Thundersnow occurred across West Michigan Wednesday night. Unlike typical thunderstorms ... and only occurs in intense snow storms. Like any good thunderstorm, thundersnow needs instability ...

The Weather Channel itself has a good explanation for why thundersnow is so rare and what conditions have to be met for it to occur. It essentially boils down to this: “When the unstable layer ...

Some thundersnow is not out of the question ... and then we will see a few showers by Friday night. The next chance of rain and snow moves in Sunday and Sunday night. Minor, slushy snow ...