Jane Towler was up late in a small cabin along the Guadalupe River as thunder boomed through a thrashing rain. It was 4 a.m.

Country Thunder organizers have issued an extreme heat advisory ahead of tonight’s concert at Princess Auto Stadium, with humidex values expected to exceed 40°C.

Country’s fastest rising star and Academy of Country Music’s 2020 New Male Artist of the Year, Riley Green will headline Country Thunder on July 10.