South Dakota fishing reports
64 reports for South Dakota — what's biting, water temps, and where to focus.
SD Flows at 114 cfs: Post-Spawn Walleye and Black Hills Trout in Play
USGS gauge 06440200 logged 114 cfs as of May 6 — on the lower end of early-May flow for the South Dakota watershed, with no water temperature reading available this cycle. None of our feeds returned SD-specific charter, shop, or agency reports this week covering the Missouri River corridor or Black Hills streams; conditions here reflect the gauge data and what is typical for this time of year in the region. Post-spawn walleye are the priority target on the Missouri River system right now — fish that staged for the late-April spawn are dispersing off rocky structure and current seams, entering a feeding-recovery phase that typically produces consistent mid-spring action. In the Black Hills, Hatch Magazine's current coverage of caddis emergences is well-timed; May is when these hatches begin to fire on freestone streams across the northern plains, making nymphs and dry caddis patterns the go-to starting point for trout. Water temps remain unknown from the gauge this week — take a streamside reading before committing.
SD Waters Running Low; Black Hills Trout and Missouri Walleye on the Move
USGS gauge 06440200 logged 5.21 cfs at midnight on May 4 — a low reading that signals lean, clear water conditions across the Black Hills drainage. No water temperature was recorded at the gauge, but early May in South Dakota typically places shallower Black Hills streams in the upper 40s to low 50s°F, favorable territory for trout beginning to key on emerging insects. Hatch Magazine's current coverage of caddis emergences and Field & Stream's aquatic insect guide both highlight how early caddis and midge patterns come online as temperatures approach the 48–52°F threshold — timing that aligns with where Black Hills streams likely sit right now. On the Missouri River mainstem, walleye are approaching their post-spawn feeding phase, and a Waning Gibbous moon favors aggressive early-morning and dusk presentations along current seams. No local charter, shop, or state agency reports appeared in this cycle's feeds; the conditions outlined here are drawn from gauge data and established seasonal pattern.
Post-Spawn Walleye Prime Window as Full Moon Rises on SD's Missouri River
USGS gauge 06440200 logged just 4.6 cfs at 6:30 a.m. this morning — very low flow on at least one South Dakota tributary — suggesting clear, possibly skinny water on feeder streams draining toward the Missouri River system. No South Dakota–specific reports surfaced in this week's national angler feeds; Wired 2 Fish, Field & Stream, and Outdoor Hub focused on records and gear stories from other regions, so conditions here are grounded in seasonal patterns rather than direct on-water testimony. That said, early May is historically one of the strongest walleye periods on the Missouri River impoundments as post-spawn fish regroup on main-lake points and current breaks. Tonight's full moon typically compresses walleye feeding into short, intense bursts at first and last light. In the Black Hills, spring trout season is in full stride; low, clear flows generally favor nymph presentations and small streamers fished deliberately in pocket water.
USGS Reports Minimal Flow as Missouri River Spawning Cycles Activate
USGS gauge 06440200 recorded minimal flow of 1.3 cfs on April 28, the lowest water-stage signal available for Black Hills and Missouri River planning this week. Late April is prime spring spawning season across the region, and with a Waxing Gibbous moon and typical late-April stability, this window should favor consistent action on walleye, pike, and crappie across shallow spawning flats and stillwater structures. Regional tackle shops and state fishery bulletins are your best source for real-time bite reports and verification of the reported low-flow conditions, which may reflect tributary monitoring or seasonal low-water context. Check state regulations before harvest and plan extended dawn-to-dusk sessions to capture spawn-phase feeding windows.