Midge and baetis nymphs a must. Its the classic winter formula here in Colorado, but make sure to have some leeches and SJ worms too.
Water is low, so be super stealthy.
Midges 18-24: Sidewinder Midge Pupa, Tavs Big Mac, Jujubee Midge. Midge Dries: Duranglers Adult Midge, CDC Biot Midge, Midge Dry.
San Juan Worms, Red, Wine, Orange. Red and Orange Annelids, and Chamois leeches. Thread Baetis, Jujubaetis, Split Back PMD.
BWOs Nymphs: Pheasant Tail 20-22, Killer Mayfly 20-24, Brown Baetis Nymph 20-24. Napoleon Jig 18, Split Back BWO 18-22.