Idioms with RAIN

rain cats and dogs
to rain heavily
It’s raining cats and dogs out there.

rain on someone’s parade
to spoil someone’s pleasure or plan
I don’t mean to rain on your parade, but I have some bad news.

when it rains, it pours
problems often seem to happen all at the same time
They lost the game and their best players were injured. When it rains, it pours.

come rain or shine
whatever happens
He jogs every morning, come rain or shine.

take a rain check
to refuse an offer or invitation but might accept it another time
They wanted me to come to the party but I took a rain check.