What does “head in the clouds” mean?

Where it comes from

From the picture of someone so lost in thought they are floating above everyone else.

What I think of “head in the clouds”

• Head in the clouds: lovely view, terrible signal.

• If your head is in the clouds, at least check whether they are rain clouds.

• Some people have their head in the clouds. I have the clouds in my head. It is a living.

More weather sayings

• Under the weather
• Raining cats and dogs
• Red sky at night
• All weather sayings