weather eye

American  

noun

1. sensitivity and alertness to signs of change in the weather.

2. a steady and astute watchfulness, especially alertness to change.

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idioms

1. keep one's / a weather eye open, to be on one's guard; be watchful.

   He kept a weather eye open for new political developments.

weather eye British  

noun

1. the vision of a person trained to observe changes in the weather

2. informal an alert or observant gaze

3. to stay on the alert

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Etymology

Origin of weather eye

First recorded in 1830–40

Example Sentences

As a confirmed Muppethead, I greet every new series or film with a weather eye, especially the post-Henson Disney-produced projects, including the 2020 “Muppets Now” and the 2023 “Muppets Mayhem.”

From Los Angeles Times • Feb. 4, 2026

Keep a weather eye on the horizon as they navigate their failing romance and battle against the forces of nature.

From New York Times • Apr. 1, 2024

Foreman sat in his red pickup truck parked off of Ind. 218 Thursday, keeping a weather eye on the time a nearby digital bank sign displayed.

From Washington Times • Apr. 2, 2017

As a frequent traveller, I’ve been impressed with the way my credit card company use their real-time, weapons-grade fraud patterns to keep a weather eye on my transactions.

From Forbes • Jan. 8, 2015

“Maybe not, Chief, but have you cast a weather eye over that badger?”

From "Redwall" by Brian Jacques