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Two canoes crossing open water between forested points in the Boundary Waters

Illinois River

Illinois. Streamflow and water-temperature readings from USGS gauges. Running 13,500 cfs as of Aug 1, 2026, 12:45 PM CDT.

Latest Reading

13,500
cubic feet / second
76.8°F
water temperature (24.9°C)
6
USGS gauges

Flow measured Aug 1, 2026, 12:45 PM CDT at gauge 05568500. Temperature measured Aug 1, 2026, 12:45 PM CDT at gauge 05558300. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

Where Illinois River is measured

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6 USGS gauges on Illinois River — open one for its live readings on the USGS site. The other pins are places to stay, from Stay22.

USGS Gauges on Illinois River

GaugeStationWater temp?
05542500ILLINOIS RIVER AT MORRIS, IL—
05543500ILLINOIS RIVER AT MARSEILLES, IL—
05558300ILLINOIS RIVER AT HENRY, ILYes
05568500ILLINOIS RIVER AT KINGSTON MINES, IL—
05585500ILLINOIS RIVER AT MEREDOSIA, IL—
05586100ILLINOIS RIVER AT VALLEY CITY, IL—

Stays via Stay22

Where to stay near Illinois River

Compare cabins, lodges, and vacation rentals near Illinois River in Illinois — live availability and prices for your dates. Switch the map to Satellite to see how close each stay sits to the water.

Top-rated places to stay near Illinois River

Prices for Sep 18–20, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

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Conditions: USGS NWIS (public domain).