Recent cold snaps have dropped the Colorado's water temps into the mid thirties. The fishing will be better on or after warming trends, and below some of the tail waters that feed the Colorado. Parshall below the Williams Fork can be good during the winter months, and the Pumphouse area can also fish good early in the season. Try a large stonefly nymph with smaller baetis patterns dropper off the back. San Juans are also a good point fly and tans and browns work good on the upper Raddy. RS2's sized down to #22 are excellent in late winter and early spring, and glow bugs will become more important in late February. Around Kremmling the overnight lows can be flirting with zero, but the river still fishes good and gets better the deeper into February we go. Streamers can be slow this time of year, but dredging the tail outs of pools with slow stripped flies can be good.

Downstream of Glenwood Springs the streamer bite can be much better this time of year. Waters are often warmer making the river more active and more alive. The waters are also much clearer than summer, so the fish see your streamer and flies much better, maybe making them chase better. Attractor nymphs like princes and hares ears are good on the lower, and baetis start to move in February. This section of river is extremely fun to fish out of a boat!