If dry, Red Bull are thought to be clear favourites, however, McLaren insist that they will be contenders in both Canada and again two weeks later in Valencia.
However, the latest weather forecast has Friday as being overcast, isolated storms on Saturday and rain for much of Sunday, indeed, the poor weather is expected to last until the middle of next week.
Montreal can usually be counted on to spring a few surprises, with few of the races there ever described as processional. However, with the added bonus of changeable weather conditions to spice things up we could be in for an exciting weekend. Let's hope so.