Links
Piskel
A pixel art website which is pretty good.
ECMWF Meteograms
Do you understand how ensemble forecasting works? Would you like to potentially know the weather slightly further in advance? There are lots of other charts there that are interesting if you like this sort of thing.
Consider the golden mole
I didn't know that this was available online! I tore it out of a paper a while ago and have kept it ever since, never thinking to check. Read it, it is lovely.