Who won the NASCAR Xfinity Series race at Sonoma? Connor Zilisch is the winner, plus full NASCAR Xfinity Series results at Sonoma Raceway.

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.

The NASCAR Xfinity Series returns to the Windy City on Saturday for The Loop 110 and the only street race on the season calendar.