Shiawassee River at Owosso, MI

USGS Site No: 04144500Shiawassee River • Shiawassee County, MI

Shiawassee River at Owosso, MI on the Shiawassee River is currently at 323 cfs (Normal — 63th percentile for this date) . Gage height: 2.78 ft.

Reading from

323
CFS Discharge
2.78
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 93
25th Low threshold 138
50th (Median) Normal (median) 212
75th High threshold 422 Today: 323 cfs
95th Very High threshold 671

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.

3.2k 1.6k 0 cfs Apr 7 May 29
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 29, 2026 309
May 28, 2026 310
May 27, 2026 323
May 26, 2026 306
May 25, 2026 303
May 24, 2026 329
May 23, 2026 349
May 22, 2026 338
May 21, 2026 334
May 20, 2026 374
May 19, 2026 391
May 18, 2026 340
May 17, 2026 301
May 16, 2026 301
May 15, 2026 303
Apr 21, 2026 2,450
Apr 20, 2026 2,680
Apr 19, 2026 2,720
Apr 18, 2026 2,600
Apr 17, 2026 2,550
Apr 16, 2026 2,500
Apr 15, 2026 2,080
Apr 14, 2026 1,430
Apr 13, 2026 1,520
Apr 12, 2026 1,670
Apr 11, 2026 2,070
Apr 10, 2026 2,510
Apr 9, 2026 2,780
Apr 8, 2026 2,890
Apr 7, 2026 2,930

Station Information

USGS Site No
04144500
State
MI
Coordinates
43.0150, -84.1800
Drainage Area
538 mi²
Datum (ft)
706.8
HUC Code
04080203
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
6.0 ft
Flood Stage
7.0 ft
Moderate Flood
9.0 ft
Major Flood
10.0 ft

Currently 4.22 ft below flood stage.

Recent Extremes

Max discharge
3,500 cfs
Apr 5, 2026
Min discharge
68 cfs
Oct 6, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges