Once considered strictly for small stream fishing, modern 4-weight fly rods have become extremely versatile tools for the modern angler. A 4-weight fly rod is an important tool in any angler’s arsenal, capable of handling a wide range of techniques and target species – from dry flies and nymphing for Trout and Grayling to casting poppers to smaller Bass and Panfish. With so many 4-weight options on the market, it can be difficult to cut through the marketing hype. Let’s take a closer look at the best 4-weight fly rods of 2025 to help you choose the right one for your fishing goals.