FIA issues Heat Hazard warning as rain also looms over Singapore GP weekend
John C. Malone steps back at Liberty Media - Photo: Red Bull Content Pool
Kieran is a freelance Formula 1 journalist for GPblog, covering breaking news, live race blogs and feature content across the F1 calendar. An NQJ-qualified journalist with more than a decade of experience, he has previously written for publications including MailOnline, the Manchester Evening News and the Eastern Daily Press.
The FIA has issued a Heat Hazard for this weekend’s Singapore Grand Prix, with temperatures to exceed 31 degrees.
The guideline, first introduced for the 2025 season, allows teams to fit advanced driver cooling systems during the race weekend. The systems are not mandatory, however, and if drivers opt against them, their cars will be fitted with ballast to offset the 5kg weight of the devices.
The FIA previously declared the Heat Hazard protocol at this season's races in Austria, Monza and Malaysia last weekend.
.A statement from FIA Formula 1 Race Director Rui Marques read: “In accordance with Article B1.5.10 of the FIA F1 Regulations, having received a forecast from the Official Weather Service predicting that the Heat Index will be greater than 31.0 °C at some time during the Race at this Competition, a Heat Hazard is declared.”
It means drivers could be in for a tough Sunday, as Singapore has long proven itself as the most physically demanding race on the calendar, as humidity combines with a tough track layout, pushing drivers to their limits.
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Singapore Grand Prix weather forecast
Thunderstorms are forecast for the Singapore Grand Prix, in an immediate test for the FIA's emergency software fix from Sepang.
There is currently no rain on the forecast for Friday and Saturday's track action in Singapore but thunderstorms are predicted for the Grand Prix on Sunday, with temperatures expected to range between 28C and 33C.
Formula 1 will be hoping to avoid a repeat of the scenes from Sepang, where extremely low speeds behind the safety car triggered an unexpected problem with the FIA software at Sepang, with the start descending into chaos.
Eventual race winner Max Verstappen was the first to be affected with a lack of power, after which, Lewis Hamilton came to a standstill as other cars also suffered the same issue. Teams had to download the FIA's emergency fix before the race could get back underway.
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