Green River near Geneseo water level
River gauge, Green River, Illinois, United States
Right now
High for mid-October
Water level
- Flow
- 1,000 cfs
History
20252026
What this means
The Green River near Geneseo is above normal at 4.93 ft.
The median for mid-October is 3.21 ft, based on 33 years of readings, so the river stage is 1.72 ft above typical. It is 10.07 ft below the flood stage of 15.00 ft. On the same day last year the reading was 1.85 ft, a difference of +3.08 ft.
It has dropped 0.21 ft over the past 24 hours. In the last month it has stayed between 3.95 ft and 12.49 ft.
That stands out in fall, when many rivers are usually near their lowest.
Compared with 33 years of daily readings for this time of year. How to read levels
Key numbers
- Median for this date
- 3.21 ft1.72 ft above the median for this date
- Normal for this date
- 1.69 ft – 5.35 ft8 years in 10 fall in this range (33 years of records)
- Same day last year
- 1.85 ft+3.08 ft
- Lowest and highest in 30 days
- 3.95 ft – 12.49 ft
- Lowest and highest in 12 months
- 1.85 ft – 12.69 ft
- Highest on record
- 21.59 ftJanuary 23, 1969
Floating and fishing near Green River near Geneseo
Experienced paddlers may enjoy higher water, but many outfitters stop rentals once a river runs this high.
Flood stage here is 15.00 ft, 10.07 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.
What happens at each level
- 24.00 ft
- Water reaches the bottom of the Grange Road bridge deck.
- 19.30 ft
- Water reaches the bottom of the Illinois Highway 82 bridge deck in Geneseo.
- 18.00 ft
- Water inundates 10th Avenue in south Colona. Water affects levees downstream of Illinois Highway 84.
- 15.50 ft
- Water affects Illinois Highway 84 north of U.S. Highway 6 in the Colona area.
- 14.50 ft
- Water affects some roads around south Colona.
- 4.93 ft
- Right now
Impact statements from the U.S. National Weather Service.
Highest crests on record
Chance of at least minor flooding in October to December: 13 %.
| Rank | Level | Date |
|---|---|---|
| 1 | 21.59 ft | January 23, 1969 |
| 2 | 19.38 ft | May 30, 2011 |
| 3 | 18.77 ft | October 18, 1998 |
| 4 | 18.48 ft | July 1, 2014 |
| 5 | 18.32 ft | December 27, 2008 |
| 6 | 17.93 ft | June 5, 2002 |
| 7 | 17.90 ft | May 30, 2019 |
| 8 | 17.86 ft | March 9, 2009 |
| 9 | 17.59 ft | September 14, 2008 |
| 10 | 16.73 ft | May 13, 2010 |
Weather at the gauge
Rain in the last 3 days: 0.21 in. Rain that falls upstream can take hours or days to show up at a river gauge.
Forecast: Open-Meteo
Map
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Rock River near JoslinRiver gauge, Rock River | 7.28 ft | Normal | −0.16 ft | 4.9 mi |
| Crow Creek at BettendorfRiver gauge, Crow Creek | 3.51 ft | Low | ±0 | 16 mi |
| Mississippi River at ClintonRiver gauge, Mississippi River | 9.40 ft | Below flood stage | +0.02 ft | 21 mi |
| Mill Creek at MilanRiver gauge, Mill Creek | 2.25 ft | High | +0.07 ft | 21 mi |
| Wapsipinicon River near De WittRiver gauge, Wapsipinicon River | 8.75 ft | Below flood stage | +0.03 ft | 27 mi |
| Mississippi River at Dam 13 near FultonRiver gauge, Mississippi River | 4.86 ft | Below flood stage | +0.13 ft | 28 mi |
| Rock River at ComoRiver gauge, Rock River | 5.13 ft | Below flood stage | −0.09 ft | 29 mi |
| Rock River above Sinnissippi Dam at Rock FallsRiver gauge, Rock River | 6.67 ft | Very high | −0.02 ft | 32 mi |
Questions and answers
Is the Green River near Geneseo higher than last year?
Yes, it is 3.08 ft higher than on the same day last year, when the reading was 1.85 ft.
What is flood stage for the Green River near Geneseo?
The official flood stage is 15.00 ft. The level is currently 10.07 ft below it.
What is a normal level for the Green River near Geneseo in mid-October?
The median for mid-October is 3.21 ft. In 8 years out of 10 the reading falls between 1.69 ft and 5.35 ft, based on 33 years of records.
Is gage height the same as water depth?
No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.
What is the water level of Green River near Geneseo today?
On Oct 18, 2026, 11:30 AM CDT, the water level was 4.93 ft. Down 0.21 ft over the last 24 hours.
Is Green River near Geneseo rising or falling?
Down 0.21 ft over the last 24 hours. Down 0.27 ft over the last 7 days.
Is the level of Green River near Geneseo normal?
High for mid-October. Compared with 33 years of daily readings for this time of year.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- U.S. Geological Survey
- Station code
usgs:05447500(Agency page)- Coordinates
41.48893, -90.15801(WGS84)- Vertical datum
- NAVD88
- Update interval
- every 15 minutes
- Licence
- Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision
Published series
| Parameter | Last value | Time (UTC) | Quality |
|---|---|---|---|
| Water level | 4.93 ft | 2026-10-18 16:30 | Provisional |
| Flow | 1,000 cfs | 2026-10-18 16:30 | Provisional |
Download
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How to cite
U.S. Geological Survey: Green River near Geneseo (usgs:05447500). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/illinois/green-river-near-geneseo
How we check values
Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.
Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer