Wyoming Fishing Reports ยท Wind and Bighorn Region
Below Wind River Canyon, the Wind becomes the Bighorn at the Wedding of the Waters, and the river through Thermopolis holds big rainbows and browns.
Looking for the latest Bighorn River Thermopolis river report? This page is updated by the AvidMax fly shop team with live flows, current conditions, hatches and the flies working now on the Bighorn River โ Thermopolis.
Current flows
There is no live gauge on this stretch. Check nearby gauges on the Wyoming fishing reports page.
Wind forecast
Bighorn River Thermopolis fishing report
Updated November 7, 2026.
There is no live gauge on this stretch. Flows follow releases from Boysen Dam.
Fish worms, scuds and small midges in the deeper runs, and small streamers on darker days.
Load your fly box
Before you head to Thermopolis, bring: San Juan Worm #10-14, Kaufmann', s Scud #14-16, Zebra Midge #18-20, Woolly Bugger #6-8, Pheasant Tail Nymph #16-18, RS2 Emerger #18-22, JuJu Baetis #18-22, Black Beauty #20-24, Egg #14-16, Squirmy Wormie #12-14.
Flies working right now
The flies above that we have in stock right now.
Bighorn River Thermopolis details
| Access | Public access at the Wedding of the Waters and parks in Thermopolis. |
|---|---|
| Elevation | About 4,300 ft |
| Nearest town | Thermopolis, Wyoming |
| Best season | Year-round |
| Fish | Rainbow and brown trout |
| Regulations | General Wyoming creel limits apply unless posted. Check the Wyoming Game and Fish Department regulations for current rules. A Wyoming fishing license is required for anglers 14 and older. |
| Leaders and tippet | 9 ft leaders, 4X to 5X tippet |
| Camping | Boysen State Park, and hot springs parks in Thermopolis |
| Kids | Partly. Easy town access. |
| Good to know | Wind River Canyon above here is on the reservation and needs a tribal permit. |
Fishing by season
Winter
Midges and worms.
Spring
Rising water.
Summer
Caddis and hoppers.
Fall
BWOs and streamers.
How to get there
From Casper, take US-20/26 west to Shoshoni, then US-20 north through Wind River Canyon to Thermopolis.