Nivelmap
EN

Chicago S & South Canal at Western Ave at Chicago water level

River gauge, Chicago S & South Canal, Illinois, United States

Directions

Right now

High for mid-October

Water level

-2.17ft Up 0.18 ft over the last 24 hours

Water temperature
64 °F
-3 0 3 5 Highest onrecord 5.26 ft Minor floodstage 4.00 ft

History

History
-2024ftOct 16Oct 17Oct 18Oct 19Oct 20Minor flood stage-2024ftOct 16Oct 18Oct 20Minor flood stage
-303ftSep 21Sep 28Oct 5Oct 13Oct 20Minor flood stage-303ftSep 21Oct 5Oct 20Minor flood stage
-303ftOct 2025Jan 2026Apr 2026Jul 2026Oct 2026Minor flood stage-303ftOct 2025Apr 2026Oct 2026Minor flood stage
-4-20ftJanMarMayJulSepNov2026-4-20ftJanAprJulOct2026

20252026

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

What this means

The Chicago S & South Canal at Western Ave at Chicago is above normal at −2.17 ft.

That puts it 0.08 ft above the median of −2.25 ft for mid-October, based on 11 years of readings. It is 6.17 ft below the flood stage of 4.00 ft. A year ago it stood at −2.17 ft as well.

It has risen 0.18 ft over the past 24 hours. If the rise continues, low-lying paths and riverside parking can go under water. In the last month it has stayed between −3.33 ft and −1.63 ft.

That stands out in fall, when many rivers are usually near their lowest. The sensor also reports a water temperature of 64 °F.

Compared with 11 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
−2.25 ft0.08 ft above the median for this date
Normal for this date
−2.60 ft – −1.99 ft8 years in 10 fall in this range (11 years of records)
Same day last year
−2.17 ft0.00 ft
Lowest and highest in 30 days
−3.33 ft – −1.63 ft
Lowest and highest in 12 months
−3.69 ft – −1.58 ft
Highest on record
5.26 ftMay 17, 2020

Floating and fishing near Chicago S & South Canal at Western Ave at Chicago

Experienced paddlers may enjoy higher water, but many outfitters stop rentals once a river runs this high.

Flood stage here is 4.00 ft, 6.17 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.

What happens at each level

7.00 ft
Structures are threatened near the canal in the Bridgeport, Lower West Side, McKinley Park, and South Lawndale areas of Chicago. Structures are threatened near the South Branch Chicago River along Iron Street in the Bridgeport and McKinley Park areas of Chicago.
6.00 ft
Structures are threatened near Ping Tom Park and in the Armour Square, Near South Side, and Lower West Side areas of Chicago.
4.00 ft
The canal overflows low-lying banks in the Bridgeport, Lower West Side, McKinley Park, and South Lawndale areas of Chicago.
2.00 ft
Low-lying sections of Ping Tom Park are inundated.
−2.17 ft
Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

RankLevelDate
15.26 ftMay 17, 2020
24.10 ftJune 30, 1977
33.62 ftOctober 14, 2017
43.07 ftJune 15, 2015
51.65 ftMay 1, 2019

Weather at the gauge

No rain in the last 3 days.

20 Tue 64° 44° – Wind 7 mph
21 Wed 69° 39° – Wind 6 mph
22 Thu 67° 46° – Wind 7 mph
23 Fri 70° 56° – Wind 7 mph
24 Sat 71° 58° – Wind 10 mph
25 Sun 70° 59° – Wind 9 mph
26 Mon 70° 45° 0.26 in Wind 15 mph

Forecast: Open-Meteo

Sunrise 07:09 AM Sunset 06:03 PM Daylight 10 hr, 54 min Waxing gibbous 71%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Chicago Sanitary and Ship Canal at StickneyRiver gauge, Chicago Sanitary and Ship Canal −2.15 ft High +0.16 ft 3.8 mi
Nb Chicago River at Grand Avenue at ChicagoRiver gauge, Nb Chicago River −2.03 ft High +0.22 ft 4.4 mi
Chicago River at Columbus Drive at ChicagoRiver gauge, Chicago River −3.57 ft Very low −1.23 ft 4.8 mi
Lake Michigan at Chicago Lock at ChicagoLake, Lake Michigan 0.41 ft Normal +0.20 ft 5.4 mi
Chicago River at Chicago Lock at ChicagoRiver gauge, Chicago River −1.89 ft High +0.32 ft 5.4 mi
Des Plaines River at LyonsRiver gauge, Des Plaines River 10.78 ft Normal −0.17 ft 7 mi
Des Plaines River at RiversideRiver gauge, Des Plaines River 2.49 ft Normal −0.06 ft 7 mi
Des Plaines River at River ForestRiver gauge, Des Plaines River 4.63 ft Normal −0.15 ft 8 mi

Questions and answers

How does the Chicago S & South Canal at Western Ave at Chicago compare with last year?

It is about the same as on this day last year, when the reading was −2.17 ft.

What is flood stage for the Chicago S & South Canal at Western Ave at Chicago?

The official flood stage is 4.00 ft. The level is currently 6.17 ft below it.

What is a normal level for the Chicago S & South Canal at Western Ave at Chicago in mid-October?

The median for mid-October is −2.25 ft. In 8 years out of 10 the reading falls between −2.60 ft and −1.99 ft, based on 11 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 Chicago S & South Canal at Western Ave at Chicago today?

On Oct 20, 2026, 03:30 PM CDT, the water level was −2.17 ft. Up 0.18 ft over the last 24 hours.

Is Chicago S & South Canal at Western Ave at Chicago rising or falling?

Up 0.18 ft over the last 24 hours. Steady over the last 7 days.

Is the level of Chicago S & South Canal at Western Ave at Chicago normal?

High for mid-October. Compared with 11 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:05536137 (Agency page)
Coordinates
41.83719, -87.68542 (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 −2.17 ft 2026-10-20 20:30 Provisional
Water temperature 64 °F 2026-10-20 20:30 Provisional

Download

Embed this gauge

Add a live card for this gauge to your website. It updates on its own and links back here.

How to cite

U.S. Geological Survey: Chicago S & South Canal at Western Ave at Chicago (usgs:05536137). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/illinois/chicago-s-and-south-canal-at-western-ave-at-chicago

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.