Ontario is that temperatures are expected to continue to run above seasonal with temperatures getting into the mid-teens and into the high teens to low twenties for southern portions
  • Showers clear on Sunday, west to east, with fair conditions expected for southern Ontario in the morning and through southern Quebec by noon
  • Scattered showers and unsettled conditions continue for northwestern Ontario on Sunday, thanks to an area of low pressure in the Prairies
  • Monday's forecast depends on the development of a potential tropical system - which would be named Nate
  • The strength of the tropical system may dictate how far east or west an expected low pressure system lies across the Great Lakes, and that in turn makes the difference between a dry Monday and a total soaker
  • Current model guidance suggests dry, but warm and humid, conditions are likely; this day is the 'one to watch' for the long range forecast
  • Mild, even slightly above-average, temperatures are expected through the weekend across the region

Prairies

  • Unsettled conditions prevail through much of the long weekend
  • A broad area of low pressure develops over the central Prairies on Saturday
  • This low brings very spotty showers to Alberta and Saskatchewan on Saturday, becoming more widespread Saturday evening and overnight
  • Some mixed precipitation is possible for Alberta and southwestern Saskatchewan Saturday night, though significant accumulations of snow are likely to be confined to the Cypress Hills
  • Gusty winds are expected with the low, particularly across Saskatchewan on Saturday
  • Sunday the low shifts east slightly, with continued showers for Saskatchewan as well as steadier rain moving into Manitoba
  • Rain/snow mix is likely on the back edge of the system, with light accumulations possible
  • Rain/snow mix is also possible for the higher elevations of western Manitoba Sunday night and pre-dawn Monday
  • Monday sees a continuation of unpleasant conditions across the Prairies
  • Scattered rain-snow showers possible in the morning for southern Alberta and from Winnipeg in a band stretching northwest through Saskatchwan
  • A change over to rain is expected through the day, though strong northwesterly winds will continue to batter Saskatchewan and Alberta

British Columbia

  • A Pacific system that moves in on Friday will linger Saturday, bringing scattered showers across much of the province, with higher-elevation snow in the east
  • Heaviest snow is expected Friday night through Saturday morning, with some light snow persisting through the day - again, at higher elevations
  • Snow will make travel difficult along mountain passes through the Rockies
  • Lower Mainland showers taper off Saturday afternoon, though spotty showers are likely to continue in the Fraser Valley
  • Spotty showers continue Sunday across the Fraser Valley, as well as in the Interior, with higher-elevation snow
  • Fair conditions and highs in the mid-teens are expected for the Lower Mainland on Sunday
  • An area of high pressure settles in Monday, bringing fair conditions across much of the province
  • Temperatures on Monday will climb slightly above seasonal for many, thanks to sunny skies under the high

Stay tuned to The Weather Network and theweathernetwork.com for updates as we approach the holiday long weekend.

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