Identify the following sentence as declarative, interrogative, imperative, or exclamatory.

The forecast said it will rain today.

The sentence The forecast said it will rain today is declarative, as it is informing us that something is happening, you would use it to declare something you want to be known.

Interrogative sentence ends with a question mark.

Imperative sentence is used to order somebody to do something.

Exclamatory sentence ends with an exclamation mark.

The sentence is declaritive because it is declaring or stating something.