The future continuous can be used:

To project ourselves into the future.

For predicting or guessing about future events

To ask politely for information about the future

To refer to continuous events that we expect to happen in the future.

When combined with 'still', refers to events that are already happening now and that we expect to continue some time into the future.

He will be still sleeping in an hour.

Soon, the students will be performancing with their farewell speeches.

I guess, you will be reading R. Stevenson after this book.

Yeah, I will be reading 'The Treasure Island'

Daughter, will you be leading me to the house?

Sure, mom!

Ough, we will be cleaning this room again next week...

In half an hour she will be still cleaning up her house.

I guess, the dog will be running to the house.