Stream conditions for this time of year are shaping up quite favorably with better than average flows. Water temps are beginning to cool down and it does look like consistent fishing is nearly here. It has been a little frustrating at times this summer. We've had great water levels but temps remained too high to safely fish consistently. There were some windows where everything came together but September with its shorter days and longer nights should see more favorable and consistent conditions especially in the second half of the month. When we do begin to able to spend time on the water, nature hasn't been idle. Lots of small forage fish are abundant this time of year; Dace, Darters, Sculpins and young of the year White Suckers along with higher than average flows means streamer fishing is on. Try those classic streamers such as a Black Nosed Dace or Muddler Minnow now. A drop in water temps may bring the big fish out to feed. Isonychia and Light Cahills should be the dominant evening hatches. The fall brood of Isonychia are a little smaller than spring; use a size 14 but the Cahills tend to mostly be a 14. The last of the Summer Sulphurs, the Little Evening Yellow or Leucrocuta hebe will make an appearance along with another Blue Quill mayfly, Paraleptophlebia debilis. Use a size 18 Sulphur for the hebe and either a small Adams #18 or Blue Dun Parachute #18-20 for the Paralepts. I prefer a Pale Evening Dun for this hatch. RS2 Emergers are deadly too as the hatch begins in late afternoon.
The Hatches as of 9/15/2018
Morning until 11am:
Trico Tricorythodes Trico #22
Small Slatewinged Brown Quill Pseudocleon dubium BWO #20-22
Slate Drake aka. Iso. Isonychia bicolor Iso Dun or Parachute #12-14 Iso Emerger , Iso Nymph, Prince or Zug Bug
Cream Cahill Maccaffertium modestum Light Cahill, Sulphur #14
Little Evening Yellow Leucrocuta hebe Sulphur #18-20
Whitefly Ephoron leukon White Wulff #10-12
Baetis sp. (Vagans, Levitans etc.) Adams, BWO #18-22
Note: This is the time of year to carry terrestrials. Trout love Ant and Beetle patterns when conditions allow. Hopper patterns work well in areas bounded by grass or meadows.