Updated
Illinois River
River
Use caution — flow is well above normal for this date
Use cautionUse caution — flow is well above normal for this date: live streamflow is available but no water-temperature sensor is nearby.
- Streamflow 13,900 ft³/s
- Gage height 6.27 ft
Live, provisional data from USGS gauge ILLINOIS RIVER AT KINGSTON MINES, IL (5.7 mi away), as of Oct 20, 12:45 AM gauge-local time.
- Flow is above the 75th percentile for Oct 20 (median 6,320 ft³/s over 87 years); fast water is the top river-drowning risk. — USGS daily streamflow statistics, as of Oct 20, 12:45 AM gauge-local time
Why, sources & official advisories
- Live streamflow is available but no water-temperature sensor is nearby. — USGS gauge 05568500, as of Oct 20, 12:45 AM gauge-local time
No official beach-advisory feed for Illinois yet — follow posted signs and local guidance.
The Illinois River is a principal tributary of the Mississippi River at approximately 273 miles in length. Located in the U.S. state of Illinois, the river has a drainage basin of 28,756.6 square miles.
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Weather at Illinois River
54°F, Partly Cloudy · H 71° / L 51° · 2% chance of rain3-day forecast
Frequently asked questions
- Where is Illinois River?
- Illinois River is a river in Illinois.
- Can you swim at Illinois River?
- Use caution — flow is well above normal for this date: live streamflow is available but no water-temperature sensor is nearby. Checked October 20, 2026.
- How is Illinois River rated?
- Illinois River in Illinois has an average visitor rating of 4.5 out of 5, based on 342 reviews.
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Location & Contact
Illinois
Illinois None
🌊 Best times & visiting tips
- ›Check water levels and current conditions before visiting
- ›Wear life jackets when on the water
- ›Be aware of rapids and potential hazards
- ›Respect private property along riverbanks
Features & amenities
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