USGS Streamgage 06923950
Niangua River at Tunnel Dam near Macks Creek, MO
Niangua River at Tunnel Dam near Macks Creek, MO is USGS streamgage 06923950 in Missouri, monitoring river discharge in hydrologic subbasin 10290110. It sits on the Niangua River, alongside 2 other gauges Rivermatics tracks on the same river. It drains a watershed of about 598 square miles. Discharge records at this site go back to 1995. Typical flow runs near 231.8 cfs in July and 480.6 cfs in April, with the higher of the two arriving in April. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.
View live conditions & forecast →
Gauge details
- State
- Missouri
- Drainage area
- 598 sq mi
- Gauge elevation
- 700 ft
- Subbasin (HUC-8)
- 10290110
- Coordinates
- 37.93694, -92.85136
- USGS site number
- 06923950
- Records begin
- 1995-09-08 (31 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Niangua River at Tunnel Dam near Macks Creek, MO. Each day carries a median estimate and the band the model expects the flow to fall within — not a single number to plan against. Forecasts are re-issued daily; see the live screen for the current outlook.
| Date | Low p10 | Expected p50 | High p90 | Range |
|---|---|---|---|---|
| 171 | 182 | 193 | ||
| 167 | 180 | 194 | ||
| 163 | 179 | 194 | ||
| 159 | 178 | 198 | ||
| 159 | 181 | 221 | ||
| 159 | 181 | 244 | ||
| 157 | 183 | 249 | ||
| 158 | 186 | 258 | ||
| 161 | 192 | 283 | ||
| 165 | 219 | 489 | ||
| 163 | 232 | 506 | ||
| 165 | 234 | 482 | ||
| 160 | 225 | 466 | ||
| 157 | 217 | 442 |
All values in cubic feet per second (cfs). Estimates only — do not use them for navigation or for any safety, rescue, or emergency decision.
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 31 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| January | 82.3 | 235.9 | 1,143.5 | |
| February | 85.2 | 279.1 | 1,389.8 | |
| March | 129.2 | 399.6 | 2,406 | |
| April | 116.5 | 480.6 | 2,605.7 | |
| May | 118.7 | 511.5 | 2,803.2 | |
| June | 102.3 | 289.3 | 1,454.2 | |
| July | 96.9 | 231.8 | 856.8 | |
| August | 92.9 | 206.5 | 550.2 | |
| September | 71.3 | 185.6 | 405.9 | |
| October | 79.6 | 185.1 | 478.5 | |
| November | 117.9 | 216.7 | 791.8 | |
| December | 101.4 | 211.7 | 735.1 |
All values in cubic feet per second (cfs).
Common questions
- When does Niangua River at Tunnel Dam near Macks Creek, MO normally run highest?
- May, on the long-term record. The median daily flow that month is about 511.5 cfs, against 185.1 cfs in October, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Niangua River at Tunnel Dam near Macks Creek, MO?
- It depends on the month. In January, half of days historically fall near 235.9 cfs, with the middle 80% of days between 82.3 and 1,143.5 cfs. The month-by-month table on this page gives the full range.
- How long has Niangua River at Tunnel Dam near Macks Creek, MO been measured?
- Discharge records at USGS site 06923950 begin in 1995, about 31 years, covering roughly 9,200 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for Niangua River at Tunnel Dam near Macks Creek, MO?
- Yes. Rivermatics trains a machine-learned model — a temporal-fusion transformer — on this basin's observed flows, weather, and snowpack, and issues a daily flow outlook reaching 14 days ahead: a median estimate inside a confidence band, not a single number to bet on. Every forecast is scored against days the model never trained on, and that track record is published on the live gauge screen. Open live conditions to see the current outlook.
- Where is Niangua River at Tunnel Dam near Macks Creek, MO?
- The gauge sits at 37.93694, -92.85136, in Missouri, in hydrologic subbasin 10290110, at an elevation of about 700 feet, draining roughly 598 square miles.
- Can I use Niangua River at Tunnel Dam near Macks Creek, MO data for flood or safety decisions?
- No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.
Upstream and downstream on the Niangua River
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Niangua River in full.
- Niangua River at Windyville, MO 377 sq mi
- Niangua River ab Lake Niangua near Macks Creek, MO 522 sq mi
- Niangua River at Tunnel Dam near Macks Creek, MO this page