crazyrainbow fly fishing, Casper Wyoming


Hi-Vis Foam Hopper
Hoppers are fishing on the Grey Reef

Current CFS.

  • The Grey Reef is at 3,000 CFS.
  • The Miracle Mile is at 1,000 CFS
  • Fremont Canyon is at 880 CFS

Hopper fishing is really starting to heat up, with more and more action every passing day. Make sure you have a good selection of hoppers with different profiles, sizes and colors, as the right hopper might make the difference between a good day of hopper eaters and an epic day.


Nymphing has been very good on the Grey Reef stretch with good numbers of fish being caught.

Recommended Flies:

  • Midges (Pal, MacGruber, Mayhem) #18-20
  • RS2 #18-20 (chocolate, gray)
  • Rock Worm #14-18
  • San Juan Worm
  • Split Case BWO #16-20
  • Barr’s BWO emerger #16-20
  • Darth Baetis #18-20
  • Splitcase PMD
  • Bird’s Nest Caddis
  • Mallard’s Tanked Trico

Streamer Fishing:

Streamer fishing has been good on cloudy days and in the mornings and evenings.

Recommended Streamers:

  • Rusty Trombone #4-8
  • Articulated Goldie #4
  • Articulated Ditch Witch Tan, Olive
  • Bob’s Silver Bugger
  • Thin Mint Bugger

Here at the Ugly Bug we are excited to be your go to fly shop and guide service in Casper, Wyoming, We have lots of availability for guided trips and lodging. Not to mention our online shopping is easy and fast with free shipping on all orders over $50.00 dollars.

Got some fish pics you would like to share? Shoot them to us in an email to!



Fly fishing quote of the week:

“Pole far enough and the fish will find you. “

-Steve Huff