Many of our viewers have reached out asking why their cars are covered in dirt and mud. So, we asked our TV 6 First Alert ...

It's called cloud condensation nuclei or CCN, which can come in many forms, but last night's rain used dust particles from the dust storms across the plains as CCN.

Many Iowans likely woke up to a film of brown dust on their cars, trash cans and sidewalks. Here's why the rain was dirty: ...