Meaning of the word "a cloud on the horizon" in English

What does "a cloud on the horizon" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

a cloud on the horizon

US /ə klaʊd ɑn ðə ˈhaɪ.rɪ.zən/
UK /ə klaʊd ɒn ðə ˈhɒr.ɪ.zən/
"a cloud on the horizon" picture

Idiom

a potential problem or difficulty that may arise in the future

Example:
Despite the current success, there's a cloud on the horizon regarding the company's future funding.
The new regulations cast a cloud on the horizon for small businesses.