What flies are hatching on the Illinois River right now?

Current and seasonal hatches on the Illinois River include Caddis, Hopper, Popper. Use the AI Hatch Advisor on this page for a live, temperature-aware recommendation.

What's the current flow on the Illinois River?

The Illinois River is running at 237 CFS at the Illinois River at Chewey, OK (upper scenic-river reach) gauge. Readings update every 15 minutes from the USGS Water Services API.

Is the Illinois River fishable today?

Yes — Illinois River is rated fishable right now. Current flow is 237 CFS at the Illinois River at Chewey, OK (upper scenic-river reach) gauge.

Illinois River Fly Fishing Conditions

Live Conditions

Illinois River — Illinois River at Chewey, OK (upper scenic-river reach)

Fishable

237CFS

Discharge

2.40ft

Gauge Height

—

Water Temp

Updated 1 hr agoView on USGS ↗

7-Day Flow

↓ Falling

RisingFallingStable

24-Hr Pressure

29.17 inHg · → High/stable

Falling (good)RisingHigh/stable

Local Weather

82°FClear sky

Wind 6 mph29.17 inHg Low & stable

Tough conditions — fish deep

Today

🌤️

Mainly clear

100° / 75°

Tomorrow

☁️

Overcast

102° / 76°

Wed

☁️

Overcast

100° / 79°

Thu

🌤️

Mainly clear

98° / 72°

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: 237 CFS · Terrestrials; Poppers; Clouser Minnows; bass feeding pre-winter

What should I pack?

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

🪰 Hatch Calendar

Illinois River · September · Early Fall

Full calendar →

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

Select month

JanDec

Terrestrials; Poppers; Clouser Minnows; bass feeding pre-winter

Terrestrials

River Map

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

About Illinois River

The Illinois River is the crown jewel of Oklahoma float fishing — a designated scenic river winding through the Ozark foothills west of Tahlequah. Smallmouth bass hit topwater aggressively from May through October in the clear, gravel-bottomed riffles. The upper river near Tenkiller is more technical; the lower float stretches are ideal for beginners on canoes and kayaks.

CaddisHopperPopper

Regulations

Oklahoma scenic river regulations apply — no motorized boats, restrictions on bank camping. Standard sport fish regulations for bass and catfish. Check ODWC for current size and bag limits.

Learn More

Guides to help you fish Illinois River with more confidence.