Willie Nelson and his long-running Outlaw Music Festival canceled a concert in Oklahoma following an "extreme weather event" over the weekend.

The Outlaw Music Festival's concert in Oklahoma on Tuesday was canceled because of an "extreme weather event," Willie Nelson said in a statement posted on social media. Newsweek has contacted Nelson's representative for comment outside regular working hours.

As part of this year’s 4th of July Picnic lineup, Bob Dylan, the Mavericks, the Avett Brothers, Asleep at the Wheel, Tami Neilson, and Nelson and his Family Band will grace the stage for the eight-hour show. Read on for securing your 4th of July Picnic tickets for this year’s festivities in Austin.