Here we have update 1.1 of Piva Weather Mod NO HDR version.
Piva Weather Archive
And here is update 3.3 of the Piva Weather Mod for American Truck Simulator.
And here is update 2.6 for the Piva Weather ATS mod.
Weather mod for ATS v2.5 by Piva and GSC, tested on 1.3.1 patch, made for ATS.
New version of Piva 2.4 for ATS 1.3.1 version.
New version of the Piva Weather Mod now working on 1.3 patch.