Perry Creek at 38th Street at Sioux City water level

Name: Perry Creek at 38th Street at Sioux City 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, Perry Creek, Iowa, United States

Directions

Low for late October

Water level

6.55ft Steady over the last 24 hours

Measured Oct 21, 2026, 04:00 AM CDT (32 min ago)

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %) Minor flood stage

What this means

Low water at Perry Creek at 38th Street at Sioux City: the gauge reads 6.55 ft, below normal for late October.

That puts it 0.18 ft below the median of 6.73 ft for late October, based on 35 years of readings. It is 17.45 ft below the flood stage of 24.00 ft. A year ago it stood at 6.66 ft (−0.11 ft).

The level has held steady over the past 24 hours. Without real rain upstream, that is unlikely to change quickly. The 30-day range is 6.53 ft – 6.67 ft.

Fall is often low-water season on rivers, and it usually takes a few days of steady rain to change that.

Compared with 35 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 6.73 ft0.18 ft below the median for this date
Normal for this date: 6.45 ft – 7.25 ft8 years in 10 fall in this range (35 years of records)
Same day last year: 6.66 ft−0.11 ft
Lowest and highest in 30 days: 6.53 ft – 6.67 ft
Lowest and highest in 12 months: 6.49 ft – 8.69 ft
Highest on record: 28.54 ftMay 19, 1990

Paddling and fishing conditions

At low levels, plan for shorter paddling trips and expect to walk your boat through a few shoals.

For reference, flood stage is 24.00 ft.

What happens at each level

29.00 ft: The 38th St bridge is overtopped.
28.00 ft: The north levee near Hamilton and Stone Park Blvd is overtopped and residential areas near 38th begin to flood.
27.00 ft: The bridge on Stone Park Blvd may be overtopped.
26.50 ft: Structures between Hamilton and Stone Park Blvd may be in danger of flooding should levee protection fail and some backyards near 38th St may begin to flood.
26.00 ft: Flooding begins to affect Dearborn Street between 38th Street and Stone Park Boulevard.
24.50 ft: Water reaches the bottom of the bridge on Stone Park Blvd
24.00 ft: The wooded area north of Country Club Blvd is flooded.
16.00 ft: The lowest portions of the bike trail under Hamilton Blvd begin to flood.
6.55 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	28.54 ft	May 19, 1990
2	25.04 ft	June 17, 2014
3	22.85 ft	March 13, 2019
4	19.44 ft	July 30, 2010
5	19.20 ft	April 23, 1985
6	18.16 ft	June 20, 1984
7	17.93 ft	July 18, 1989
8	17.88 ft	June 1, 1991
9	16.92 ft	February 18, 1994
10	15.96 ft	March 17, 1986

Weather at the gauge

Rain in the last 3 days: 0.28 in. Rain that falls upstream can take hours or days to show up at a river gauge.

17 Sat 62° 31° – Wind 18 mph

18 Sun 67° 42° – Wind 16 mph

19 Mon 66° 40° – Wind 11 mph

20 Tue 69° 48° – Wind 16 mph

21 Wed 74° 54° – Wind 14 mph

22 Thu 76° 57° – Wind 10 mph

23 Fri 78° 62° 0.02 in Wind 21 mph

Forecast: Open-Meteo

Sunrise 07:46 AM Sunset 06:36 PM Daylight 10 hr, 49 min Waxing gibbous 76%

Map

Other gauges on Perry Creek

Gauge	Level	Compared with normal	24 hours	Distance
Perry Creek near MillnervilleRiver gauge, Perry Creek	0.97 ft	Below flood stage	±0	11 mi
Perry Creek near HintonRiver gauge, Perry Creek	15.21 ft	Below flood stage	±0	6.1 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Missouri River at Sioux CityRiver gauge, Missouri River	10.50 ft	Below flood stage	±0	3.4 mi
Big Sioux River at Sioux CityRiver gauge, Big Sioux River	9.96 ft	Very low	+0.01 ft	3.6 mi
Floyd River at JamesRiver gauge, Floyd River	8.66 ft	Below flood stage	−0.04 ft	5.8 mi
Big Sioux River near JeffersonRiver gauge, Big Sioux River	9.35 ft	Below flood stage	−0.07 ft	8 mi
Elliott Creek at LawtonRiver gauge, Elliott Creek	72.30 ft	Below flood stage	+0.02 ft	12 mi
Omaha Creek at HomerRiver gauge, Omaha Creek	2.18 ft	Normal	±0	15 mi
Big Sioux River at AkronRiver gauge, Big Sioux River	5.54 ft	Below flood stage	−0.06 ft	22 mi
South Omaha Creek at WalthillRiver gauge, South Omaha Creek	6.50 ft	Low	−0.03 ft	27 mi

Questions and answers

How does Perry Creek at 38th Street at Sioux City compare with last year?

It is 0.11 ft lower than on the same day last year, when the reading was 6.66 ft.

What is flood stage for Perry Creek at 38th Street at Sioux City?

The official flood stage is 24.00 ft. The level is currently 17.45 ft below it.

What is a normal level for Perry Creek at 38th Street at Sioux City in late October?

The median for late October is 6.73 ft. In 8 years out of 10 the reading falls between 6.45 ft and 7.25 ft, based on 35 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 Perry Creek at 38th Street at Sioux City today?

On Oct 21, 2026, 04:00 AM CDT, the water level was 6.55 ft. Steady over the last 24 hours.

Is Perry Creek at 38th Street at Sioux City rising or falling?

Steady over the last 24 hours. Steady over the last 7 days.

Is the level of Perry Creek at 38th Street at Sioux City normal?

Low for late October. Compared with 35 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:06600000 (Agency page)
Coordinates: 42.53522, -96.41044 (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	6.55 ft	2026-10-21 09:00	Provisional

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How to cite

U.S. Geological Survey: Perry Creek at 38th Street at Sioux City (usgs:06600000). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/iowa/perry-creek-at-38th-street-at-sioux-city

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