Related Clues:

• Winter admix
• Winter forecast, at times
• Nasty weather
• Hard weather to deal with
• Small present that may arrive around Christmas time
• Small present that's sometimes seen around Christmas
• Cause of some closings
• Ski resort manufacture, maybe
• Cause of a white Christmas
• Rain and snow mixed
• White coat that could give one the chills
• Certain type of precipitation
• Common 36-Down forecast
• 30-Across surface
• Cause of a skid, perhaps