Mississippi River at Keokuk, IA
USGS Site No: 05474500 • Mississippi River • Lee County, IA
Current reading not available.
Nearby gauges with live readings
This gauge isn't reporting right now. These nearby USGS gauges are currently active:
- Des Moines River at St. Francisville, MO 11.2 mi@if($nearby->currentReading) · 10,400 cfs@endif
- Fox River at Wayland, MO 11.8 mi@if($nearby->currentReading) · 65 cfs@endif
- Bear Creek Near Marcelline, IL 17.4 mi@if($nearby->currentReading) · 23 cfs@endif
- Wyaconda River Above Canton, MO 20.1 mi@if($nearby->currentReading) · 25 cfs@endif
- Skunk River at Augusta, IA 25.4 mi@if($nearby->currentReading) · 2,940 cfs@endif
↑ Upstream on Mississippi River
Mississippi River at Clinton, IA
Downstream on Mississippi River ↓
Mississippi River at Grafton, IL
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 | 42,900 | |
| 25th | Low threshold | 61,400 | |
| 50th (Median) | Normal (median) | 94,400 | |
| 75th | High threshold | 132,000 | |
| 95th | Very High threshold | 198,000 |
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) |
|---|---|---|
| Mar 31, 2026 | 110,000 | — |
| Mar 30, 2026 | 104,000 | — |
| Mar 29, 2026 | 100,000 | — |
| Mar 28, 2026 | 98,500 | — |
| Mar 27, 2026 | 92,700 | — |
| Mar 26, 2026 | 81,000 | — |
| Mar 25, 2026 | 75,700 | — |
| Mar 24, 2026 | 79,400 | — |
| Mar 23, 2026 | 85,100 | — |
| Mar 22, 2026 | 91,800 | — |
| Mar 21, 2026 | 89,500 | — |
| Mar 20, 2026 | 95,400 | — |
| Mar 19, 2026 | 108,000 | — |
| Mar 18, 2026 | 111,000 | — |
| Mar 17, 2026 | 111,000 | — |
| Mar 16, 2026 | 111,000 | — |
| Mar 15, 2026 | 110,000 | — |
| Mar 14, 2026 | 105,000 | — |
| Mar 13, 2026 | 106,000 | — |
| Mar 12, 2026 | 96,500 | — |
| Mar 11, 2026 | 91,900 | — |
| Mar 10, 2026 | 70,500 | — |
| Mar 9, 2026 | 54,600 | — |
| Mar 8, 2026 | 51,400 | — |
| Mar 7, 2026 | 56,000 | — |
| Mar 6, 2026 | 51,500 | — |
| Mar 5, 2026 | 51,100 | — |
| Mar 4, 2026 | 48,500 | — |
| Mar 3, 2026 | 50,500 | — |
| Mar 2, 2026 | 59,900 | — |
Station Information
- USGS Site No
- 05474500
- State
- IA
- County
- Lee County
- Coordinates
- 40.3937, -91.3743
- Drainage Area
- 119,000 mi²
- Datum (ft)
- 477.4
- HUC Code
- 07080104
Flood Stage Thresholds
- Action Stage
- 14.0 ft
- Flood Stage
- 16.0 ft
- Moderate Flood
- 17.5 ft
- Major Flood
- 19.0 ft
Recent Extremes
- Max discharge
-
164,000 cfsJul 10, 2025
- Min discharge
-
22,300 cfsDec 15, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Des Moines River at St. Francisville, MONormal11.2 mi · 10,400 cfs
-
Fox River at Wayland, MONormal11.8 mi · 65 cfs
-
Bear Creek Near Marcelline, ILNormal17.4 mi · 23 cfs
-
Wyaconda River Above Canton, MONormal20.1 mi · 25 cfs
-
Skunk River at Augusta, IANormal25.4 mi · 2,940 cfs