New FIA rules ban ‘boost mode’ in rain ahead of Miami Grand Prix

While the F1 world had to hold out for a break after the official break, the Miami Grand Prix could very well be cancelled as well.

That is because of a pending storm over the Miami International Autodrome, which could bring thunder and lightning.

The concern is not just heavy rain, but the danger that comes with lightning strikes around the circuit. Under FIA safety regulations, a race cannot go ahead unless medical evacuation procedures are fully operational.

That includes a medical helicopter on standby. If lightning or severe weather grounds that helicopter, the race is immediately at risk of delay or suspension. In extreme cases, it could be called off entirely.

That looming weather threat has already placed Miami on edge, but it is not the only talking point heading into the weekend. The FIA has also used the break to introduce a set of subtle but important rule adjustments that could influence how teams and drivers approach the race.

One of the key changes is the closing of a loophole around engine usage. Teams had found ways to extract additional performance under certain conditions, something the FIA has now moved to restrict in an effort to maintain fairness across the grid.

Another major tweak involves the use of electrical deployment, often referred to as “boost mode”. With the 2026 power units delivering sharp bursts of torque, drivers have struggled with traction, particularly in wet conditions.

To address this, the FIA has effectively removed the use of this extra power in wet weather scenarios, aiming to reduce wheelspin and improve overall car control.

With unpredictable weather and fresh regulations in play, the Miami Grand Prix is shaping up to be a test of both adaptability and caution. Whether the cars even take to the track may ultimately depend on the skies above.

Jehran Naidoo is sports reporter for Independent Media and social media coordinator of the our YouTube channel The Clutch.