Dark clouds massing in that direction promised rain by afternoon if their slow advance continued.

The overhead clouds promised rain, but not for a while.

Dark clouds overhead promised more snow or possibly freezing rain, but neither yet fell.

Above us, the clouds thickened and rumbled, promising more rain.

It started to rain lightly, and clouds moving in from the west promised an even heavier downpour.

The clouds promised it and the lamps believed them.

The lowering clouds promised some sort of cold rain, but none was falling as he climbed into the coach.

The air was cool, the light gray, and leaden clouds promised snow.

For others, the clouds promise to have only silver linings.

It was a clear night, although clouds mounting towards the hub promised snow soon.