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Real 3D clouds for URP, lit by your sun and casting shadows on everything, with rain, snow, fog and lightning under them. Works with any skybox. One prefab, built for Unity 6.Soluna: Dynamic Weather puts a real layer of cloud over your world and ray marches through it every frame. Thick clouds go dark underneath and a low sun shines through the thin edges. Fly up and you’re inside them, fly higher and you look down on the deck.And it brings the weather. Blend to the Rain profile and the rain comes with it: streaks around the camera, splashes on the ground, fog lying low, and in a storm, lightning flashing inside the clouds. Snow drifts down in big slow flakes. There’s nothing to wire up: the amounts live on the same profile as the clouds.It works with the sky you already have: Unity’s skybox, Soluna: Dynamic Sky, or anything else. Far clouds fade into it, and the clouds are lit by your own sun, moon and ambient light, so day and night come along for free.Setup is one step: drag the Soluna Dynamic Weather prefab into your scene. One button in the inspector adds the render feature to your URP renderer.FeaturesReal volumetric clouds: a layer between two heights on a round planet. They look right from below, from inside and from above.Lit like clouds: sun and moon light with forward and back scattering, multiple scattering so thick clouds stay bright, sky light from your scene, and darker, heavier bottoms where the cloud is dense.Cloud shadows on everything. They go through the sun light’s cookie, so terrain, custom shaders and anything else URP lights gets them, moving with the clouds.Rain and snow without a particle system: thousands of drops in one draw call, lit through the cloud shadows, fading against walls and blown about by gusts, with splashes where the rain lands.Ground fog that thins out with height, takes its colour from your sky light and glows around the sun.Lightning inside the storm clouds, with an event for your thunder sound and a flash that lights the whole scene.Wetness and snow cover values that build up over time, for your own shaders to darken the ground or whiten the roofs.Ten presets (Fair Weather, Clear, Scattered, Overcast, Storm, High Wisps, Rain, Snow, Foggy, Blizzard) and blending between them from a script, so a storm can roll in over a minute, rain and all.Wind, with speed, direction and how much the clouds churn as they drift.Light on performance: drawn at half resolution and built up over a few frames. One Quality setting, Low to Ultra, covers it.Small: no textures, the cloud noise is made on the GPU when the clouds first appear.Made for Unity 6 and Render Graph from the start.Pairs with Soluna: Dynamic Sky and picks up its sun, moon and sky light by itself. Soluna: Complete Atmosphere has both, with a demo of the two together.Please read before buyingNeeds Unity 6.6 (6000.6) with URP 17.6 and Render Graph (the default). Not HDRP, not Built-in.Needs compute shaders and shader model 4.5 (DX11 class, Vulkan or Metal). Not tested on phones or in VR.One cloud layer, no second high layer and no painted weather maps.No puddles or snow piling up on its own. The wetness and snow cover values are there for your own materials.Use a tonemapper (ACES works well). The clouds are HDR.Good forOpen worlds, flight and sailing games, survival and farming games, and any scene that needs a better sky than a texture.See Soluna: Dynamic Sky and Soluna: Dynamic Weather. Both install under Assets/Soluna, each with its own ReadMe. The combined demo is in Assets/Soluna/Complete Demo.Unity 6000.6, URP 17.6, shader model 4.5, compute.AI tools were used to help write and test parts of the code and documentation. The design, art direction, testing and final decisions are the publisher's own.