Pecatonica River near Shirland, Ill

USGS Site No: 05437050Pecatonica River • Winnebago County, IL

Pecatonica River near Shirland, Ill on the Pecatonica River is currently at 1,380 cfs (Normal — 39th percentile for this date) . Gage height: 5.43 ft.

Reading from

1,380
CFS Discharge
5.43
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 797
25th Low threshold 1,100
50th (Median) Normal (median) 1,590 Today: 1,380 cfs
75th High threshold 2,460
95th Very High threshold 5,630

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.

11k 5.5k 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 1,420 5.53
May 27, 2026 1,450 5.61
May 26, 2026 1,500 5.73
May 25, 2026 1,560 5.87
May 24, 2026 1,620 6.00
May 23, 2026 1,680 6.13
May 22, 2026 1,740 6.25
May 21, 2026 1,760 6.31
May 20, 2026 1,760 6.30
May 19, 2026 1,750 6.28
May 18, 2026 1,770 6.33
May 17, 2026 1,800 6.39
May 16, 2026 1,810 6.41
May 15, 2026 1,840 6.47
Apr 20, 2026 10,100 14.06
Apr 19, 2026 9,660 13.80
Apr 18, 2026 8,170 12.95
Apr 17, 2026 6,460 11.81
Apr 16, 2026 5,390 10.94
Apr 15, 2026 3,710 9.05
Apr 14, 2026 2,640 7.52
Apr 13, 2026 2,600 7.46
Apr 12, 2026 2,640 7.51
Apr 11, 2026 2,590 7.44
Apr 10, 2026 2,400 7.12
Apr 9, 2026 2,390 7.09
Apr 8, 2026 2,630 7.50
Apr 7, 2026 2,790 7.77
Apr 6, 2026 2,700 7.62
Apr 5, 2026 2,390 7.09

Station Information

USGS Site No
05437050
State
IL
Coordinates
42.4381, -89.1750
Drainage Area
2,556 mi²
Datum (ft)
711.6
HUC Code
07090003
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
11.0 ft
Flood Stage
12.0 ft
Moderate Flood
14.0 ft
Major Flood
15.5 ft

Currently 6.57 ft below flood stage.

Recent Extremes

Max discharge
10,100 cfs
Apr 20, 2026
Min discharge
926 cfs
Dec 3, 2025
Days at flood stage
3

Computed from the local daily-values archive.

Nearby Gauges