How high is the Big Muddy River at Plumfield, IL right now?

The Big Muddy River at Plumfield, IL is currently flowing at 258 cubic feet per second with a gage height of 5.01 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Big Muddy River at Plumfield, IL normal for this time of year?

Current flow is classified as low for June 11. Today's discharge is at the 18th percentile compared to the long-term historical record at this gauge.

Is the Big Muddy River at Plumfield, IL at flood stage?

No — the gage height is 14.99 feet below the NWS flood-stage threshold of 20.0 feet.

What is the historical median flow for the Big Muddy River at Plumfield, IL on June 11?

The long-term median discharge for this date is 646 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 155 to 2,460 cfs.

Where is the Big Muddy River at Plumfield, IL stream gauge located?

The Big Muddy River at Plumfield, IL stream gauge is operated by the USGS in Franklin County, IL on the Big Muddy River. USGS site number 05597000 (coordinates 37.8914, -89.0194).

Big Muddy River at Plumfield, IL

USGS Site No: 05597000 • Big Muddy River • Franklin County, IL

Big Muddy River at Plumfield, IL on the Big Muddy River is currently at 258 cfs (Low — 18th percentile for this date) . Gage height: 5.01 ft.

Reading from 1 week ago

Downstream on Big Muddy River ↓

Big Muddy River at Rte 127 at Murphysboro, IL

258

CFS Discharge

5.01

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	155
25th	Low threshold	341	Today: 258 cfs
50th (Median)	Normal (median)	646
75th	High threshold	1,210
95th	Very High threshold	2,460

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	271	5.14
May 27, 2026	275	5.18
May 26, 2026	275	5.17
May 25, 2026	277	5.19
May 24, 2026	273	5.16
May 23, 2026	269	5.12
May 22, 2026	262	5.04
May 21, 2026	255	4.97
May 20, 2026	243	4.86
May 19, 2026	236	4.78
May 18, 2026	233	4.75
May 17, 2026	244	4.86
May 16, 2026	249	4.92
May 15, 2026	269	5.12
Apr 19, 2026	208	4.49
Apr 18, 2026	186	4.26
Apr 17, 2026	183	4.22
Apr 16, 2026	181	4.20
Apr 15, 2026	177	4.16
Apr 14, 2026	180	4.18
Apr 13, 2026	184	4.24
Apr 12, 2026	200	4.40
Apr 11, 2026	207	4.48
Apr 10, 2026	206	4.47
Apr 9, 2026	216	4.58
Apr 8, 2026	227	4.70
Apr 7, 2026	238	4.80
Apr 6, 2026	250	4.93
Apr 5, 2026	277	5.19
Apr 4, 2026	214	4.55

Station Information

USGS Site No: 05597000
State: IL
County: Franklin County
Coordinates: 37.8914, -89.0194
Drainage Area: 792 mi²
Datum (ft): 352.9
HUC Code: 07140106

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 18.0 ft
Flood Stage: 20.0 ft
Moderate Flood: 27.0 ft
Major Flood: 34.0 ft

Currently 14.99 ft below flood stage.

Recent Extremes

Max discharge: 3,020 cfs

Apr 22, 2025
Min discharge: 39 cfs

Nov 14, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Crab Orchard Creek Near Marion, IL
13.2 mi · 2 cfs

Normal
Big Muddy River at Rte 127 at Murphysboro, IL
19.2 mi · 509 cfs

Low
Rayse Creek Near Waltonville, IL
25.1 mi · 7 cfs

Normal
South Fork Saline River near Carrier Mills, IL
25.6 mi · 22 cfs

Normal
Casey Fork at Mount Vernon, IL
28.5 mi · 9 cfs

Normal