Explanation of Weather Skins

I was recently asked what the text meant on my weather skins and figured I would make a post about it here for everyone to see. Here it is!

SNW (Snow)
SNW (Chance of Snow)
STM (Storm)
STM (Chance of Storm)
CLD (Cloudy)
RN (Rain)
FG (Fog)
HZ (Haze)
ICRN (Icy Rain)
LRN (Light Rain)
MCL (Mostly Cloudy)
PCL (Partly Cloudy)
SNY (Sunny)
CLR (Clear/Sunny)