Rain forecast for Canada GP

That is my guess, and it make sense.

But I would have be helpful with some conformation.

Time zones

All notices on yr.no are displayed in local time for the city to which the notice applies. I.e. that a notice for e.g. Beijing in China is shown in Chinese time; 12 o'clock is therefore the middle of the day.

Yr.no timezone

If this is local (it's a Montreal site so probably) and we're working with -4 UTC then quali is at 1700 on the 8th, right by a peak, and then the race is at 1500, near another peak.

I wish I remembered/knew how much rain fell at other races -- hopefully they get to drive.