Warm and sunny Sunday, but 90s by mid-week

AUSTIN (KXAN) -- We've got another big day of sports in Central Texas with the Formula 1 U.S. Grand Prix at Circuit of the Americas! The weather should be fantastic with temperatures starting in the upper 50s to low 60s this morning before rising into the mid 80s this afternoon. We'll have mostly sunny skies with dry and comfortable air.U.S. Grand Prix forecast for SundayThe Heat ReturnsTemperatures will gradually climb over the coming days as high pressure slides in overhead.High pressure warme