How high is the Fox River at Yorkville, IL right now?

The Fox River at Yorkville, IL is currently flowing at 953 cubic feet per second with a gage height of 12.69 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Fox River at Yorkville, IL normal for this time of year?

Current flow is classified as low for June 11. Today's discharge is at the 23th percentile compared to the long-term historical record at this gauge.

Is the Fox River at Yorkville, IL at flood stage?

No — the gage height is 2.81 feet below the NWS flood-stage threshold of 15.5 feet.

What is the historical median flow for the Fox River at Yorkville, IL on June 11?

The long-term median discharge for this date is 1,480 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 443 to unavailable cfs.

Where is the Fox River at Yorkville, IL stream gauge located?

The Fox River at Yorkville, IL stream gauge is operated by the USGS in Kendall County, IL on the Fox River. USGS site number 05551580 (coordinates 41.6428, -88.4434).

Fox River at Yorkville, IL

USGS Site No: 05551580 • Fox River • Kendall County, IL

Fox River at Yorkville, IL on the Fox River is currently at 953 cfs (Low — 23th percentile for this date) . Gage height: 12.69 ft.

Reading from 1 week ago

↑ Upstream on Fox River

Fox River at Montgomery, IL

Downstream on Fox River ↓

Fox River at Dayton, IL

953

CFS Discharge

12.69

Gage Height (ft)

Low

Flow Condition

Normal

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	443
25th	Low threshold	1,050	Today: 953 cfs
50th (Median)	Normal (median)	1,480
75th	High threshold	2,140
95th	Very High threshold	0

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	1,010	12.72
May 27, 2026	1,120	12.78
May 26, 2026	1,200	12.82
May 25, 2026	1,220	12.83
May 24, 2026	1,170	12.80
May 23, 2026	1,120	12.77
May 22, 2026	1,220	12.83
May 21, 2026	1,290	12.86
May 20, 2026	1,180	12.81
May 19, 2026	1,190	12.81
May 18, 2026	1,250	12.84
May 17, 2026	1,130	12.78
May 16, 2026	1,150	12.79
May 15, 2026	1,180	12.81
Apr 20, 2026	7,650	14.58
Apr 19, 2026	7,920	14.64
Apr 18, 2026	8,090	14.68
Apr 17, 2026	6,850	14.42
Apr 16, 2026	7,240	14.50
Apr 15, 2026	5,990	14.24
Apr 14, 2026	4,530	13.91
Apr 13, 2026	4,640	13.93
Apr 12, 2026	4,750	13.96
Apr 11, 2026	5,000	14.02
Apr 10, 2026	5,050	14.03
Apr 9, 2026	4,720	13.95
Apr 8, 2026	4,730	13.96
Apr 7, 2026	4,710	13.95
Apr 6, 2026	4,760	13.96
Apr 5, 2026	5,070	14.04

Station Information

USGS Site No: 05551580
State: IL
County: Kendall County
Coordinates: 41.6428, -88.4434
Drainage Area: 1,804 mi²
Datum (ft): 562.3
HUC Code: 07120007

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 14.5 ft
Flood Stage: 15.5 ft
Moderate Flood: 17.0 ft
Major Flood: 19.0 ft

Currently 2.81 ft below flood stage.

Recent Extremes

Max discharge: 8,090 cfs

Apr 18, 2026
Min discharge: 392 cfs

Aug 10, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Chicago Sanitary And Ship Canal at Romeoville, IL
19.8 mi · 0 cfs

Unknown
Des Plaines River at Route 53 at Joliet, IL
20.0 mi · 847 cfs

Very Low
Des Plaines River Near Lemont, IL
21.5 mi · 452 cfs

Normal
Long Run Near Lemont, IL
22.9 mi · 3 cfs

Low
Kankakee River Near Wilmington, IL
24.4 mi · 2,570 cfs

Low