Illinois
Illinois River at Henry
Current River Rating
Excellent · 90
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
Sunday, 6:00 PM–9:00 PM
Why
- Cloud cover is generally suitable for fishing.
- 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
- 2710 CFS
- Gage Height
- 14.5 ft
- Water Temperature
- 85.3 °F
- Observation Time
- Sep 5, 2026, 6:45 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
76°F
Feels like
84°F
Wind
3 mph SW
Wind gust
8 mph
Current precipitation
0.00 in
Updated
Sep 5, 2026, 2:45 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
Sat 3 AM
Clear
Temp 76°F
Chance 5%
Precip 0.00 in
Wind 3 mph
Sat 7 AM
Clear
Temp 74°F
Chance 6%
Precip 0.00 in
Wind 2 mph
Sat 11 AM
Clear
Temp 87°F
Chance 1%
Precip 0.00 in
Wind 5 mph
Sat 3 PM
Clear
Temp 94°F
Chance 0%
Precip 0.00 in
Wind 9 mph
Sat 7 PM
Clear
Temp 84°F
Chance 0%
Precip 0.00 in
Wind 9 mph
Sat 11 PM
Clear
Temp 73°F
Chance 1%
Precip 0.00 in
Wind 7 mph
Four-Day Forecast
Sat, Sep 5
Clear
High 94°F / Low 73°F
Chance 13%
Precip 0.00 in
Max gust 22 mph
Sun, Sep 6
Overcast
High 84°F / Low 65°F
Chance 2%
Precip 0.00 in
Max gust 24 mph
Mon, Sep 7
Overcast
High 80°F / Low 60°F
Chance 2%
Precip 0.00 in
Max gust 23 mph
Tue, Sep 8
Overcast
High 93°F / Low 62°F
Chance 1%
Precip 0.00 in
Max gust 35 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
Illinois River at Henry, Illinois. Monitoring-Backed from USGS (live 00010, 00060, 00065). USGS 05558300 is the bounded Peoria Pool / Henry fishing reach, not Marseilles 05543500, not Seneca 05543010, not Starved Rock 05553700, not Kingston Mines 05568500, and not a generic statewide Illinois River pin. Flow Context remains default-deny.
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
Fishery overview
The Illinois River at Henry is the Peoria Pool mainstem warmwater fishery in Marshall County. StrikeTracks publishes Monitoring-Backed conditions from USGS 05558300 using live water temperature, discharge, and stage. Starved Rock, Marseilles, and Seneca lack live 00010 and are not this pin. This is not a statewide Illinois River clone. Flow Context remains default-deny.
Target species
Channel Catfish
Ictalurus punctatus
- Expectation
- Primary
- Population
- Established
- Native status
- native
- Confidence
- High confidence
Illinois River Peoria Pool channel catfish at Henry. USGS 05558300 live 00010. Marseilles 05543500, Seneca 05543010, and Starved Rock 05553700 are not substituted.
Source: Illinois Department of Natural Resources Division of Fisheries
Walleye
Sander vitreus
- Expectation
- Common
- Population
- Established
- Native status
- native
- Confidence
- High confidence
Illinois River walleye on the Peoria Pool. IDNR also documents sauger below Starved Rock; sauger is notes-only and is not a StrikeTracks species ID.
Source: Illinois Department of Natural Resources Division of Fisheries
White Bass
Morone chrysops
- Expectation
- Common
- Population
- Established
- Native status
- native
- Confidence
- High confidence
Illinois River white bass at Henry.
Source: Illinois Department of Natural Resources Division of Fisheries
Flathead Catfish
Pylodictis olivaris
- Expectation
- Present
- Population
- Established
- Native status
- native
- Confidence
- High confidence
Illinois River flathead catfish at Henry.
Source: Illinois Department of Natural Resources Division of Fisheries
Largemouth Bass
Micropterus nigricans
- Expectation
- Present
- Population
- Established
- Native status
- native
- Confidence
- High confidence
Illinois River largemouth in Henry-area backwaters.
Source: Illinois Department of Natural Resources Division of Fisheries
Fishery characteristics
- Composition
- Mixed wild and stocked
- Great Lakes tributary
- No
- Flow regime
- Regulated flow
Illinois River navigation pool at Henry, between Starved Rock Lock and Dam and Peoria. Large backwater and main-channel warmwater habitat. Distinct from the Starved Rock tailrace and from the lower Illinois at Valley City.
Best seasons
- Spring
- Summer
- Fall
Common techniques
- Boat fishing
- Fly fishing
- Shore fishing
- Spinning
Access and Public Fishing Rights
Public Illinois River access is documented at Henry and on the Peoria Pool. Catalog coordinates are USGS 05558300.
Stocking information
IDNR Illinois River profiles document sauger, walleye, white bass, and channel catfish fisheries. Sauger is notes-only; sauger is not a StrikeTracks species ID. Confirm current official stocking and harvest notices.
Official sources
Illinois inland fishing regulations apply. There is a fish consumption advisory for channel catfish on parts of the Illinois River. This pin is not Starved Rock and not a statewide clone. Confirm current official IDNR regulations.
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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