Nameless the sky is a mod called Improved weather mod 2.0 (download the HD version of it). Here is the link:
http://ets2mods.org/2014/05/improved-weather-reload-2-0-mod/

thank you all ;)

Hi. Sry for the late reply. Thanks for the comment and likes on my page. I check your shots and I love em all. This 1 goes to favourite and +1 like for all of your shots. :)

aWesome!!

Спасибо за комент,у вас то же красивые скрины,плюсанул,заходи если что)))

nice shot