Chasing Late Fall Trout on the Bighorn River: Tips for Diehards in Crisp Conditions

Big Horn country is crisp this morning—a classic mid-November bite for diehards willing to dress warm and chase that last great trout before full-on freeze. We saw a 20-degree dawn under a pale brush of clouds, with temps climbing toward the mid-40s by early afternoon. According to AccuWeather, we’re trending mild for November, a welcome break in the usual, and light wind means the river’s edge is even more inviting. No tides to mind on this stretch; just the slow, predictable pulse of late-autumn flow. Sunrise hit at 7:12 a.m., and sunset’ll tuck away behind the rims at 4:49 p.m., so your best window is that soft light before noon and those magic last two hours. Big Horn’s holding steady—clear water, but dropping overnight temps have those browns and rainbows sliding into the slow stuff. Folks from Hardin up to Afterbay say morning nymphing’s consistent: rubberlegs, pheasant tails, and purple perdigons are working especially well, drifted through the knee-to-waist deep runs mid-river. The lower river’s giving up some girthy browns, especially for anglers dropping olive or black sculpin patterns—mini dungeons and sparkle minnows have been top-notch when the sky’s a little gray, just like last week’s action around Two Leggins. Dry fly action is short-lived but special: blue-winged olives are coming off during calm, overcast afternoons, and the fish are keying in around the foamy seams and soft inside bends. Keep a few #18-20 olive emergers or sparkle duns ready—locals say you don’t want to miss those quick risers, especially if you find yourself near Soap Creek after lunch. As for numbers, reports out of the Bighorn Trout Shop show anglers pulling a steady catch—double digits for rainbows in the 14–18" class are common, with a few healthy browns in the mix, some stretching over 20" for the streamer faithful. The go-to setup has been 5x fluorocarbon with a pair of nymphs, about a foot apart, fished on a 9’ leader. Those who’ve switched to streamers after noon found browns willing to chase in the deeper slots behind old weed beds. Best baits this week are about matching what’s drifting: small scuds, olive or tan, and midge larvae are steady picks. If you want to go old-school, drifting a San Juan Worm after a chilly night isn’t a bad call either. And don’t ignore a tiny drop of split shot—most fish are hugging bottom till that sun’s well up. Hot spots right now include the Afterbay to Three Mile stretch—less pressure, solid structure, and easy walk-wading. The “13-Mile” bend downriver is also fishing hot for streamer junkies, especially late in the day. Remember, the Bighorn’s a different beast once temps start dropping: slow it down, focus on the soft edges, and keep that approach gentle. One sharp wade and they’re gone for twenty yards. Thanks for tuning in, folks! Subscribe for more local updates, tips, and river talk every time you hit the water. This has been a quiet please production, for more check out quiet please dot ai. Great de This content was created in partnership and with the help of Artificial Intelligence AI.