Spring Steelhead season on the Clearwater River in Idaho! The weather in the next couple.ing week is in the 50's with an excellent outlook for River conditions on the way! February and March on the Clearwater River in Idaho is traditional spring Steelhead fishing conditions to land beauties like these. There are available dates for February and March. I am guiding for Swiftwater Outfitters. Please hit send message button with questions and inquiries. Available February dates: 1, 2, 4, 14. Available March dates: 13, 16. It's go time!