We've been openly trying it since at least the 1960s.
The conspiracy nuts claim it's intentionally being used to make targeted natural disasters (and typically throw in chemtrail stuff), which is a very different claim than "we can probably increase rainfall a little bit'.
The conspiracy nuts claim it's intentionally being used to make targeted natural disasters (and typically throw in chemtrail stuff), which is a very different claim than "we can probably increase rainfall a little bit'.