How high is the Mackinaw River Near Congerville, IL right now?

The Mackinaw River Near Congerville, IL is currently flowing at 287 cubic feet per second with a gage height of 1.84 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Mackinaw River Near Congerville, IL normal for this time of year?

Current flow is classified as normal for June 11. Today's discharge is at the 37th percentile compared to the long-term historical record at this gauge.

Is the Mackinaw River Near Congerville, IL at flood stage?

No — the gage height is 11.16 feet below the NWS flood-stage threshold of 13.0 feet.

What is the historical median flow for the Mackinaw River Near Congerville, IL on June 11?

The long-term median discharge for this date is 392 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 82 to 2,490 cfs.

Where is the Mackinaw River Near Congerville, IL stream gauge located?

The Mackinaw River Near Congerville, IL stream gauge is operated by the USGS in Woodford County, IL on the Mackinaw River. USGS site number 05567500 (coordinates 40.6235, -89.2417).

Mackinaw River Near Congerville, IL

USGS Site No: 05567500 • Mackinaw River • Woodford County, IL

Mackinaw River Near Congerville, IL on the Mackinaw River is currently at 287 cfs (Normal — 37th percentile for this date) . Gage height: 1.84 ft.

Reading from 1 week ago

Downstream on Mackinaw River ↓

Mackinaw River Near Green Valley, IL

287

CFS Discharge

1.84

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	82
25th	Low threshold	195
50th (Median)	Normal (median)	392	Today: 287 cfs
75th	High threshold	780
95th	Very High threshold	2,490

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	318	1.95
May 27, 2026	348	2.05
May 26, 2026	396	2.21
May 25, 2026	435	2.33
May 24, 2026	389	2.19
May 23, 2026	280	1.83
May 22, 2026	278	1.82
May 21, 2026	285	1.85
May 20, 2026	307	1.94
May 19, 2026	335	2.04
May 18, 2026	343	2.07
May 17, 2026	329	2.02
May 16, 2026	352	2.10
May 15, 2026	338	2.06
Apr 20, 2026	994	3.85
Apr 19, 2026	1,200	4.25
Apr 18, 2026	913	3.65
Apr 17, 2026	485	2.67
Apr 16, 2026	389	2.39
Apr 15, 2026	380	2.36
Apr 14, 2026	388	2.39
Apr 13, 2026	419	2.48
Apr 12, 2026	450	2.57
Apr 11, 2026	512	2.74
Apr 10, 2026	625	3.03
Apr 9, 2026	772	3.38
Apr 8, 2026	984	3.83
Apr 7, 2026	1,380	4.57
Apr 6, 2026	2,290	6.02
Apr 5, 2026	4,660	9.56

Station Information

USGS Site No: 05567500
State: IL
County: Woodford County
Coordinates: 40.6235, -89.2417
Drainage Area: 767 mi²
Datum (ft): 606.8
HUC Code: 07130004

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 10.0 ft
Flood Stage: 13.0 ft
Moderate Flood: 14.0 ft
Major Flood: 20.0 ft

Currently 11.16 ft below flood stage.

Recent Extremes

Max discharge: 6,740 cfs

Apr 4, 2026
Min discharge: 4 cfs

Sep 12, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Sixmile Creek at Hudson, IL
12.6 mi · 9 cfs

Normal
Farm Creek at Farmdale, IL
14.1 mi · 6 cfs

Low
Sugar Creek Near Bloomington, IL
15.3 mi · 26 cfs

Low
Fondulac Creek Near East Peoria, IL
15.6 mi · 0 cfs

Normal
Money Creek Near Towanda, IL
18.0 mi · 19 cfs

Normal