Why are weather forecasting sites so bad?

Just show me what's relevant! Weather forecasting in the US has got really bad for no real reason. I'm not talking about the accuracy, I'm talking about the way the data is presented. Oddly, it's the professional weather sites that are the worst. Here's what I want. I want a daily view of the weather for the next week. I want temperature highs and lows, chances of rain/snow when and how much, and…