Follow live coverage of FP3 and the rest of the United States Grand Prix weekend from Austin with F1i.

So far only one practice session has been possible, with Nico Rosberg topping a wet FP1 on Friday morning before torrential rain hit the Circuit of the Americas. As a result, the afternoon session was cancelled completely, with lightning in the area and the lack of a medical helicopter preventing any running.

Despite further heavy rain, the FIA is trying to run FP3 at the scheduled time of 10am local time, although the circuit itself is closed to spectators until midday. Any running that does take place in FP3 could decide the grid if qualifying is unable to be held on Saturday afternoon or Sunday morning.

No teams are allowed to use the intermediate tyre at the start of the final practice session, with the FIA stating only full wet weather tyres will be permitted until further notice.

The heavy rain and high winds - pushed in to Texas as a result of Hurricane Patricia in Mexico - are forecast to continue throughout Saturday and in to Sunday morning. However, the weather is set to improve on Sunday afternoon, which should allow a race to take place.

LIVE: United States Grand Prix FP3

Technical analysis: Exclusive pictures of the 2015 Honda power unit

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Andrew Lewin

Andrew first became a fan of Formula 1 during the time when Michael Schumacher and Damon Hill were stepping into the limelight after the era of Alain Prost, Nigel Mansell and Aryton Senna. He's been addicted ever since, and has been writing about the sport now for nearly a quarter of a century for a number of online news sites. He's also written professionally about GP2 (now Formula 2), GP3, IndyCar, World Rally Championship, MotoGP and NASCAR. In his other professional life, Andrew is a freelance writer, social media consultant, web developer/programmer, and digital specialist in the fields of accessibility, usability, IA, online communities and public sector procurement. He worked for many years in magazine production at Bauer Media, and for over a decade he was part of the digital media team at the UK government's communications department. Born and raised in Essex, Andrew currently lives and works in south-west London.

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