For speeds less than 5 mph, we often say "LIGHT WIND." For speeds of 15-25 mph, we often say "BREEZY." For speeds of 20-30 mph, we often say "WINDY." For speeds of 30-40 mph, we often say "VERY WINDY." For speeds greater than 40 mph, we often say "HIGH," "STRONG," OR "DANGEROUS."