Little Sac River Near Morrisville, MO
USGS Site No: 06918740 • Little Sac River • Polk County, MO
Little Sac River Near Morrisville, MO on the Little Sac River is currently at 2,670 cfs (Very High — 138th percentile for this date) . Gage height: 7.70 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for October 28 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 | 13 | |
| 25th | Low threshold | 18 | |
| 50th (Median) | Normal (median) | 34 | |
| 75th | High threshold | 96 | |
| 95th | Very High threshold | 504 |
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.
30-Day Flow History
| Date | Discharge (CFS) | Gage Ht (ft) |
|---|---|---|
| May 28, 2026 | 98 | — |
| May 27, 2026 | 95 | — |
| May 26, 2026 | 108 | — |
| May 25, 2026 | 147 | — |
| May 24, 2026 | 182 | — |
| May 23, 2026 | 90 | — |
| May 22, 2026 | 93 | — |
| May 21, 2026 | 97 | — |
| May 20, 2026 | 113 | — |
| May 19, 2026 | 104 | — |
| May 18, 2026 | 56 | — |
| May 17, 2026 | 59 | — |
| May 16, 2026 | 63 | — |
| May 15, 2026 | 68 | — |
| Apr 20, 2026 | 745 | — |
| Apr 19, 2026 | 1,120 | — |
| Apr 18, 2026 | 3,280 | — |
| Apr 17, 2026 | 604 | — |
| Apr 16, 2026 | 1,110 | — |
| Apr 15, 2026 | 225 | — |
| Apr 14, 2026 | 101 | — |
| Apr 13, 2026 | 112 | — |
| Apr 12, 2026 | 121 | — |
| Apr 11, 2026 | 120 | — |
| Apr 10, 2026 | 99 | — |
| Apr 9, 2026 | 104 | — |
| Apr 8, 2026 | 126 | — |
| Apr 7, 2026 | 156 | — |
| Apr 6, 2026 | 206 | — |
| Apr 5, 2026 | 358 | — |
Station Information
- USGS Site No
- 06918740
- State
- MO
- County
- Polk County
- Coordinates
- 37.4829, -93.4856
- Drainage Area
- 237 mi²
- Datum (ft)
- 880.3
- HUC Code
- 10290106
Flood Stage Thresholds
- Action Stage
- 12.0 ft
- Flood Stage
- 14.0 ft
- Moderate Flood
- 17.0 ft
- Major Flood
- 25.0 ft
Currently 6.30 ft below flood stage.
Recent Extremes
- Max discharge
-
6,890 cfsMay 24, 2025
- Min discharge
-
9 cfsSep 14, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Sac River Near Dadeville, MOVery High11.3 mi · 702 cfs
-
Pomme DE Terre River Near Polk, MOVery High15.2 mi · 3,010 cfs
-
Turnback Creek Above Greenfield, MOHigh18.2 mi · 174 cfs
-
South Fork Dry Sac River Near Springfield, MOVery High19.8 mi · 114 cfs
-
Sac River Near Stockton, MOUnknown21.2 mi · 0 cfs