USGS Streamgage 06345780
Heart River Ab Lake Tschida near Glen Ullin, ND
Heart River Ab Lake Tschida near Glen Ullin, ND is USGS streamgage 06345780 in North Dakota, monitoring river discharge in hydrologic subbasin 10130202. It sits on the Heart River, alongside 4 other gauges Rivermatics tracks on the same river. It drains a watershed of about 1,530 square miles. Discharge records at this site go back to 1988. Typical flow runs near 30.5 cfs in July and 73 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
- North Dakota
- Drainage area
- 1,530 sq mi
- Gauge elevation
- 2,090 ft
- Subbasin (HUC-8)
- 10130202
- Coordinates
- 46.65694, -102.07889
- USGS site number
- 06345780
- Records begin
- 1988-07-09 (38 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Heart River Ab Lake Tschida near Glen Ullin, ND. 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 |
|---|---|---|---|---|
| 6.8 | 8.3 | 11.7 | ||
| 6.3 | 8.2 | 13.1 | ||
| 5.9 | 8 | 13 | ||
| 5.5 | 7.7 | 13 | ||
| 5.6 | 8 | 14.3 | ||
| 6 | 8.8 | 16.7 | ||
| 6 | 9.3 | 18.3 | ||
| 5.8 | 9.2 | 17.9 | ||
| 5.8 | 9.2 | 17.5 | ||
| 5.8 | 9.6 | 18.4 | ||
| 5.3 | 8.9 | 17.8 | ||
| 5 | 8.6 | 17.8 | ||
| 4.7 | 8 | 15.8 | ||
| 5 | 8.2 | 15.5 |
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 38 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 | 3.3 | 12.3 | 31.8 | |
| February | 3.2 | 17.2 | 138.8 | |
| March | 15.5 | 54.6 | 961.7 | |
| April | 18.8 | 73 | 534.6 | |
| May | 11 | 50.1 | 371.2 | |
| June | 10.6 | 53.6 | 312.5 | |
| July | 5.3 | 30.5 | 186.3 | |
| August | 0.5 | 14.9 | 78.1 | |
| September | 1.3 | 14.5 | 55.9 | |
| October | 4.3 | 19.5 | 88.2 | |
| November | 9.5 | 21.1 | 63.2 | |
| December | 5.7 | 15.8 | 42.6 |
All values in cubic feet per second (cfs).
Common questions
- When does Heart River Ab Lake Tschida near Glen Ullin, ND normally run highest?
- April, on the long-term record. The median daily flow that month is about 73 cfs, against 12.3 cfs in January, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Heart River Ab Lake Tschida near Glen Ullin, ND?
- It depends on the month. In January, half of days historically fall near 12.3 cfs, with the middle 80% of days between 3.3 and 31.8 cfs. The month-by-month table on this page gives the full range.
- How long has Heart River Ab Lake Tschida near Glen Ullin, ND been measured?
- Discharge records at USGS site 06345780 begin in 1988, about 38 years, covering roughly 9,119 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for Heart River Ab Lake Tschida near Glen Ullin, ND?
- 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 Heart River Ab Lake Tschida near Glen Ullin, ND?
- The gauge sits at 46.65694, -102.07889, in North Dakota, in hydrologic subbasin 10130202, at an elevation of about 2,090 feet, draining roughly 1,530 square miles.
- Can I use Heart River Ab Lake Tschida near Glen Ullin, ND 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 Heart River
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Heart River in full.
- Heart River near South Heart, ND 311 sq mi
- Heart River near Richardton, ND 1,250 sq mi
- Heart River Ab Lake Tschida near Glen Ullin, ND this page
- Heart River at Stark Bridge near Judson, ND 2,940 sq mi
- Heart River near Mandan, ND 3,320 sq mi