When I went fishing with Ronnie Capps, I asked him about cold weather as well as a million other questions, and he said carries a cooler with hot/warm water so after he dips his hands in minnow bucket or lake he puts his hand in warm water.
I havent tried it yet but will do now temps have gotten alot lower.
I bought some ice fishing gloves from Frabill website last year and they are warm but bulky.....

just passing along info/tips/tricks that I learned while fishing with one of the best