If you aren't seeing enough rain after installing, you can adjust the "Rain Probability" slider in the in-game menu. For those using the developer console, the command g_set_weather 1 can be used to manually trigger rain for testing.
: Features high-quality internal and external rain and thunder sounds. REALISTIC RAIN V4.4 ETS2 1.46
: Includes realistic splash effects from truck and AI tires, and improved water particles. If you aren't seeing enough rain after installing,
: Replaces standard rain textures with more realistic water drops on the windshield and truck body. REALISTIC RAIN V4.4 ETS2 1.46
: To ensure it works correctly, place this mod at a high priority in the ETS2 Mod Manager, especially if using other graphics or weather mods.