I’ve made a small python script to plot your WRF domains. It simply creates a KML file that can be opened in Google Earth, taking your geo_em* NetCDF files as input.
Just go to the directory where the geo_em*.nc files are found, and run with:
It will create a KML file called domains.kml. Double-click on this to open in Google Earth.
Download the script [here]. Hope you like it.