USGS Streamgage 13175100
Owyhee River near Mountain City, NV
Owyhee River near Mountain City, NV is USGS streamgage 13175100 in Nevada, monitoring river discharge in hydrologic subbasin 17050104. It sits on the Owyhee River, alongside 2 other gauges Rivermatics tracks on the same river. It drains a watershed of about 391 square miles. Discharge records at this site go back to 1991. Typical flow runs near 95.4 cfs in July and 176.1 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
- Nevada
- Drainage area
- 391 sq mi
- Subbasin (HUC-8)
- 17050104
- Coordinates
- 41.86046, -115.98926
- USGS site number
- 13175100
- Records begin
- 1991-04-22 (35 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Owyhee River near Mountain City, NV. 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 |
|---|---|---|---|---|
| 6.3 | 7.1 | 7.8 | ||
| 6.2 | 7.1 | 7.8 | ||
| 6.1 | 7.1 | 8 | ||
| 6 | 7.2 | 8.2 | ||
| 5.8 | 7.2 | 8.4 | ||
| 5.5 | 7.1 | 8.5 | ||
| 5.3 | 7.1 | 8.8 | ||
| 5.1 | 7.1 | 9 | ||
| 4.8 | 7 | 9 | ||
| 4.7 | 7 | 9.1 | ||
| 4.6 | 6.9 | 9.2 | ||
| 4.6 | 6.9 | 9.3 | ||
| 4.4 | 6.9 | 9.4 | ||
| 4.4 | 7 | 9.6 |
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 36 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 | 12.3 | 21.7 | 53 | |
| February | 16.6 | 28.8 | 92.1 | |
| March | 29.7 | 78.5 | 236.1 | |
| April | 60 | 176.1 | 645.7 | |
| May | 71.5 | 198.1 | 694 | |
| June | 71.9 | 139.6 | 300 | |
| July | 32.1 | 95.4 | 142 | |
| August | 5.9 | 77.9 | 122.2 | |
| September | 5.3 | 36.9 | 94.3 | |
| October | 8.8 | 21.6 | 51.7 | |
| November | 11.7 | 18.7 | 34.8 | |
| December | 11.6 | 18.7 | 36.4 |
All values in cubic feet per second (cfs).
Common questions
- When does Owyhee River near Mountain City, NV normally run highest?
- May, on the long-term record. The median daily flow that month is about 198.1 cfs, against 18.7 cfs in November, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Owyhee River near Mountain City, NV?
- It depends on the month. In January, half of days historically fall near 21.7 cfs, with the middle 80% of days between 12.3 and 53 cfs. The month-by-month table on this page gives the full range.
- How long has Owyhee River near Mountain City, NV been measured?
- Discharge records at USGS site 13175100 begin in 1991, about 35 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 Owyhee River near Mountain City, NV?
- 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 Owyhee River near Mountain City, NV?
- The gauge sits at 41.86046, -115.98926, in Nevada, in hydrologic subbasin 17050104, draining roughly 391 square miles.
- Can I use Owyhee River near Mountain City, NV 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 Owyhee River
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Owyhee River in full.
- Owyhee River near Gold Creek, NV 209 sq mi
- Owyhee River near Mountain City, NV this page
- Owyhee River below Owyhee Dam, OR 11,160 sq mi