USGS Streamgage 06108800
Teton River at Loma, MT
Teton River at Loma, MT is USGS streamgage 06108800 in Montana, monitoring river discharge in hydrologic subbasin 10030205. It sits on the Teton River, alongside 1 other gauge Rivermatics tracks on the same river. It drains a watershed of about 2,027 square miles. Discharge records at this site go back to 1998. Typical flow runs near 15.9 cfs in July and 68.7 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
- 2,027 sq mi
- Gauge elevation
- 2,564 ft
- Subbasin (HUC-8)
- 10030205
- Coordinates
- 47.93272, -110.51443
- USGS site number
- 06108800
- Records begin
- 1998-06-01 (28 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Teton River at Loma, 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 |
|---|---|---|---|---|
| 13.8 | 16.3 | 19.8 | ||
| 13.2 | 19.1 | 31.1 | ||
| 12.7 | 21.4 | 43.4 | ||
| 11.8 | 22.2 | 50.9 | ||
| 11.1 | 22.2 | 52.1 | ||
| 11.2 | 22.6 | 54.5 | ||
| 11.3 | 25.3 | 63.6 | ||
| 11.4 | 26.5 | 68.4 | ||
| 10.9 | 26.3 | 67.5 | ||
| 9.8 | 23.8 | 58.7 | ||
| 9.2 | 22.9 | 55.2 | ||
| 9.5 | 22.9 | 50.8 | ||
| 9.5 | 23 | 49.2 | ||
| 8.9 | 21.7 | 45.8 |
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 28 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 | 2.6 | 25 | 78.9 | |
| February | 8.2 | 35.6 | 129 | |
| March | 29.1 | 74.5 | 307 | |
| April | 29.2 | 68.7 | 286.5 | |
| May | 11.7 | 47.5 | 334.3 | |
| June | 10.3 | 83.7 | 469.5 | |
| July | 0.1 | 15.9 | 219.4 | |
| August | 0 | 2.1 | 56.2 | |
| September | 0 | 4.5 | 37.8 | |
| October | 0 | 17.3 | 59.9 | |
| November | 1.8 | 24.3 | 83.2 | |
| December | 1.5 | 22.3 | 80 |
All values in cubic feet per second (cfs).
Common questions
- When does Teton River at Loma, MT normally run highest?
- June, on the long-term record. The median daily flow that month is about 83.7 cfs, against 2.1 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 Teton River at Loma, MT?
- It depends on the month. In January, half of days historically fall near 25 cfs, with the middle 80% of days between 2.6 and 78.9 cfs. The month-by-month table on this page gives the full range.
- How long has Teton River at Loma, MT been measured?
- Discharge records at USGS site 06108800 begin in 1998, about 28 years, covering roughly 9,070 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for Teton River at Loma, 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 Teton River at Loma, MT?
- The gauge sits at 47.93272, -110.51443, in Montana, in hydrologic subbasin 10030205, at an elevation of about 2,564 feet, draining roughly 2,027 square miles.
- Can I use Teton River at Loma, 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 Teton River
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Teton River in full.
- Teton River below South Fork near Choteau, MT 110 sq mi
- Teton River at Loma, MT this page