Middle Fork Vermilion River Above Oakwood, IL

USGS Site No: 03336645Middle Fork Vermilion River • Vermilion County, IL

Middle Fork Vermilion River Above Oakwood, IL on the Middle Fork Vermilion River is currently at 92 cfs (Low — 14th percentile for this date) . Gage height: 1.23 ft.

Reading from

92
CFS Discharge
1.23
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 78
25th Low threshold 130 Today: 92 cfs
50th (Median) Normal (median) 251
75th High threshold 577
95th Very High threshold 3,580

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.

6.4k 3.2k 0 cfs Apr 5 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 120 1.35
May 27, 2026 155 1.48
May 26, 2026 122 1.33
May 25, 2026 79 1.16
May 24, 2026 81 1.17
May 23, 2026 82 1.18
May 22, 2026 87 1.20
May 21, 2026 104 1.28
May 20, 2026 116 1.33
May 19, 2026 124 1.37
May 18, 2026 128 1.38
May 17, 2026 131 1.40
May 16, 2026 117 1.34
May 15, 2026 116 1.33
Apr 20, 2026 755 2.61
Apr 19, 2026 1,070 2.99
Apr 18, 2026 544 2.32
Apr 17, 2026 439 2.11
Apr 16, 2026 124 1.37
Apr 15, 2026 114 1.33
Apr 14, 2026 166 1.50
Apr 13, 2026 138 1.42
Apr 12, 2026 153 1.47
Apr 11, 2026 177 1.55
Apr 10, 2026 212 1.66
Apr 9, 2026 256 1.77
Apr 8, 2026 329 1.94
Apr 7, 2026 478 2.22
Apr 6, 2026 884 2.77
Apr 5, 2026 1,320 3.33

Station Information

USGS Site No
03336645
State
IL
Coordinates
40.1370, -87.7447
Drainage Area
432 mi²
Datum (ft)
544.2
HUC Code
05120109
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
7.0 ft
Flood Stage
10.0 ft

Currently 8.77 ft below flood stage.

Recent Extremes

Max discharge
2,260 cfs
Apr 2, 2026
Min discharge
5 cfs
Sep 14, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges