Why is the temperature map so red - how political is the weather report?

In the past, a weather report was simply a forecast of the weather. But today, any good weather app can do that. Good weather reports are therefore much more today. They explain, they classify, they put the important facts into perspective and they talk about climate change. They show how the world is changing. And the discussions begin. Have the temperature maps always been so red, or was the colour changed to dramatise climate change? Suddenly, the focus is no longer on the weather, it is on the way it is presented. How political is the weather report today? Which topics make it into the weather report?