Idioms/Weather
Idioms based on weather and climate. Select an idiom for more details. Also try Weather Idioms Quiz.(it's) raining cats and dogs
You can say "it's raining cats and dogs" if it's raining very hard.
a fair-weather friend
A fair-weather friend is a person who will only be your friend when things are going well for you.
a ray of sunshine
Something is a ray of sunshine if it brings happiness to someone.
have your head in the clouds
If someone has their head in the clouds, they are out of touch with the everyday world and can be unrealistic or naive as a result.
make hay while the sun shines
If you make hay while the sun shines, you make good use of the chance to do something while it lasts.
quick as a flash | quick as a wink | quick as lightning
If you're as quick as a flash, or quick as a wink, or quick as lightning, you're very quick.
snowed under
If you are snowed under you have so much to do that you're having trouble doing it all.
under a cloud
If someone is under a cloud, they are suspected of having done something wrong.
under the weather
If you are under the weather, you're not feeling well.
weather a storm
If you weather a storm, you survive a dangerous event or deal with a difficult situation.
Also try Weather Idioms Quiz.