062719 432 It’s very hot this afternoon in Iowa and forecasters say it’ll get even hotter tomorrow and through the weekend. In Siouxland, we can expect highs in the mid to upper nineties all weekend. The National Weather Service in metro Des Moines says temperatures are going to be getting up into the 90s across the state along with the humidity that’s already in place. The service told Radio Iowa that combining that kind of heat and humidity means at heat indices getting into the low 100s