keep weather eye open

keep (one's) weather eye open

An instruction to monitor someone or something, often because the person or thing in question may turn out to be dangerous. I think Tom's a thief, so keep your weather eye open around him. He needs to keep his weather eye open with this storm that's brewing, in case he has to evacuate.
See also: eye, keep, open, weather

keep a weather eye open

An instruction to monitor someone or something, often because the person or thing in question may turn out to be dangerous. I think Tom's a thief, so keep a weather eye open around him. I'd keep a weather eye open with this storm that's brewing—we may have to evacuate.
See also: eye, keep, open, weather
Farlex Dictionary of Idioms.

keep one's weather eye open

Fig. to watch for something (to happen); to be on the alert (for something); to be on guard. Some trouble is brewing. Keep your weather eye open. Try to be more alert. Learn to keep your weather eye open.
See also: eye, keep, open, weather
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • keep (one's) weather eye open
  • keep a
  • keep a weather eye open
  • keep a weather eye out
  • make a joke of (something)
  • make a joke of something
  • seem like
  • seem like (something)
  • jam into (something)
  • say (something) to (one's) face