Crazyrainbow Fly Fishing, Casper Wyoming

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Crazy Rainbow Fishing Report


Crazy Rainbow Fishing Report

Crazy Rainbow Fishing Report 6/17/24

Grey Reef: 6/17/24

Flows-  2,996  CFS

Fishing Report  ~ 

Fishing on the Reef has been productive we have seen quite a few browns being pulled to the boat which is a treat to see. With rising temperatures hatches are happening more frequently so keep an eye out. We have been seeing a ton of activity when it comes to PMD’s.  Focus on using Size 18 PMD Mayhem’s, PMD CDC case emergers, PMD Crust Nymph, Black Mayhem’s, darker black baetis patterns. Leeches brown, natural, and black have been working great as well as rock worms in the smaller size ranges.  Caddis are now beginning to show up as well with the warmer weather! 


Miracle Mile: 6/17/24

Flows-  2,593 CFS

Fishing Report ~

Fishing on the mile has been doing great this past week! Fishing has been more productive on the drift boat versus wading but still fair if you are planning on wading. Very similar patterns and bugs as the Reef are doing well on the mile caddis, PMD’s, crayfish are also working. Leeches and worm patterns having been producing the most fish to the boat so be sure to have an assortment of these on your rig. We are also beginning to see more activity with stone fly patterns these have been fishing best above the bridge.


Fremont Canyon: 6/17/24

Flows- 844 CFS

Fishing Report ~

With recent rises in CFS Fremont is becoming slightly harder to fish. Spots that have been accesible before might be harder to get to and watch out for very fast moving water in certain/tight areas of the canyon! Fishing is still active just be careful of changing conditions. We have also heard reports of quite a few rattlesnakes so be mindful when hiking around. Tan/black leeches have been most productive on the nymph rig. Rock worms are also working well and an assortment of midge patterns. Stick with your PMD color patterns when it comes to bugs. If you are debating on what parts to fish the slower sections of water seem to be fishing the best!


The Big Horn: 6/17/24

Flows- 1,762 CFS

Fishing Report ~

The Big Horn has been fishing well with cleaner water conditions.Streamers are doing well so look at using white/flashy or olive/flashy streamers such as the Rusty Trombone/Articulated Goldie, Laser Legal/Barely Legal patterns. For nymphs look at HH and regular sowbugs, duracell’s, and BWO patterns and colors. Small midges in the size 20 range have been doing well also!

Check out flows for all Wyoming rivers here: Wyoming River Flows (

More great reads!

Top 5 Streamers for the North Platte River      

Fishing Tips for Success 

Book your trip with us here: Crazy Rainbow Guided Trip Reservations or call the shop at (307) 232-882

Ugly Bug Fly Shop and Crazy Rainbow Fly Fishing is honored to be your go to fly shop and guide service in Casper, Wyoming. We offer guided fly fishing trips, lodging accommodations, educational courses, as well as the best advice in the west. Stop in the store or find us online! We offer free shipping on all online orders over $50. New Crazy Rainbow Fishing Reports every Monday! We are open Monday through Friday 9:00am-5:30am and Saturday 8:00am-4:30pm 

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


The Ugly Bug Crew 

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Blake Jackson

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