Montréal has a habit of turning the Canadian Grand Prix into an exam you didn’t revise for, and 2026 might be setting up as exactly that — only this time the questions are being written on the fly.
The FIA has already labelled Sunday’s race a Rain Hazard event, with the call hinging on a greater-than-40% chance of wet conditions and forecasts pointing towards light rain through much of the day. That would be noteworthy in any season. In the first year of a new tyre package — with reduced tyre widths and a wet/intermediate range nobody’s had to race in anger yet — it’s the kind of scenario that can scramble assumptions up and down the pitlane.
Pirelli hasn’t had the chance to properly unleash its 2026 wet-weather tyres in race conditions so far. There’s been testing “up and down the grid”, but tests don’t reproduce the messy reality of a Grand Prix: cars running in traffic, evolving grip, cooling track, spray, pressure, and the sheer impatience that creeps into strategy calls when everyone’s convinced they can steal a second by being brave first.
Simone Berra, Pirelli’s chief F1 engineer, isn’t hiding from the potential headache. In fact, he’s basically circling Montréal on the calendar as the worst possible place to learn what the new wet tyres really are.
“Here, I think is the perfect storm,” Berra said, pointing to the expected cold — 11 to 12 degrees in the air — and a circuit he describes as low-energy. If rain arrives, track temperatures are likely to sit in the same uncomfortable band. And that matters because, as Berra puts it, it’s not simply about how quickly the tyres warm up. It’s whether they can *stay* there.
The risk, in Pirelli’s view, is that the tyre drops out of its working range and never finds a way back. When that happens, it’s not a gentle decline in performance — it’s drivers “with no grip”, unable to generate enough temperature to recover, and suddenly you’re skating rather than racing.
That’s where the conversation gets interesting, because Berra is leaning towards a conclusion that would feel like heresy in modern F1: at the right kind of cold, the full wet could be the quicker tyre than the intermediate.
His reasoning is straightforward. The wet carries “more compound” and, crucially, a lower working range, so it should struggle less than the intermediate when the track is cold and the circuit doesn’t load the tyre hard enough to build heat. In other words, Montréal in light rain and low temperatures isn’t necessarily an “inters all day” event — it could be one of the few races where the wets actually make sense as a performance choice, not just a visibility and safety one.
There’s also a recent reminder in the sport’s collective memory. Berra referenced a wet Canadian race “already two years ago” when Haas started on the wet tyre, ran eight laps, and was quicker. The context has shifted — not least because 2026 tyres aren’t 2024 tyres — but the takeaway remains: this place can reward the unfashionable call if the conditions line up.
What makes this weekend feel prickly isn’t just the forecast. It’s the fact that the grid doesn’t share the same level of familiarity with how these tyres behave when everything goes sideways. Alpine’s Pierre Gasly, who most recently did wet running at Magny-Cours, has already been warning other drivers that they’re “going to be shocked” by the way the new rubber handles. That’s not the sort of quote that calms anyone down on a Saturday evening with rain on the radar.
Lando Norris was similarly blunt about his enthusiasm levels, admitting he’s “not looking forward to it” if it turns wet, and suggesting “there could be a lot of chaos” because drivers’ knowledge of the 2026 compounds varies wildly. That’s an important point: if half the field feels comfortable leaning on what the tyre will do on a greasy track and the other half is guessing, you don’t just get different lap times — you get different braking points, different confidence through the same corners, and a higher chance of people arriving at the apex with contradictory ideas of how much grip exists.
For the strategists, the bigger trap might be the classic Montréal cocktail: low grip, low temperature, and intermittent rain that isn’t heavy enough to force an obvious tyre choice. If the full wet is genuinely in the fight on a cold track — and Berra clearly thinks it could be — teams could be tempted into a gamble that looks wrong on paper but right on the stopwatch. The danger is that the call is incredibly sensitive to small shifts in track temperature and water level. One shower intensifies and the intermediate falls off a cliff; one shower fades and the wet begins to overheat and grain. In a season where nobody’s gathered proper race data yet, the margins for error shrink.
So if you’re looking for the real storyline on Sunday, it’s not just “will it rain?” It’s “will anyone trust what they’ve learned?” And in a year where the sport is still calibrating itself to a new technical reality, Montréal might be about to hand out a lesson the hard way.
