GIF of effect below (grim winter enb used in conjunction):



There are two versions currently, one for skyrim vanilla weathers and one for vivid clouds and fogs (because I use that). http://www.nexusmods.com/skyrim/mods/59809/?
Given the number of weather mods, I don't really have the time or inclination to patch them all, sorry. I did this for personal use, so feel free to move on if you do not like. :)
Install instructions: Move the esp to your data folder or use a mod manager and activate the esp.
Uninstall: Simply remove the esp.
Credits: Bethesda and the TES5Edit team allowing me to patch it more easily.
SSE version: https://www.nexusmods.com/skyrimspecialedition/mods/56127