Miami, rain threat remains for the GP: FIA imposes Rain Hazard protocol. Here’s what changes
Race day in Miami is now almost certain to be affected by rain, and Formula 1 is trying to respond with new rules and emergency meetings to potentially reconsider the race start time.
Rain threatens the Miami GP
The updated regulations and technical developments introduced by almost all teams have so far delivered a surprisingly mixed competitive picture during the Miami Grand Prix weekend. In a weekend full of unexpected results compared to the first three races of the season, there is one forecast that remains unchanged: the weather.
Since Wednesday, increasingly alarming predictions have been circulating regarding track conditions, with a strong storm expected to hit Florida on Sunday, exactly during the fourth round of the 2026 Formula 1 season. The forecast has now been officially confirmed by the FIA, which has activated for the first time in history the new “Rain Hazard” protocol.
What is the Rain Hazard protocol
The new rule, approved at the start of the current season, allows teams to partially deviate from parc fermé conditions in specific cases where the FIA Race Direction declares a “Rain Hazard” situation ahead of qualifying or Sprint Qualifying.
This declaration is entirely at the discretion of the race director (currently Portuguese official Rui Marques), and can be triggered when there is a forecasted risk higher than 40%, based on official Meteo France data, of a wet race.
This is exactly the situation in Miami. The weather threat remains active, with rain showers expected in the morning followed by a stronger storm in the afternoon of Sunday 3 May, right around the time of the Grand Prix. The race start is currently scheduled for 16:00 local time.
Possible (limited) setup changes for teams
It is still not completely clear what the FIA’s Rain Hazard declaration will fully allow, as all permitted changes after qualifying and before the race are detailed only in a confidential document shared between the FIA and the teams.
According to reporting by Jon Noble for The Race, this is not a full cancellation of parc fermé rules, but rather a limited allowance for two types of adjustments aimed at adapting the cars for wet conditions without completely altering the setup chosen by engineers.
The main allowed changes would concern ride height and front wing flap angle. In wet conditions, the front wing would still be allowed to be opened on straights, while the rear wing must remain closed according to regulations.
The introduction of the Rain Hazard protocol and its limited parc fermé flexibility is mainly intended to prevent a wave of disqualifications in case of a wet race following a dry qualifying session.
Because movable wings remain partially restricted for safety reasons, cars generate higher vertical loads on straights (even with lower top speeds), which could lead to increased plank wear and therefore a higher risk of post-race disqualifications.
For this reason, the FIA initially allowed only limited front wing adjustments in wet conditions, and now also includes the Rain Hazard mode to adjust ride height and a few additional parameters.
Miami GP: will the start time change?
According to Sky UK, an emergency meeting involving senior F1 officials is also scheduled after qualifying to decide whether the race on Sunday should be moved forward by a few hours in order to avoid the peak intensity of the expected rainfall.
For now, the start of the 2026 Formula 1 Miami Grand Prix remains scheduled for 22:00 CET.
The activation of the first-ever Rain Hazard protocol in Miami therefore highlights Formula 1’s proactive stance on safety and technical fairness, allowing teams limited setup adjustments to handle the high probability of a rain-soaked Grand Prix while minimizing the risk of technical disqualifications.
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