USGS Streamgage 06897500
Grand River near Gallatin, MO
Grand River near Gallatin, MO is USGS streamgage 06897500 in Missouri, monitoring river discharge in hydrologic subbasin 10280101. It sits on the Grand River, alongside 3 other gauges Rivermatics tracks on the same river. It drains a watershed of about 2,250 square miles. Discharge records at this site go back to 1909. Typical flow runs near 234.7 cfs in July and 592.5 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
- 2,250 sq mi
- Gauge elevation
- 720 ft
- Subbasin (HUC-8)
- 10280101
- Coordinates
- 39.92695, -93.94272
- USGS site number
- 06897500
- Records begin
- 1909-07-08 (117 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Grand River near Gallatin, 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 |
|---|---|---|---|---|
| 172 | 244 | 441 | ||
| 126 | 184 | 368 | ||
| 106 | 162 | 504 | ||
| 110 | 252 | 2,192 | ||
| 125 | 459 | 4,435 | ||
| 192 | 1,182 | 8,246 | ||
| 243 | 1,436 | 8,753 | ||
| 246 | 1,169 | 6,002 | ||
| 225 | 876 | 3,754 | ||
| 179 | 538 | 2,480 | ||
| 146 | 347 | 1,358 | ||
| 121 | 260 | 1,099 | ||
| 105 | 209 | 840 | ||
| 93.3 | 174 | 523 |
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 105 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 | 21 | 137.5 | 891.3 | |
| February | 28.3 | 299 | 2,486.9 | |
| March | 72.5 | 539.7 | 4,719.7 | |
| April | 120.6 | 592.5 | 5,287.3 | |
| May | 110.8 | 647.7 | 6,164.5 | |
| June | 67.4 | 519.3 | 7,019 | |
| July | 41 | 234.7 | 2,874.8 | |
| August | 29.9 | 142.8 | 1,314 | |
| September | 22.1 | 102.5 | 2,004.7 | |
| October | 17.3 | 96.1 | 1,617.1 | |
| November | 24 | 119.9 | 1,340.8 | |
| December | 19.8 | 144.8 | 1,072.7 |
All values in cubic feet per second (cfs).
Common questions
- When does Grand River near Gallatin, MO normally run highest?
- May, on the long-term record. The median daily flow that month is about 647.7 cfs, against 96.1 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 Grand River near Gallatin, MO?
- It depends on the month. In January, half of days historically fall near 137.5 cfs, with the middle 80% of days between 21 and 891.3 cfs. The month-by-month table on this page gives the full range.
- How long has Grand River near Gallatin, MO been measured?
- Discharge records at USGS site 06897500 begin in 1909, about 117 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 Grand River near Gallatin, 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 Grand River near Gallatin, MO?
- The gauge sits at 39.92695, -93.94272, in Missouri, in hydrologic subbasin 10280101, at an elevation of about 720 feet, draining roughly 2,250 square miles.
- Can I use Grand River near Gallatin, 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 Grand River
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Grand River in full.
- Grand River near Pattonsburg, MO 1,720 sq mi
- Grand River near Gallatin, MO this page
- Grand River near Fountain Grove, MO 6,240 sq mi
- Grand River near Sumner, MO 6,880 sq mi