Illinois
Illinois River at Henry
Location Snapshot
Illinois River at Henry is a Peoria Pool mainstem fishery in Marshall County, with broad navigation-pool water, backwaters, and warmwater channel habitat between Starved Rock and Peoria. Channel catfish, white bass, walleye, and largemouth bass define the supported target mix for this large-river fishery.
Current River Rating
Good · 84
Conditions look favorable based on the available readings.
Scores are model-specific and are not directly comparable across water types.
Medium confidence
Should I Go?
Go
Recommended Window
Tuesday, 5:00 PM–8:00 PM
Why
- Water temperature is within a broad fishable range.
- Air temperature is comfortable for fishing.
Favorable Factors
- Light to moderate wind should make casting and boat control easier.
- Recent precipitation has been light.
Timing Evidence
Window confidence: Medium
Current Readings
- Flow
- 10300 CFS
- Gage Height
- 15.17 ft
- Water Temperature
- 59.7 °F
- Observation Time
- Oct 20, 2026, 9:45 AM
Updated recently · USGS station 05558300 · Direct monitoring location
Readings from past 7 Days
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Historical readings are provided for context. Readings outside the current freshness window are not used to rate current conditions.
Better Nearby Options
Checking nearby StrikeTracks waters…
Preliminary guidance only. Always assess current weather, access, water depth, current speed, and your own ability before entering the river.
Changing Conditions Advisory
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Weather Near Gauge
Current Weather
Clear
Temperature
43°F
Feels like
37°F
Wind
3 mph E
Wind gust
3 mph
Current precipitation
0.00 in
Updated
Oct 20, 2026, 3:00 AM
Recent Rainfall
Estimated precipitation near this gauge
Last 6 hours
0.00 in
Last 24 hours
0.00 in
Last 48 hours
0.00 in
Little recent rainfall near this river.
Next 24 Hours
Tue 5 AM
Clear
Temp 40°F
Chance 0%
Precip 0.00 in
Wind 4 mph
Tue 9 AM
Clear
Temp 45°F
Chance 0%
Precip 0.00 in
Wind 1 mph
Tue 1 PM
Clear
Temp 66°F
Chance 0%
Precip 0.00 in
Wind 1 mph
Tue 5 PM
Clear
Temp 68°F
Chance 0%
Precip 0.00 in
Wind 2 mph
Tue 9 PM
Clear
Temp 52°F
Chance 0%
Precip 0.00 in
Wind 5 mph
Wed 1 AM
Clear
Temp 46°F
Chance 0%
Precip 0.00 in
Wind 2 mph
Four-Day Forecast
Tue, Oct 20
Mostly clear
High 70°F / Low 38°F
Chance 0%
Precip 0.00 in
Max gust 12 mph
Wed, Oct 21
Clear
High 72°F / Low 42°F
Chance 2%
Precip 0.00 in
Max gust 11 mph
Thu, Oct 22
Overcast
High 74°F / Low 55°F
Chance 1%
Precip 0.00 in
Max gust 7 mph
Fri, Oct 23
Overcast
High 75°F / Low 55°F
Chance 0%
Precip 0.00 in
Max gust 23 mph
Weather and rainfall are estimated for this river's coordinates. Local conditions can vary, especially in mountainous terrain and during isolated storms.
Recent rainfall can influence river flow, but the timing and magnitude depend on watershed size, soil conditions, upstream reservoirs, and dam releases.
Weather data: Open-Meteo
Historical Flow
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Fishing Overview
The Illinois River at Henry is on the river formed by the Kankakee and the Des Plaines, and locks and dams divide it into pools.
Fishery Profile
Documented species you may encounter at Illinois River.
Species images are AI-generated illustrations for visual reference and may simplify natural variation. Fishery records are based on the cited agency sources. About fish illustrations
Target species
Channel Catfish
Ictalurus punctatus
- Expectation
- Primary
- Population
- Established
- Native status
- native
- Confidence
- High confidence
Source: Illinois Department of Natural Resources Division of Fisheries
Walleye
Sander vitreus
- Expectation
- Common
- Population
- Established
- Native status
- native
- Confidence
- High confidence
Source: Illinois Department of Natural Resources Division of Fisheries
White Bass
Morone chrysops
- Expectation
- Common
- Population
- Established
- Native status
- native
- Confidence
- High confidence
Source: Illinois Department of Natural Resources Division of Fisheries
Flathead Catfish
Pylodictis olivaris
- Expectation
- Present
- Population
- Established
- Native status
- native
- Confidence
- High confidence
Source: Illinois Department of Natural Resources Division of Fisheries
Largemouth Bass
Micropterus nigricans
- Expectation
- Present
- Population
- Established
- Native status
- native
- Confidence
- High confidence
Source: Illinois Department of Natural Resources Division of Fisheries
Fishery characteristics
- Composition
- Mixed wild and stocked
- Great Lakes tributary
- No
- Flow regime
- Regulated flow
Best seasons
- Spring
- Summer
- Fall
Common techniques
- Boat fishing
- Fly fishing
- Shore fishing
- Spinning
Official sources
Hatch Match
General fly suggestions
- Popper-style surface flyGeneral warmwater surface family. Not an insect Hatch event.
- Woolly-bugger-style streamerGeneral warmwater streamer family. Not a baitfish Hatch event.
- Crayfish-style flyGeneral subsurface family. Crayfish forage is not a Hatch insect.
These are general fishing suggestions, not a report of insects currently hatching at this destination.
Location and Access
USGS monitoring location
Marshall, Illinois
The map marker represents the cataloged waterbody or monitoring location and may not indicate legal parking or public access. Confirm access through the official information before visiting.
River Details
County
Marshall
Management Category
Inland warmwater river
Regulation Scope
Illinois River at Henry.
Regulation Summary
Illinois River at Henry: Illinois inland fishing regulations on the Peoria Pool / Henry reach. Confirm current official regulations.
Target Species
Channel Catfish, White Bass, Walleye, Largemouth Bass
Access, Parking, and Regulations
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