 weekend is here and so is chief meteorologist james adelot our warm-up takes a little break today and tomorrow with a couple of pop-up thunderstorms now the odds of seeing one of those pop-up thunderstorms are a little higher southeast of tulsa tulsa's highest chance probably happening saturday afternoon and evening and then get ready for the heat to build heat index above 100 sunday and the air temp hitting 100 by wednesday your five-day forecast is coming up