Summer walleye and bass lock into current breaks on the Upper Mississippi

What's biting

What's next

The key variable over the next two to three days is flow. At 16,900 cfs (USGS gauge 05344500), the river is carrying enough push to displace fish from open feeding flats and stack them along structural current breaks. Wing dams are the go-to in pools like these — work the downstream face and the notch at the tip, where current slows and baitfish collect. If flow stabilizes or edges down slightly over the weekend, expect walleye to ease back onto adjacent sand flats during low-light windows, particularly the hour before and after sunset.

For bass, the post-spawn split that Tactical Bassin describes fits this stretch well: one group is holding shallow on emerging vegetation, shaded laydowns, and riprap banks, while a deeper contingent has settled against the base of wing dams and channel edges. Both groups are reachable, but presentations need to match depth and current speed. Wired 2 Fish's recent emphasis on soft-plastic finesse — weightless stickbaits and drop-shot rigs — is worth having in reserve if midday fishing stalls; Upper Mississippi smallmouth will often pick up a slow-sinking plastic when they ignore anything moving.

Channel catfish should be building toward their summer peak. Warm water and low overnight light during the First Quarter phase means late-evening and early-morning cuts in deep scour holes and slack current pockets are your best windows. Cut shad or sucker meat fished on the bottom is the conventional approach.

First Quarter moon on June 22 means the moon is above the horizon during afternoon and early evening, pushing the primary solunar window into the late-afternoon hours. Plan to be on the water by 4 p.m. and fish through the first hour of dark for the best overlap of moon angle and low light.

Weekend planning: Saturday and Sunday mornings before recreational boat traffic builds will offer the cleanest shot at walleye and smallmouth on current structure. No specific weather data is available for the forecast period — check the local NWS outlook before launching, since any upstream rain event could bump flows further and push fish deeper into backwater slack water.

Context

The Upper Mississippi pools between Prescott and La Crosse are a textbook late-June river system. The post-spawn recovery period for walleye, bass, and crappie is largely complete by mid-June, and by the third week of the month, summer patterns are firmly established. Walleye have typically finished spawning for eight to ten weeks by this date and have redistributed from gravel spawning bars to their summer haunts — channel edges, deep wing-dam notches, and rock-studded current breaks across Pools 3 through 7.

Flow at 16,900 cfs sits on the higher side of a typical late-June baseline for this reach, though the Upper Mississippi naturally carries more volume into summer than smaller tributaries. Above-average levels tend to improve oxygen exchange in the backwater lakes and connected sloughs, which can hold crappie and largemouth bass later into summer than drought years when those backwaters stagnate and warm quickly.

Fishing the Midwest has reported a strong 2026 open water season across the Upper Midwest, and Wired 2 Fish notes that Minnesota's DNR has already certified nine state fish records this year — a broadly positive signal for fish populations across the wider Upper Mississippi watershed, even if no specific records are tied to the Wisconsin pools.

Late June historically marks the beginning of the prime channel catfish window on this stretch, before midsummer heat peaks and dissolved oxygen begins to stress river systems. Walleye fishing is reliably trickier than spring — the fish are present but spread across more structure — and the most consistent approach involves slowing down and going deeper, with jig-and-minnow rigs worked deliberately against current on wing-dam structure. No comparative gauge data or year-over-year flow history is available in today's data set to say definitively whether current levels are running above or below the multi-year average for this date.