The biology will not stop for a cold snap. Just look at how we will be getting back on track(weather wise) next week.I agree and that applies to many different species of fish.
Found this article today...thinks it fits quite well.
http://www.majorleaguefishing.com/news_details.aspx?id=5548#sthash.BfSXZRSs.gbpl
“By the time we get into late February, the temperature is irrelevant,” said Jones. “Bass are going to be shallow since the pre-spawn period occurs from mid-February on. Most bass are going to be in 10 feet of water or less.”