USGS Streamgage 06197800
East Boulder River below Dry Fork Creek near McLeod, MT
East Boulder River below Dry Fork Creek near McLeod, MT is USGS streamgage 06197800 in Montana, monitoring river discharge in hydrologic subbasin 10070002. It drains a watershed of about 39 square miles. Discharge records at this site go back to 2019. Typical flow runs near 46.2 cfs in July and 6.7 cfs in April, with the higher of the two arriving in July. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.
View live conditions & forecast →
Gauge details
- State
- Montana
- Drainage area
- 39 sq mi
- Gauge elevation
- 6,152 ft
- Subbasin (HUC-8)
- 10070002
- Coordinates
- 45.51233, -110.08772
- USGS site number
- 06197800
- Records begin
- 2019-10-04 (7 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for East Boulder River below Dry Fork Creek near McLeod, MT. 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 |
|---|---|---|---|---|
| 10.8 | 11.5 | 12.2 | ||
| 10.5 | 11.3 | 12.1 | ||
| 10.2 | 11 | 11.8 | ||
| 10 | 10.9 | 11.7 | ||
| 9.8 | 10.7 | 11.5 | ||
| 9.8 | 10.7 | 11.6 | ||
| 9.7 | 10.6 | 11.5 | ||
| 9.5 | 10.4 | 11.3 | ||
| 9.4 | 10.3 | 11.2 | ||
| 9.2 | 10.1 | 11 | ||
| 9 | 10 | 10.9 | ||
| 8.9 | 9.9 | 10.8 | ||
| 8.8 | 9.8 | 10.7 | ||
| 8.7 | 9.6 | 10.6 |
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 7 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 | — | 7 | — | |
| February | — | 5.3 | — | |
| March | — | 4.3 | — | |
| April | — | 6.7 | — | |
| May | — | 85.5 | — | |
| June | — | 251.8 | — | |
| July | — | 46.2 | — | |
| August | — | 20.6 | — | |
| September | — | 14.9 | — | |
| October | — | 14.4 | — | |
| November | — | 11.3 | — | |
| December | — | 9.1 | — |
All values in cubic feet per second (cfs).
Common questions
- When does East Boulder River below Dry Fork Creek near McLeod, MT normally run highest?
- June, on the long-term record. The median daily flow that month is about 251.8 cfs, against 4.3 cfs in March, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- How long has East Boulder River below Dry Fork Creek near McLeod, MT been measured?
- Discharge records at USGS site 06197800 begin in 2019, about 7 years, covering roughly 2,497 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for East Boulder River below Dry Fork Creek near McLeod, MT?
- 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 East Boulder River below Dry Fork Creek near McLeod, MT?
- The gauge sits at 45.51233, -110.08772, in Montana, in hydrologic subbasin 10070002, at an elevation of about 6,152 feet, draining roughly 39 square miles.
- Can I use East Boulder River below Dry Fork Creek near McLeod, MT 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.