The present continuous is used for current, ongoing situations which are seen as short-term, in progress, incomplete, or temporary. This is contrasted with the present simple which is used for present situations which we see as long-term, habits, or permanent states. It can also be used for future in some cases.
In these examples, the action is taking place at the time of speaking.
It’s raining now, we can’t have a picnic.
Who is Jess talking to on the phone?
Look, somebody is trying to steal that car.
I’m not looking. I’m covering my eyes.
In these examples, the action is true is currently in progress and hasn’t finished yet.
Present Continuous can also be used for future arrangements.
I’m looking for a new apartment.
He’s thinking about leaving his job.
They’re considering making an appeal against the judgment.
Are you getting enough sleep?
In these examples, the action is at a definite point in the future and it has already been arranged.
I’m meeting her at 6.30.
They aren’t arriving until Tuesday.
We are having a special dinner at a restaurant for all of the hosts’ friends.
Isn’t he coming to the dinner?