Every cloud has a silver lining. – There is something good even in an unpleasant situation.

Well, I was denied promotion this time. But every cloud has a silver lining: I won’t have to cope with a heavier workload. 

Every Cloud Have A Silver Lining

 

in the cold light of a day – if you think about something in the cold light of day, you think about it clearly and calmly, without the emotions you had at the time it happened

We’d better not make rush decisions, but think it over in the cold light of a day.

In The Cold Light Of A Day

 

to know which way the wind is blowing – to see how a situation is developing

I know why Tom always supports Jack’s suggestions. Jack is about to become the big boss, and Tom knows which way the wind is blowing.

To Know Which Way The Wind Is Blowing

 

to be snowed under — to be exceptionally busy

I’m sorry I can’t help you, but I’m snowed under at the moment.

To Be Snowed Under 1

To Be Snowed Under 2