South Fork Boise River fishing outlooks

The South Fork is holding at 814 cfs with prime 59-degree water—excellent wade fishing before flows drop in early September. Pinks, Baetis, caddis, and craneflies are working; Flavs, King Prince, and Rubber Legged Stones are solid patterns.

Flows have dropped and hatches are sparse, but afternoon Pink Alberts, caddis windows, and hopper action offer solid opportunities on prime 59-degree water.

The South Fork is in good shape for the week ahead with cool water and normal flows supporting consistent fishing. Drift boat coverage pairs well with roadside wading, and a mix of afternoon mayflies and all-day caddis should keep you busy.

Perfect conditions for floating and wading through mid-August. Caddis and terrestrial hatches dominate, with good chances on dries and streamers.

Expect ideal conditions on the South Fork with manageable flows and all-day hatches through early August. Water temperature is prime and hoppers with droppers should perform well.

Stable flows and rising pressure create good conditions for the week ahead. Watch for salmon fly activity as temperatures climb, but have smaller dries and nymphs ready if the hatch hasn't fully developed.