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

The Fox River at Montgomery, IL is currently flowing at 941 cubic feet per second with a gage height of 11.38 feet, based on the most recent USGS instantaneous reading.

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

Current flow is classified as normal for June 11. Today's discharge is at the 28th percentile compared to the long-term historical record at this gauge.

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

No — the gage height is 2.12 feet below the NWS flood-stage threshold of 13.5 feet.

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

The long-term median discharge for this date is 1,790 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 419 to 4,760 cfs.

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

The Fox River at Montgomery, IL stream gauge is operated by the USGS in Kane County, IL on the Fox River. USGS site number 05551540 (coordinates 41.7336, -88.3333).

Fox River at Montgomery, IL

USGS Site No: 05551540 • Fox River • Kane County, IL

Fox River at Montgomery, IL on the Fox River is currently at 941 cfs (Normal — 28th percentile for this date) . Gage height: 11.38 ft.

Reading from 1 week ago

↑ Upstream on Fox River

Fox River at South Elgin, IL

Downstream on Fox River ↓

Fox River at Yorkville, IL

941

CFS Discharge

11.38

Gage Height (ft)

Normal

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	419
25th	Low threshold	837
50th (Median)	Normal (median)	1,790	Today: 941 cfs
75th	High threshold	2,320
95th	Very High threshold	4,760

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	11.42
May 27, 2026	1,120	11.49
May 26, 2026	1,220	11.55
May 25, 2026	1,240	11.56
May 24, 2026	1,210	11.54
May 23, 2026	1,110	11.48
May 22, 2026	1,220	11.54
May 21, 2026	1,290	11.59
May 20, 2026	1,160	11.51
May 19, 2026	1,090	11.47
May 18, 2026	1,180	11.52
May 17, 2026	1,060	11.45
May 16, 2026	1,070	11.46
May 15, 2026	1,110	11.48
Apr 20, 2026	7,450	13.58
Apr 19, 2026	7,680	13.63
Apr 18, 2026	7,830	13.66
Apr 17, 2026	6,750	13.41
Apr 16, 2026	7,190	13.52
Apr 15, 2026	6,070	13.24
Apr 14, 2026	4,450	12.82
Apr 13, 2026	4,550	12.84
Apr 12, 2026	4,670	12.88
Apr 11, 2026	4,930	12.95
Apr 10, 2026	4,990	12.97
Apr 9, 2026	4,670	12.88
Apr 8, 2026	4,660	12.87
Apr 7, 2026	4,630	12.87
Apr 6, 2026	4,610	12.86
Apr 5, 2026	4,770	12.91

Station Information

USGS Site No: 05551540
State: IL
County: Kane County
Coordinates: 41.7336, -88.3333
Drainage Area: 1,732 mi²
Datum (ft): 603.2
HUC Code: 07120007

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 13.0 ft
Flood Stage: 13.5 ft
Moderate Flood: 15.0 ft
Major Flood: 16.0 ft

Currently 2.12 ft below flood stage.

Recent Extremes

Max discharge: 7,830 cfs

Apr 18, 2026
Min discharge: 365 cfs

Aug 10, 2025
Days at flood stage: 4

Computed from the local daily-values archive.

Nearby Gauges

Des Plaines River Near Lemont, IL
16.3 mi · 452 cfs

Normal
Sawmill Creek Near Lemont, IL
19.2 mi · 1 cfs

Low
Chicago Sanitary And Ship Canal near Lemont, IL
19.3 mi · 1,300 cfs

Very Low
Salt Creek at Elmhurst, IL
21.9 mi · 61 cfs

Normal
Flag Creek Near Willow Springs, IL
22.5 mi · 12 cfs

Normal