1. Here's how

There are two ways to animate clouds in Lumion: use the Sky and Clouds Effect or the Volume Clouds Effect.

The Volume Clouds Effect renders volumetric, three-dimensional clouds that the camera can fly through.

The camera can't fly through the clouds of the Sky and Clouds Effect.

2. Sky and Clouds Effect

2.1: In Movie Mode, add the Sky and Clouds Effect to a Clip or to Entire Movie:

2.2: Set the Cloud Speed slider to a higher value. Alternatively, animate the Position slider instead. Please click on the link below to see how to animate effect sliders.

Knowledge Base: How do you animate Movie Effects?

3. Volume Clouds Effect

3.1: In Movie Mode, add the Volume Clouds Effect to a Clip or to Entire Movie:

3.2: Set the Speed slider to a higher value. Alternatively, animate the Position slider instead. Please click on the link below to see how to animate effect sliders.

Knowledge Base: How do you animate Movie Effects?

3.3: The Volume Clouds Effect should ideally be rendered in 5 star quality. Otherwise, the clouds will not have the best look of volume clouds.