Today's Read
Missouri River is keyed to the bugs that are active in the current light and water conditions. These are the insects that matter right now and the windows when they matter most.
Craig, Montana
Missouri River Hatch Report
Think small and clean: midges, BWOs, and sowbugs are the deal, with technical nymphing early and more dry-fly potential when the light softens.
Bugs & Best Matches
What's active
Fish this
Midges, size 18-22, morning and low-light periods
Zebra Midge black or red, size 18-20, nymph; Midge Cluster, size 18-22, dry
Blue-winged olives, size 18-20, midday through afternoon
Split Back BWO, size 18-20, nymph; CDC BWO Dun, size 18-20, dry
Sowbug and scud food base, size 14-18, all day subsurface
Tailwater Sowbug, size 14-18, nymph
General subsurface
RS2 gray or olive, size 18-22, emerger
How Fish Respond To This Hatch
- Missouri trout feed often, but they inspect everything. In late April the river usually fishes best with small nymphs, emergers, and careful dry-fly presentations wherever midges or olives gather in slick water. Fish hold on broad shelves and moderate seams, and the best dry-fly fish often slide up only when the bugs get concentrated enough to make the surface worthwhile.
- Start with a long, light indicator setup and enough split shot to keep small bugs in the lower third of the column.
Current Conditions
FlowTailwater flows are usually stable enough to keep fish in predictable buckets, shelves, and seams.
Water TempCold but steady tailwater temperatures keep fish active even when the weather swings.
WeatherCloud cover usually improves olive activity. Bright calm afternoons can make fish visibly selective.
Rating8/10
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