The 2026 NXT Heatwave was a professional wrestling television special and livestreaming event produced by WWE. It was the fifth annual Heatwave produced by WWE for its developmental brand NXT and the 12th Heatwave overall. The event took place on Sunday, August 30, 2026, at Bert Ogden Arena in Edinburg, Texas, United States - right after Lucha Libre AAA Worldwide's Ola de Calor event in the same venue.