"Peste câteva minute vine o ploaie grea."

Translation: In a few minutes, a heavy rain is coming.

[jh963]

Is "ploaie grea" actually used like this?

[razvan.marin]

Google yields results with such uses, but I don't recall anyone using it personally.

[gustawsohn]

”A heavy rain” means rather ”o ploaie torențială” or ”o ploaie puternică”.

[Lng52-._]

Alternate translation: "In a few minutes, a heavy rain comes."