Extreme weather is expected in Miami today, forcing a change of start time to the 2026 F1 Miami Grand Prix in a bid to miss the worst of the thunderstorms to come. Will the race later today be affected? The National Weather Service in Miami has warned of heavy rain and thunderstorms for Miami Grand Prix race day throughout the week. Miami is expected to receive significant rainfall throughout the day, with a good chance of thunder, lightning and hai... [750 chars]