Here is the updated weekly long-range outlook through the rest of the month.
The Arctic Oscillation (AO) should remain solidly positive over the next 10 days, which would keep the coldest air more north and also support the current fast steering flow across southern Canada and the northern U.S.
Also, the Pacific North American (PNA) pattern will likely trend more negative over the next 10 days and this supports a colder, wetter pattern in the West and a milder pattern in the East.
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Dry and hotter pattern in store for southern B.C. into next week, while the east turns cooler and more unsettled.
Potential for a significant storm later Sunday into Monday from Ontario to Quebec with heavy rain, severe thunderstorms, wind and snow.
Late-season snow for the western Prairies later this week and a look at the weekly long range pattern.
Major storm to inundate eastern Canada with rain and wind Thursday followed by a change to snow later Thursday night into Friday.