1.   That day, the skies had clouded and, for the first time, the weather was cooler.

2.   Toward late afternoon, a strong wind came up and the sky clouded over.

3.   After a fine day, the sky had clouded over and suddenly rain lashed against the windows.

4.   He was a mere dot on the horizon when the sky clouded over and the storm broke.

5.   Imagine squat, roach-shaped vehicles gliding silently at tandem-bike speeds, sputtering and stalling when the sky clouds over.

6.   The skies clouded, and rain began to fall.

7.   The sky clouds with hazy gray smoke from hundreds of individual fires.

8.   Australian coach Robert Derksen asked home plate umpire Anibal Rosario Rivera of Puerto Rico to order the lights on because the sky had clouded.

9.   Skies cloud over suddenly, and bursts of hail can strike in summer.