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Ohio River at Olmsted water level

River gauge, Ohio River, Illinois, United States

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Right now

Below flood stage

Water level

20.88ft Down 2.21 ft over the last 24 hours

Flow
122,000 cfs
Water temperature
71 °F
20 30 40 50 Highest onrecord 48.20 ft Minor floodstage 36.00 ft

History

History
212223ftOct 16Oct 16Oct 17Oct 17Oct 18212223ftOct 16Oct 17Oct 18
Water level Minor flood stage

What this means

The Ohio River at Olmsted is at 20.88 ft, in the normal range.

It is 15.12 ft below the flood stage of 36.00 ft.

It has dropped 2.21 ft over the past 24 hours. In the last month it has stayed between 20.88 ft and 23.49 ft.

Fall is often low-water season on rivers, until steadier rain returns. The sensor also reports a water temperature of 71 °F.

Judged against the official flood stage for this gauge. How to read levels

Key numbers

Highest on record
48.20 ftFebruary 21, 2020

Floating and fishing near Ohio River at Olmsted

Normal flows mean predictable rapids and good access at most put-ins.

Flood stage here is 36.00 ft, 15.12 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.

Weather at the gauge

Rain in the last 3 days: 0.09 in. Rain that falls upstream can take hours or days to show up at a river gauge.

17 Sat 61° 45° – Wind 11 mph
18 Sun 66° 39° – Wind 6 mph
19 Mon 71° 43° – Wind 6 mph
20 Tue 74° 51° – Wind 7 mph
21 Wed 76° 50° – Wind 6 mph
22 Thu 78° 52° – Wind 5 mph
23 Fri 79° 52° – Wind 7 mph

Forecast: Open-Meteo

Sunrise 07:07 AM Sunset 06:17 PM Daylight 11 hr, 9 min First quarter 47%

Map

Other gauges on the Ohio River

Gauge Level Compared with normal 24 hours Distance
Ohio River at Cannelton Dam at CanneltonRiver gauge, Ohio River 15.03 ft High +0.14 ft 138 mi
Ohio River at Riverport at OwensboroRiver gauge, Ohio River 20.15 ft No reference yet +0.14 ft 113 mi
Ohio River at Newburgh Lock and DamRiver gauge, Ohio River 17.28 ft Normal −0.54 ft 106 mi
Ohio River at EvansvilleRiver gauge, Ohio River 16.27 ft High −0.44 ft 98 mi
Ohio River at HendersonRiver gauge, Ohio River 14.13 ft Normal −0.20 ft 93 mi
Ohio River at Uniontown DamRiver gauge, Ohio River 17.56 ft High −0.37 ft 72 mi
Ohio River at Old ShawneetownRiver gauge, Ohio River 17.40 ft High −0.10 ft 62 mi
Ohio River at Dam 51 at GolcondaRiver gauge, Ohio River 30.34 ft Below flood stage +0.15 ft 34 mi
Ohio River at Smithland Dam, SmithlandRiver gauge, Ohio River 13.04 ft Below flood stage −1.11 ft 35 mi
Ohio River at PaducahRiver gauge, Ohio River 16.20 ft Normal −0.09 ft 26 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Cache River at FormanRiver gauge, Cache River 8.28 ft Normal +0.01 ft 13 mi
Mayfield Creek at LovelacevilleRiver gauge, Mayfield Creek 34.1 cfs Very high −2.5 cfs 20 mi
Massac Creek near PaducahRiver gauge, Massac Creek 1.6 cfs Normal +0.1 cfs 21 mi
Mississippi River at ThebesRiver gauge, Mississippi River 17.51 ft Below flood stage −0.58 ft 22 mi
Mississippi River at Cape GirardeauRiver gauge, Mississippi River 18.42 ft Below flood stage −0.58 ft 27 mi
Lusk Creek near EddyvilleRiver gauge, Lusk Creek 1.86 ft Low −0.04 ft 35 mi
South Fork Saline River near Carrier MillsRiver gauge, South Fork Saline River 2.20 ft Very low −0.02 ft 38 mi

Questions and answers

What is flood stage for the Ohio River at Olmsted?

The official flood stage is 36.00 ft. The level is currently 15.12 ft below it.

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 Ohio River at Olmsted today?

On Oct 18, 2026, 12:00 AM CDT, the water level was 20.88 ft. Down 2.21 ft over the last 24 hours.

Is Ohio River at Olmsted rising or falling?

Down 2.21 ft over the last 24 hours.

Is the level of Ohio River at Olmsted normal?

Below flood stage. Judged against the official flood stage for this gauge.

What is the highest water level ever recorded at Ohio River at Olmsted?

The highest level on record is 48.20 ft on February 21, 2020.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:03612600 (Agency page)
Coordinates
37.17922, -89.05840 (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

ParameterLast valueTime (UTC)Quality
Water level 20.88 ft 2026-10-18 05:00 Provisional
Flow 122,000 cfs 2026-10-18 05:00 Provisional
Water temperature 71 °F 2026-10-18 05:00 Provisional

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How to cite

U.S. Geological Survey: Ohio River at Olmsted (usgs:03612600). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/illinois/ohio-river-at-olmsted

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.