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.

Then, I got into work to messages on ReportIt of dust, dirt and ash falling onto peoples cars Friday night. Below is a picture Adam Parker sent to us of his car covered in this dusty, smoky rain.