cloud on the horizon

cloud on the horizon

An omen that something bad or problematic will happen in the near future. Financial analysts believe that the sudden drop in oil prices points to a cloud on the horizon for the national economy.
See also: cloud, horizon, on

a (small) cloud on the hoˈrizon

a sign of trouble or difficulty to come: Although we are making good profits there is one cloud on the horizon — the government may increase taxes.
See also: cloud, horizon, on