What flies are hatching on the Boise River right now?

Current and seasonal hatches on the Boise River include Midge, Blue-Winged Olive, Caddis. Use the AI Hatch Advisor on this page for a live, temperature-aware recommendation.

What's the current flow on the Boise River?

The Boise River is running at 634 CFS at the At Glenwood Bridge gauge. Readings update every 15 minutes from the USGS Water Services API.

Is the Boise River fishable today?

Yes — Boise River is rated fishable right now. Current flow is 634 CFS at the At Glenwood Bridge gauge.

Boise River Fly Fishing Conditions

Live Conditions

Boise River — At Glenwood Bridge

Fishable

634CFS

Discharge

4.05ft

Gauge Height

—

Water Temp

Updated 32 min agoView on USGS ↗

7-Day Flow

→ Stable

RisingFallingStable

24-Hr Pressure

26.92 inHg · → High/stable

Falling (good)RisingHigh/stable

Local Weather

80°FClear sky

Wind 12 mph26.92 inHg Low & stable

Tough conditions — fish deep

Today

🌤️

Partly cloudy

83° / 61°

Tomorrow

☀️

Clear sky

81° / 52°

Tue

☁️

Overcast

86° / 54°

Wed

☁️

Overcast

99° / 61°

Cold front incoming — go deep with nymphs, surface activity likely slow.

Weather by Open-Meteo · No API key · Updated every 30 min

What should I fish today?

⚡ AI

AI-powered recommendation using today's live flow, temperature, and hatch data.

9

Time of Day

Using: 634 CFS · PMDs continue

What should I pack?

Rod, flies, tippet, and safety gear specific to today's Boise River conditions.

🪰 Hatch Calendar

Boise River · August · Late Summer

Full calendar →

Showing typical dates — water temperature data unavailable for live hatch predictions.

Select month

JanDec

PMDs continue (size 16-18). Caddis evenings. Hoppers (size 8-12) productive along the grassy Greenbelt banks. Higher irrigation flows still in effect. Selective rainbows and browns in the urban tailwater.

PMDCaddis

River Map

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USGS Gauge (click for site ID)Fishing Access / SectionScroll to zoom disabled — use map controls

About Boise River

Urban tailwater flowing through the heart of Boise below Lucky Peak Dam. Rainbow and brown trout fishery hidden in plain sight along the Greenbelt — a productive, walkable fishery just minutes from downtown.

MidgeBlue-Winged OliveCaddisPale Morning DunHopper

Regulations

Standard Idaho trout regulations apply in the Boise city reach — an urban fishery stocked with rainbow trout below Lucky Peak Dam. Idaho fishing license required. Verify current regs at idfg.idaho.gov before fishing.

Learn More

Guides to help you fish Boise River with more confidence.