Summer 2010

Big Horn River:  Water Levels have exploded to 10,000cfs.  Nyphm patterns- Scud, Sow Bugs, and worms, with a lot of weight.  
Missouri River: Water levels have settled to 4,500cfs.  Nymphing is still successful however, dry fly fishing has picked up.  Suggested patterns - B.W.O., Caddis, March Browns,, PMD, Yellow Sally.

Yellowstone River, Stillwater, and Boulder River: The free stone streams are a little dirty right now with run off and storms.  But, keep your eyes on the water daily and fish towards the edges of the banks.  

Blackfeet Reservation:   Fishing has been good along the weed beds.  Big Fish are being caught.

Summer Hatches:

Dry fly Hatches: 

June                                                                         
*Midge (fish eat midge patterns year round) @ all bodies of water 
            Size 18 to 20: black -> Any small midge patterns may work.
            Suggested Patterns: Sipper Midge, Midge clusters, or Cripples.

*Elk Hair Caddis : Size 16 to 20.

*PMD's : Size 16 to 18

Streamers:
Any heavy, dark, flashy streamer, sizes 10 to 4 will work.
Suggested Patterns: Any Leach, Autum Splendor Special, Black Death, or Crystal Bugger. Also use egg sucking leaches. Keep trying different patterns.

Nymphs:
*Midge @ all bodies of water
         Size 18 to 20: Black, Red, Brass, Crystal, or Cream-> any color works.
         Suggested Patterns: Brassy, Disco Midge, or Quil Nymph.
         
*Scuds and Sow bugs @ Mainly BigHorn River
         Size 16 to 20: Orange, Pink, or Tan-> Soft hackle will work.
         Suggested Patterns: Ray Charles, Natural Sow bugs, Soft hackle Sow bugs.
*Aquatic worms
         Size 6 to 16: Purple, Red, Tan, Brown-> Try any variation.
         Suggested Patterns: San Juan Worm, Steel Worm.