Well, they definitely weren’t speaking about the weather. They were using an idiom, i.e. a phrase whose collective meaning is different to the meaning of its individual words.
Here are six common weather idioms to impress your friends with.
raining cats and dogs
This is used to describe very heavy rain.It’s terrible weather outside; it’s raining cats and dogs.
to weather the storm
To get through a difficult time and survive.The government is in a crisis but they look like they will weather the storm.
to be snowed under
To have too much work or things to do.Oh, no! Not another new project. I’m already snowed under. I don’t have time to do any more.
every cloud has a silver lining
You can always find something positive in a bad situation.Don’t worry about losing your job, it might be the best thing that’s happened to you. Remember, every cloud has a silver lining!
stormy waters
To be in trouble. To be going through a period of problems.The government is in stormy waters over its new transportation policy.
I’m in stormy waters with my girlfriend; I didn’t get home till 2 o’clock this morning.
to be a bit under the weather
To feel ill, sick; not feeling completely well.I’m taking the day off work today – I’m feeling a bit under the weather.
You look a bit under the weather, John. Aren’t you feeling well?