Browse Idaho Fishing Reports

Covers Aug 5–12

The Big Lost is dropping into low-flow summer conditions and fishing despite angler pressure. Expect hatch activity through the morning and afternoon, with both dry-fly and nymph opportunities. Move frequently to find fish that haven't seen multiple casts.

Covers Aug 5–12

Low flows persist with clear, rising pressure and minimal precipitation expected. Fish the morning window aggressively; afternoon fishing will be slower as water warms.

Covers Aug 5–12

Late-summer conditions on the Salmon River call for tactical timing and water sense. Rising pressure and stable weather should hold through the outlook window, but declining flows and persistent warmth mean fish will be selective and stress-sensitive.

Covers Aug 5–12

Normal flows and prime water temps favor traditional tactics and hatch-matching approaches. Early mornings offer the strongest surface feeding on Tricos; plan to adjust patterns and techniques as the day progresses.

Covers Aug 5–12

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

August fishing on the Henrys Fork rewards early starts. Stable, moderate flows and low-70s water temps create solid conditions if you time your approach. Focus on cooler water near springs and shaded runs; small dries work well in the morning and evening hours.

Henrys Fork is running stable flows around 1,300 cfs with clear conditions. Watch for afternoon thunderstorm turbidity on the upper water.

Lower flows have eased access on the South Fork, but heat makes fish selective—fish early and late when hatches are active.

Covers Jul 29–Aug 5

The Big Lost's North Fork and main stem are in good shape heading into early August, with manageable flows and morning hatches of Tricos and PMDs. Plan to move around the East Fork's heavier pressure and pack attractors in multiple sizes.