Boyer River at Logan water level

Name: Boyer River at Logan water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, Boyer River, Iowa, United States

Directions

Below flood stage

Water level

4.79ft Down 0.05 ft over the last 24 hours

Measured Oct 19, 2026, 08:00 AM CDT (1 hour ago)

Flow: 559 cfs

History

7 days

Water level Minor flood stage

What this means

The gauge at Boyer River at Logan reads 4.79 ft, a normal level.

It is 16.21 ft below the flood stage of 21.00 ft.

The level is falling, down 0.05 ft over the past 24 hours. Over the past 30 days it has moved between 4.79 ft and 5.06 ft.

Fall is often low-water season on rivers, until steadier rain returns.

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

Key numbers

Highest on record: 25.33 ftMarch 13, 2019

What the stage means on the water

A normal level is usually prime time for floating and wade fishing, as long as the weather holds upstream.

The National Weather Service puts flood stage for this gauge at 21.00 ft, still 16.21 ft away.

What happens at each level

25.00 ft: Widespread flooding is occurring in areas upstream and downstream of Logan, likely impacting portions of Woodbine and Missouri Valley. Logan itself is largely unaffected except for areas right along the river from 6th Avenue down through 11th Street. Also at this level the railroad bridge east of town begins to be impacted.
22.00 ft: Highway 30 will flood in a few low spots between Missouri Valley and Logan.
21.00 ft: The ballfields north of town are flooded.
20.50 ft: Buildings along the west bank of the river, south of 8th street but west of the railroad tracks, begin to flood.
19.00 ft: There is considerable overbank flooding upstream of Logan with downstream overbank flooding also occurring but less substantial. Floodwater may begin to encroach on the ballfields north of town may begin to be impacted.
4.79 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: 5 %.

Rank	Level	Date
1	25.33 ft	March 13, 2019
2	25.22 ft	March 1, 1965
3	24.75 ft	June 8, 2008
4	23.87 ft	July 17, 1996
5	23.02 ft	June 21, 1996
6	22.67 ft	June 16, 1957
7	22.65 ft	February 19, 1971
8	22.54 ft	June 17, 1990
9	22.47 ft	March 18, 1979
10	22.19 ft	July 9, 1993

Weather at the gauge

Rain in the last 3 days: 0.90 in. Rain that falls upstream can take hours or days to show up at a river gauge.

17 Sat 60° 32° – Wind 16 mph

18 Sun 64° 40° – Wind 17 mph

19 Mon 67° 42° – Wind 12 mph

20 Tue 69° 49° – Wind 13 mph

21 Wed 74° 55° 0.02 in Wind 15 mph

22 Thu 76° 56° – Wind 12 mph

23 Fri 76° 62° – Wind 20 mph

Forecast: Open-Meteo

Sunrise 07:40 AM Sunset 06:37 PM Daylight 10 hr, 57 min First quarter 59%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Soldier River at PisgahRiver gauge, Soldier River	3.14 ft	Below flood stage	+0.02 ft	15 mi
Willow Creek near SoldierRiver gauge, Willow Creek	65.58 ft	Below flood stage	−0.02 ft	20 mi
Big Papillion Creek near BlairRiver gauge, Big Papillion Creek	11.42 ft	Normal	−0.02 ft	24 mi
Little Sioux River near TurinRiver gauge, Little Sioux River	8.21 ft	Below flood stage	+0.12 ft	24 mi
Monona-Harrison Ditch near TurinRiver gauge, Monona-Harrison Ditch	4.79 ft	Below flood stage	−0.01 ft	25 mi
Big Papillion Creek near KennardRiver gauge, Big Papillion Creek	8.08 ft	Normal	−0.03 ft	25 mi
Thomas Creek near BenningtonRiver gauge, Thomas Creek	2.83 ft	Normal	+0.13 ft	25 mi
Little Papillion Creek at IrvingtonRiver gauge, Little Papillion Creek	4.08 ft	Very high	−0.02 ft	27 mi

Questions and answers

What is flood stage for the Boyer River at Logan?

The official flood stage is 21.00 ft. The level is currently 16.21 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 Boyer River at Logan today?

On Oct 19, 2026, 08:00 AM CDT, the water level was 4.79 ft. Down 0.05 ft over the last 24 hours.

Is Boyer River at Logan rising or falling?

Down 0.05 ft over the last 24 hours.

Is the level of Boyer River at Logan normal?

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

What is the highest water level ever recorded at Boyer River at Logan?

The highest level on record is 25.33 ft on March 13, 2019.

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:06609500 (Agency page)
Coordinates: 41.64169, -95.78233 (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	4.79 ft	2026-10-19 13:00	Provisional
Flow	559 cfs	2026-10-19 13:00	Provisional

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How to cite

U.S. Geological Survey: Boyer River at Logan (usgs:06609500). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/iowa/boyer-river-at-logan

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