USGS Streamgage 06324500
Powder River at Moorhead, MT
Powder River at Moorhead, MT is USGS streamgage 06324500 in Montana, monitoring river discharge in hydrologic subbasin 10090207. It sits on the Powder River, alongside 2 other gauges Rivermatics tracks on the same river. It drains a watershed of about 8,029 square miles. Discharge records at this site go back to 1923. Typical flow runs near 236 cfs in July and 408.8 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
- Montana
- Drainage area
- 8,029 sq mi
- Gauge elevation
- 3,348 ft
- Subbasin (HUC-8)
- 10090207
- Coordinates
- 45.0572, -105.87838
- USGS site number
- 06324500
- Records begin
- 1923-09-30 (103 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Powder River at Moorhead, 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 |
|---|---|---|---|---|
| 25.9 | 29.3 | 33.5 | ||
| 22.9 | 28.1 | 34.6 | ||
| 21 | 27.4 | 36.6 | ||
| 19.6 | 26.6 | 37.8 | ||
| 18.8 | 26.3 | 38.4 | ||
| 18.4 | 26.4 | 40.9 | ||
| 21.6 | 32 | 62.4 | ||
| 21.9 | 37.9 | 90.9 | ||
| 21.4 | 40 | 107 | ||
| 20.7 | 40.2 | 109 | ||
| 20.4 | 40.8 | 109 | ||
| 19.4 | 40 | 106 | ||
| 20 | 42 | 104 | ||
| 18.7 | 40.2 | 104 |
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 97 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 | 78.9 | 150.2 | 248.2 | |
| February | 90.5 | 202.4 | 527.2 | |
| March | 200.7 | 391.1 | 1,161.3 | |
| April | 232.9 | 408.8 | 800.2 | |
| May | 206.2 | 748.4 | 2,236.8 | |
| June | 105.1 | 1,040.8 | 3,197.7 | |
| July | 24 | 236 | 1,151.7 | |
| August | 9.8 | 75.5 | 375.8 | |
| September | 13.1 | 78.8 | 328.1 | |
| October | 66.5 | 188.4 | 371.2 | |
| November | 97.8 | 218.8 | 354.9 | |
| December | 79.6 | 153.6 | 261.9 |
All values in cubic feet per second (cfs).
Common questions
- When does Powder River at Moorhead, MT normally run highest?
- June, on the long-term record. The median daily flow that month is about 1,040.8 cfs, against 75.5 cfs in August, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Powder River at Moorhead, MT?
- It depends on the month. In January, half of days historically fall near 150.2 cfs, with the middle 80% of days between 78.9 and 248.2 cfs. The month-by-month table on this page gives the full range.
- How long has Powder River at Moorhead, MT been measured?
- Discharge records at USGS site 06324500 begin in 1923, about 103 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 Powder River at Moorhead, 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 Powder River at Moorhead, MT?
- The gauge sits at 45.0572, -105.87838, in Montana, in hydrologic subbasin 10090207, at an elevation of about 3,348 feet, draining roughly 8,029 square miles.
- Can I use Powder River at Moorhead, 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.
Upstream and downstream on the Powder River
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Powder River in full.
- Powder River at Arvada, WY 5,924 sq mi
- Powder River at Moorhead, MT this page
- Powder River near Locate, MT 13,060 sq mi