Which clouds are common in winter at high altitudes and usually indicate cold but fair weather

Cirrocumulus clouds

Explanation: Cirrocumulus clouds are usually seen in the winter and indicate fair, but cold weather. In tropical regions, they may indicate an approaching hurricane. Altostratus clouds are gray or blue-gray mid level clouds composed of ice crystals and water droplets.

the answer you are looking for is the united states forest service.

hope this !