Submitted by Orvis Fly Fishing on Thu, 2015-11-26 06:22 View on Orvis.com Tip of the week Techniques Go deep with nymphs.Look for tiny may flies and Streamers may take some fish Seven-day forecast Avoid the South Branch. Huge, criminal fish kill. "Investigation underway", no one held responsible yet. Thousands of trout killed. Call DNR to prosecute the person responsible if you know anything. Helicopter aerial spraying of fungicide suspected. Stay tuned but fish somewhere else. Park is open year round. Winter fishing can be a great time. Conditions Must Have Flies Adams Classic 12-16 Buy from Orvis.com Bead Head American Pheasant Tail Classic 14-12 Buy from Orvis.com I Can See It Midge Fly tan 18-14 Buy from Orvis.com Bead Head Woolly Bugger Streamer black-olive 12-18 Buy from Orvis.com Bead Head Hare's Ear Nymph natural 16-12 Buy from Orvis.com Blue Winged Olive 22-18 Buy from Orvis.com Driftless Flyfishing Co.