In short: not really. They live at such high elevation that there is little rain and when it does rain is a non issue because they immediately go into hiding. The stress and the cold (because it takes FOREVER for them to dry) can inset hypothermia which can lead to death. They are quite a sensitive little rodent.
http://smallpetselect.com/chinchilla-guide/can-chinchillas-get-wet
Sent from my mind to my fingers to my phone to the MFK servers to you
