The atmosphere is very unstable these days. Among many small storm cells that developed and dissipated around Koprivnica, here’s one that formed roughly 25 kilometers away.
As it grew in the west, it obscured the Sun so many cloud shadows and crepuscular rays could be seen.
A bit later, when it developed to its maximum extent.
Here is what it looked like on the weather radar. It’s the cell southeast of “VZ” label.