"Keep your weather-eye open," be on your guard; look out for squalls.
“Not while I keep my weather-eye open,” observed the doctor.
Dickie Lang cast a weather-eye to seaward and shook her head.
But, busy as the time is, the skipper has his weather-eye open for the signs.
I never knew any master keep his weather-eye lifting as this female do.
Only I feel it my duty to ...