Absolutely!
Use the Wishlist as this is for community voting for things you’d like to have implemented in MSFS.
Make a new post in the Wishlist and explain that this was removed for Live Weather, but that you wish to have it back as custom weather settings. 
@mswins20,
There is a wish about decoupling snow:
https://forums.flightsimulator.com/t/inaccurate-snow-and-the-ability-to-decouple-or-turn-off-snow-on-ground-from-live-weather/273067
However, I do not see one about customizing snow for the taxi/runways of which should be a separate custom item.