Iroquois River Flow Today
As of October 5, 2026 at 1:45 AM, the Iroquois River is flowing at 646 cfs near Chebanse, IL — 491% of normal for the date and up 11% in 24 hours. 4 of 4 USGS gauges reported in the last 3 days; flows range from 214 to 646 cfs. ❤ Favorite
Iroquois River map
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Iroquois River conditions today
Where the river is running versus normal, what’s rising or dropping, and what it means for a trip — built from the live USGS readings below.
At Chebanse, the Iroquois River is running 646 cfs — 491% of normal, up 11% since yesterday. Along the river, 4 of 4 reporting gauges are above normal (the typical gauge is at 549% of normal).
In the last 24 hours the river is rising at Chebanse (+11%); dropping at Rensselaer (-20%) and Foresman (-19%).
Highest against normal: Rensselaer at 738%. Lowest: Foresman at 364%.
How the Iroquois River compares to normal
Every reporting gauge from the top of the river to the bottom: bar length is today’s flow, colour is percent of normal for the date.
Flow along the river, upstream to downstream
- Rensselaer656 ft 214 cfs738%
- Foresman653 ft 277 cfs364%
- Iroquois638 ft 460 cfs606%
- Chebanse600 ft 646 cfs491%
Bar length uses a square-root scale so small headwater flows stay visible next to big downstream ones. Colour: <50% 50–90 90–110 110–150 150%+ of normal.
Where every gauge sits
One dot per Iroquois River streamgauge, placed by its own percent of normal. The line is the typical gauge (549%).
Iroquois River flow report
| Streamgage | Streamflow | % of normal | 24h | Gage height | To flood stage | Elevation |
|---|---|---|---|---|---|---|
|
Iroquois River At Rensselaer IN
Oct 5, 3:30 AM · USGS 05522500 |
214 cfs | 738% | -20% | 5.44 ft | 6.6 ft below | 656 ft |
|
Iroquois River Near Foresman IN
Oct 5, 3:45 AM · USGS 05524500 |
277 cfs | 364% | -19% | 7.28 ft | 10.7 ft below | 653 ft |
|
Iroquois River At Iroquois IL
Oct 5, 1:00 AM · USGS 05525000 |
460 cfs | 606% | +7% | 7.81 ft | 10.2 ft below | 638 ft |
|
Iroquois River Near Chebanse IL
Oct 5, 1:45 AM · USGS 05526000 |
646 cfs | 491% | +11% | 3.85 ft | 12.2 ft below | 600 ft |
USGS provisional data. Readings are in each gauge’s local time; gauges silent for more than 3 days are marked “Last reported”. Tap any gauge for its hydrograph, forecast and history.
Iroquois River streamflow over time
Daily total flow across every monitored gauge on the river.
Maximum streamflow by year
Iroquois River
The Iroquois River is a 103-mile-long river that runs through northeastern Illinois and northwestern Indiana, eventually flowing into the Kankakee River. The river was named after the Iroquois people who once inhabited the region. The river has been historically important for transportation and agriculture, with several small towns and farms located along its banks. The river is also known for its hydrological properties, with several reservoirs and dams located along its course, including the Langham Creek Dam and the Sugar Creek Dam. These dams provide important flood control measures and irrigation for local agricultural operations. The river is also a popular spot for recreational activities such as fishing and boating, with several public parks and boat launches available for visitors.
Fishing near the Iroquois River
About the Iroquois River
How is the Iroquois River flowing right now?
As of October 5, 2026, the Iroquois River is flowing at 646 cfs near Chebanse, IL, about 491% of normal for the date. Across its 4 USGS gauges, current flows range from 214 to 646 cfs. Every gauge’s live reading is in the table above.
Is the Iroquois River running high or low?
The typical gauge on the Iroquois River is at 549% of normal for the date. Above 100% means higher than the historical average for this calendar day; below 100% means lower. The profile above shows which reaches are high or low.
What is flood stage on the Iroquois River?
The National Weather Service sets flood stages for Rensselaer (12.0 ft), Foresman (18.0 ft), Iroquois (18.0 ft), Chebanse (16.0 ft). The table shows how far each gauge is below its flood stage right now.
Where does the data come from?
Discharge and gage height are from the USGS National Water Information System; flood stages from the National Weather Service. The history chart sums every monitored gauge on the river.
Can I get alerts for a gauge?
Yes — open any gauge from the table, favorite it in the Snoflo app and set a flow threshold.