skysketch

noun
UK /ˈskaɪ.skɛtʃ/
US /ˈskaɪ.skɛtʃ/

A skysketch is a quick drawing of the sky and clouds.

She made a skysketch of the fluffy clouds before the storm came.


OTHER MEANINGS

2. A brief outline or rough plan of an idea.

The manager gave a skysketch of the new project.

3. A short written description of a scene in the sky.

His poem began with a skysketch of a sunset.

4. A quick mental picture of something imagined.

She had only a skysketch of what the trip would be like.