the weather maps seem to miss the I-80 corridor from San Francisco to Reno.
Perhaps it is just my chrome browser on the PC and it works in the car. The thumbnails show complete coverage, but the enlarged version seems to be cutoff. Actually after selecting several, there are lots of areas that are missing due to this. I just noticed Sacramento because that is where I live.
edit: OK, I found the problem. It is the widescreen format of my computer monitor. When I change the format to ~4:3 the problem goes away. It probably works perfect in portrait mode of the Model S.