@NevP I created a vastly better, more detailed and far easier (and more accurate) to interpret cloudbase overlay setting, which you can download from here (have some patience as it will take a few seconds for this page to load due to the amount of text settings and graphics within it: https://community.windy.com/post/19263 The specific directions to install the custom overlays is found within the first post in this custom graphics overlays thread, here: https://community.windy.com/post/19249 Examples and a legend to interpret it: This is the custom cloudbase overlay: This is the standard Windy overlay: Current time forecast for detail and info comparison: My cloud tops overlay also uses these same color shades and altitude divisions so that a pilot can easily interpret and assimilate both for any required altitude range.