The Pale Morning Dun hatch declined a lot during the low water years, but has bounced back. Water temperature is the main factor for their emergence on the Bighorn. Water in the mid to upper 50′s is ideal around the end of June into July.
Fishing Tip: PMD nymphs are especially effective on the Bighorn, do not over look them. Trout will key in on the nymph even if they are not feeding on the surface.










