I know that "It was raining last night" would be:

Bhí sé ag cur báistí aréir.

But how would I say "It was raining and thundering last night"? My guess is:

Bhí sé ag cur báisti agus toirní aréir.

I know I could convey the same message in different ways, for instance:

"It was raining with thunder last night" == Bhí sé ag cur báistí le toirneach aréir
"There was rain and thunder last night"== Bhí báisteach agus toirneach aréir

How many of the above are correct, and are there any better ways of saying this?

This ("ag cur ... agus toirní") means it was "ag cur toirní" but you use rather déanamh instead of cur with toirneach.

So: Bhí sé ag cur báistí agus ag déanamh toirní aréir.

And simple toirneach can be used, too:

So: Bhí sé ag cur báistí agus ag toirneach aréir.


I'd put ann in there:

Bhí báisteach agus toirneach ann aréir

So, rain is "put" and thunder is "done". Ok, got that.



Ah, the good ol' existential "ann". How could I forget about that.

Thanks.

Thunder can be "thrown" as well: ... ag caitheamh toirní acc. to Foclóir Uí Dhónail