How high is the Boone Creek Near Mc Henry, IL right now?

The Boone Creek Near Mc Henry, IL is currently flowing at 5 cubic feet per second with a gage height of 0.92 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Boone Creek Near Mc Henry, IL normal for this time of year?

Current flow is classified as very low for June 11. Today's discharge is at the 8th percentile compared to the long-term historical record at this gauge.

Is the Boone Creek Near Mc Henry, IL at flood stage?

No — the gage height is 6.08 feet below the NWS flood-stage threshold of 7.0 feet.

What is the historical median flow for the Boone Creek Near Mc Henry, IL on June 11?

The long-term median discharge for this date is 11 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 6 to 60 cfs.

Where is the Boone Creek Near Mc Henry, IL stream gauge located?

The Boone Creek Near Mc Henry, IL stream gauge is operated by the USGS in McHenry County, IL on the Boone Creek. USGS site number 05549000 (coordinates 42.3207, -88.3126).

Boone Creek Near Mc Henry, IL

USGS Site No: 05549000 • Boone Creek • McHenry County, IL

Boone Creek Near Mc Henry, IL on the Boone Creek is currently at 5 cfs (Very Low — 8th percentile for this date) . Gage height: 0.92 ft.

Reading from 1 week ago

CFS Discharge

0.92

Gage Height (ft)

Very 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	6	Today: 5 cfs
25th	Low threshold	8
50th (Median)	Normal (median)	11
75th	High threshold	15
95th	Very High threshold	60

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	5	0.95
May 27, 2026	6	0.97
May 26, 2026	6	0.99
May 25, 2026	8	1.05
May 24, 2026	11	1.13
May 23, 2026	6	0.97
May 22, 2026	5	0.93
May 21, 2026	5	0.95
May 20, 2026	6	0.99
May 19, 2026	7	1.03
May 18, 2026	7	1.02
May 17, 2026	7	1.03
May 16, 2026	8	1.03
May 15, 2026	6	0.98
Apr 20, 2026	44	1.85
Apr 19, 2026	54	2.13
Apr 18, 2026	101	3.01
Apr 17, 2026	63	2.33
Apr 16, 2026	87	2.82
Apr 15, 2026	105	3.11
Apr 14, 2026	41	1.73
Apr 13, 2026	32	1.47
Apr 12, 2026	30	1.43
Apr 11, 2026	33	1.53
Apr 10, 2026	39	1.69
Apr 9, 2026	32	1.49
Apr 8, 2026	36	1.60
Apr 7, 2026	40	1.72
Apr 6, 2026	49	1.99
Apr 5, 2026	65	2.38

Station Information

USGS Site No: 05549000
State: IL
County: McHenry County
Coordinates: 42.3207, -88.3126
Drainage Area: 16 mi²
Datum (ft): 769.4
HUC Code: 07120006

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 6.0 ft
Flood Stage: 7.0 ft
Moderate Flood: 9.0 ft
Major Flood: 11.0 ft

Currently 6.08 ft below flood stage.

Recent Extremes

Max discharge: 124 cfs

Apr 4, 2026
Min discharge: 4 cfs

Aug 15, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Kishwaukee River at Marengo, IL
15.6 mi · 64 cfs

Normal
Mill Creek at Old Mill Creek, IL
18.7 mi · 11 cfs

Low
Des Plaines River Near Gurnee, IL
19.0 mi · 84 cfs

Normal
Buffalo Creek Near Wheeling, IL
21.6 mi · 8 cfs

Normal
Des Plaines River at Lincolnshire, IL
21.8 mi · 121 cfs

Low