keep a weather eye on something/someone

keep a weather eye on (someone or something)

To monitor someone or something closely. Primarily heard in UK, Australia. I need you to keep a weather eye on this crisis so that we can get the necessary supplies out quickly.
See also: eye, keep, on, weather
Farlex Dictionary of Idioms.

keep a weather eye on something/someone

mainly BRITISH
If you keep a weather eye on something or someone, you watch them carefully so that you are ready to take action if there are problems. Keep a weather eye on your symptoms and stay alert to any changes which occur. Amy moved away from a neighbourhood where she'd kept a weather eye on an old lady. Note: Other prepositions are sometimes used instead of on, for example out and for. The police were there, keeping a weather eye out for trouble of any sort. Note: This expression was originally used by sailors, who had to keep a constant watch on the weather and wind direction.
See also: eye, keep, on, someone, something, weather
Collins COBUILD Idioms Dictionary, 3rd ed.
See also:
  • keep a weather eye on
  • keep a weather eye on (someone or something)
  • keep a weather eye on something/open for something
  • have (got) an/(one's) eye on (someone or something)
  • have one's eye on
  • keep a close eye on (someone or something)
  • have (one's) beady eye on (someone or something)
  • beady
  • keep a tab on (someone or something)
  • keep tab