Welcome to race day at the Indianapolis Motor Speedway, where the weather is expected to be almost perfect for the 2004 United States Grand Prix, due underway at 1200 local time (1700 GMT).
Yesterdays fine conditions are expected to be repeated, with an ambient temperature high around 25 degrees Celsius and strong sunshine. This afternoon's race is scheduled to run over 73 laps of the 4.192km course.