The fog drifted in through the open door with them.
The fog drifted in quickly as the air lost heat.
As he walked, fog drifted in and the sky grew dark.
The fog had drifted away to the south, and visibility was unusually good.
She kept looking back into the fog drifting through the shafts of light under the trees.
A light fog had drifted in from the river, blurring the street lights.
Looking up through the narrow central circle, she could see fog drifting downward.
A heavy fog had drifted in; he could scarcely see the courtyard below.
He looked out moodily at the fog drifting over the bridge.
The night air was cold and there was fog drifting in layers.