Using the latest official patch, I really love the weather depiction and textures. I have just one small complaint, the clouds. Basically I see way too many patterns in the sky, mostly clouds but displayed in boxes or straight lines, it looks very unrealistic. Is this caused by the option to extend stations or something? Would like suggestions for how to get rid of it.

I'm using DWC if that helps.

Try disabling overcast enhancement and see if that helps.