As we move into September expect the better fishing to shift back to the middle of the day through the afternoon and evenings. The summer hatches will slowly wane and give way to Fall Baetis, Red Quills, and Mahogany Duns. The terrestrial fishing this time of year can be fantastic. Tossing hoppers, ants or beetles can be a great way to turn picky feeders. Also, with the start of school and hunting season, the angler pressure significantly drops.
SILVER CREEK—The morning activity is brief. You will still find Tricos and Baetis, along with a few Callibaetis Spinners on the water. Hopefully the afternoon Callibaetis action will pick up. This bug is smaller than the early season Callibaetis, so you will need to have plenty of size 18 imitations. Callibaetis are easily identified by their rhythmic bouncing just above the water. Windy days can be a blessing; Callibaetis are one of the few bugs that doesn’t get blown away. We should also begin to see a Fall Baetis emergence and simultaneous spinner fall as the days get shorter and cooler. Also, we have an abundance of hoppers, and when the wind blows the fish will key on them.
BIG WOOD RIVER—The Wood continues to shine. As we head into September it will only get better. If you go, no need to go early since the best fishing is shifting to the late morning through the early evening. Tricos can be found in certain stretches of the lower and middle river along with Baetis, Micro Caddis, Rusty Spinners and Ginger Crane Flies. Look for fish feeding on these small bugs in the slow and shallow tailouts. Red Quills may make an appearance as the weather cools. If no bugs are present, hoppers and ants can really save the day. Trailing a small nymph can also be effective.
WARM SPRINGS AND TRAIL CREEK—These creeks provide a great alternative for those seeking a small stream experience. You will find a mixed bag of wild and stocked fish; please return the wild ones as quickly as possible. Expect to see rusty Spinner, Caddis, Ants, Hoppers and some Spruce Moths.
UPPER BIG LOST RIVER—The fishing on the main stem of the Upper Lost is decent while the upper reaches have gotten a bit skinny. With cooler mornings in the high country, the fishing is best from the middle of the day into the late afternoon. As usual, cover a lot of ground to find fish.
BIG LOST BELOW MACKAY—Flows are lingering around 400 CFS. This is a fishable level, but wading can be challenging. The Trico hatch has been very good and Baetis are beginning to gain steam. In the morning, anglers may find fish eagerly feeding on the surface on the abundant Tricos, Baetis and Crane Flies in the back eddies and slower sections of water. When the morning hatch is done, the fishing can really slow down, but searching the riffles and deep water with nymphs can be productive.
SALMON RIVER—As you travel the length of this river, there are plenty of pull offs to park your car and explore the broad riffles, runs, or pocket water. Spruce Moths are still a major player and can provide excellent dry fly fishing. Standard nymphs and buggers are also effective.
SOUTH FORK OF THE BOISE—The flows are up to 1150 CFS and fishing from a drift boat is the best option until the water drops later this month. The bug activity has been slow to get going with a smattering of Flavs, Pink Alberts and Baetis hatching in the afternoon. Deep nymphing can be a good option when no bugs present. Euro Nymping the shallower riffles has been very effective on whitefish and trout.
LOCAL PONDS—Penny and Lake Creek ponds along with Gavers Lagoon have been stocked and make great locations for a family fishing picnic.