FORECAST: WeatherUnderground — Mostly sunny with a high 83 degrees and winds from the south to southwest at 10 to 15 mph. It's expected to be 80 degrees with a 0% chance of rain at the start of the Xfinity race.

Since 1968, Sonoma Raceway has been taken to by race car drivers from across the globe, particularly those who have staked their names and raced their careers in the NASCAR Cup Series. Since taking the place of the legendary Riverside International Raceway on NASCAR's schedule in 1989,