The day had become dreary; heavy clouds foretold impending rain.

She decided she'd go out and walk and to hell with the impending rain.

The air was moist and had the tang of impending rain.

"It's kind of like there's impending rain coming," he said.

The scent of more impending rain thickened the air.

But Wednesday morning came and brought with it clouds and impending rain.

The roof of the convertible had been put up against the impending rain.

There was a smell of impending rain in the air.

The wind blew back her hair, and she could smell sweet impending rain.

It shall be closed only in the event of impending rain or other adverse weather conditions.