How high is the West Branch Du Page River Near Naperville, IL right now?

The West Branch Du Page River Near Naperville, IL is currently flowing at 23 cubic feet per second with a gage height of 4.11 feet, based on the most recent USGS instantaneous reading.

Is the flow on the West Branch Du Page River Near Naperville, IL normal for this time of year?

Current flow is classified as very low for June 11. Today's discharge is at the 6th percentile compared to the long-term historical record at this gauge.

What is the historical median flow for the West Branch Du Page River Near Naperville, IL on June 11?

The long-term median discharge for this date is 137 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 37 to 686 cfs.

Where is the West Branch Du Page River Near Naperville, IL stream gauge located?

The West Branch Du Page River Near Naperville, IL stream gauge is operated by the USGS in Will County, IL on the West Branch Du Page River. USGS site number 05540130 (coordinates 41.7203, -88.1319).

West Branch Du Page River Near Naperville, IL

USGS Site No: 05540130 • West Branch Du Page River • Will County, IL

West Branch Du Page River Near Naperville, IL on the West Branch Du Page River is currently at 23 cfs (Very Low — 6th percentile for this date) . Gage height: 4.11 ft. This station is at or above flood stage.

Reading from 1 week ago

↑ Upstream on West Branch Du Page River

West Branch Du Page River Near Warrenville, IL

CFS Discharge

4.11

Gage Height (ft)

Very Low

Flow Condition

FLOOD

Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for June 11 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.

Percentile	Label	CFS Threshold	Today's Flow
10th	Very Low threshold	37	Today: 23 cfs
25th	Low threshold	63
50th (Median)	Normal (median)	137
75th	High threshold	237
95th	Very High threshold	686

30-Day Hydrograph

Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.

10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date	Discharge (CFS)	Gage Ht (ft)
May 28, 2026	29	4.15
May 27, 2026	40	4.21
May 26, 2026	59	4.31
May 25, 2026	102	4.50
May 24, 2026	100	4.49
May 23, 2026	33	4.17
May 22, 2026	41	4.22
May 21, 2026	53	4.28
May 20, 2026	73	4.37
May 19, 2026	109	4.53
May 18, 2026	88	4.43
May 17, 2026	45	4.24
May 16, 2026	42	4.22
May 15, 2026	40	4.22
Apr 20, 2026	340	5.37
Apr 19, 2026	534	5.93
Apr 18, 2026	678	6.31
Apr 17, 2026	607	6.12
Apr 16, 2026	846	6.70
Apr 15, 2026	370	5.44
Apr 14, 2026	196	4.88
Apr 13, 2026	206	4.92
Apr 12, 2026	177	4.81
Apr 11, 2026	213	4.94
Apr 10, 2026	228	5.00
Apr 9, 2026	185	4.84
Apr 8, 2026	224	4.98
Apr 7, 2026	296	5.23
Apr 6, 2026	377	5.49
Apr 5, 2026	563	6.01

Station Information

USGS Site No: 05540130
State: IL
County: Will County
Coordinates: 41.7203, -88.1319
Drainage Area: 123 mi²
Datum (ft): 629.7
HUC Code: 07120004

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 9.0 ft

Recent Extremes

Max discharge: 1,200 cfs

Mar 16, 2026
Min discharge: 29 cfs

May 28, 2026

Computed from the local daily-values archive.

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