ExpiredNews - Long weekend forecast: Below-seasonal temperatures for parts of Canada - The Weather Network


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You likely won't be swimming for this upcoming long weekend. Does the pattern change afterwards?
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Saturday will continue to feature fair weather for most of Atlantic Canada and from Saskatchewan to Ontario. Scattered showers are possible across Southern Ontario during the afternoon, but much of the day will be dry. Rain will continue across parts of Quebec and showers are likely for southern Alberta and British Columbia.

There is a notable lack of 20 degree temperatures on the temperature forecast map below but parts of Atlantic Canada, including Fredericton and Charlottetown, should reach 20ºC and Winnipeg will be close at 18ºC.

Weather systems will be moving slowly across the country during the weekend, so we do not see any major changes as we head into Sunday. The most significant change will be the increasing threat for showers across southern and central Saskatchewan, though this should not be an all-day washout. The showers for Alberta and B.C. should be more scattered on Sunday and the threat for rain will increase over the western Maritimes.

Sunday will feature highs near 20ºC for Winnipeg, Regina, and Fredericton. Southern Ontario and southern Quebec will see temperatures recover several degrees compared to Saturday, though still below seasonal.

For Victoria Day, the threat for unsettled weather continues for parts of the Prairies. However, there is considerable disagreement among the models as to where the threat for rain will be the highest. Several models shift the highest threat for rain into Manitoba (as indicated by the map below), but we are concerned that the wet weather across southern Alberta may well linger into Monday.

Victoria will be the warmest day of the weekend for southern Ontario. From the Rockies to the Maritimes, high temperatures in the upper teens will be widespread. However, an easterly flow off of the Atlantic will bring grey skies and single digit high temperatures to eastern Newfoundland.

Regardless of the weather, I hope that you have a safe and enjoyable long weekend.

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