Threat for locally strong thunderstorms with the potential for damaging winds across southwestern Ontario Sunday afternoon and evening as a potent cold front approaches.
The combination of this front and the remains of Karen will lead to a widespread, significant rainfall for about a 6 to 8 hour period early next week over eastern and parts of Atlantic Canada.
Confidence is high that temperatures over the northern and eastern half of Canada will average above-normal the next three weeks. That does not mean that there will not be any chilly weather, but that there will be more warmer days/nights compared to the colder ones.
Forecast pattern clues through most of July.
Thunderstorms this weekend and a look at the long range.
Some new clues to the summer and fall season.
Amplified jet stream pattern will keep forecasters on their toes over the next week or so.
Weather pattern clues for the next several weeks.
A look back at May and the spring of 2016 in terms of temperature departures.