Fly Fishing Stream Conditions Report: Oil Creek

Report Summary for Apr 2026

This year: Oil Creek is currently experiencing good, above-average flows, with clear and cold water showing a greenish tinge in deeper holes. Fishing has been fair. This month, flows on the creek at Rouseville have averaged around 1122 CFS, ranging from a minimum of 429 CFS to a maximum of 2890 CFS. Last month's average was 942 CFS. Mornings have offered a tail end of the Grannom hatch, with some risers observed on the surface. Anglers have found success in the afternoons by nymphing with standard nymph patterns. Keep an eye out for size 14ish stoneflies buzzing around the water. For fly selection, an Elk Hair Caddis can be effective during the Grannom hatch. For subsurface activity, focus on standard nymphs to entice fish.

Best time of day: All day

Prior years: No prior years report for this period.

This report combines publicly available data when available with our own analysis to give a comprehensive view of the stream conditions.

Elk Hair Caddis fly pattern

Elk Hair Caddis

dry

Monthly water conditions

Oil Creek at Rouseville, PA

This month

1122 CFS

Last month

942 CFS

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