keep a weather eye on

phrase

old-fashioned
: to watch (someone or something) very carefully
She kept a weather eye on the stock report.

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“Keep a weather eye on.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/keep%20a%20weather%20eye%20on. Accessed 11 Mar. 2026.

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