USGS Streamgage 06348300
Heart River at Stark Bridge near Judson, ND
Heart River at Stark Bridge near Judson, ND is USGS streamgage 06348300 in North Dakota, monitoring river discharge in hydrologic subbasin 10130203. It sits on the Heart River, alongside 4 other gauges Rivermatics tracks on the same river. It drains a watershed of about 2,940 square miles. Discharge records at this site go back to 1988. Typical flow runs near 83.5 cfs in July and 168.5 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
- 2,940 sq mi
- Gauge elevation
- 1,734 ft
- Subbasin (HUC-8)
- 10130203
- Coordinates
- 46.70333, -101.21361
- USGS site number
- 06348300
- Records begin
- 1988-10-01 (38 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Heart River at Stark Bridge near Judson, 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 |
|---|---|---|---|---|
| 12.4 | 14.6 | 16.7 | ||
| 11.4 | 14.2 | 17.6 | ||
| 10.6 | 13.8 | 18.5 | ||
| 11.2 | 15.3 | 27 | ||
| 11.1 | 15.7 | 34.6 | ||
| 11.1 | 15.8 | 32.7 | ||
| 10.1 | 15.1 | 31.5 | ||
| 9.6 | 14.9 | 32.5 | ||
| 9.2 | 14.7 | 31.4 | ||
| 8.1 | 13.9 | 29.7 | ||
| 7.6 | 13.5 | 28.8 | ||
| 7.7 | 13.6 | 30.2 | ||
| 7.8 | 13.6 | 29.6 | ||
| 7.7 | 13.6 | 30.5 |
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 | 5.3 | 22.6 | 70.4 | |
| February | 5 | 26.6 | 192.6 | |
| March | 19.9 | 102 | 1,830.3 | |
| April | 23.6 | 168.5 | 2,345.7 | |
| May | 17.1 | 99.7 | 760.3 | |
| June | 26.4 | 105.2 | 622.9 | |
| July | 28.3 | 83.5 | 421 | |
| August | 31.9 | 69 | 274.1 | |
| September | 20.5 | 57.6 | 165.1 | |
| October | 14.6 | 39 | 237.5 | |
| November | 16.1 | 30.4 | 144.6 | |
| December | 8.5 | 24.9 | 101.4 |
All values in cubic feet per second (cfs).
Common questions
- When does Heart River at Stark Bridge near Judson, ND normally run highest?
- April, on the long-term record. The median daily flow that month is about 168.5 cfs, against 22.6 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 at Stark Bridge near Judson, ND?
- It depends on the month. In January, half of days historically fall near 22.6 cfs, with the middle 80% of days between 5.3 and 70.4 cfs. The month-by-month table on this page gives the full range.
- How long has Heart River at Stark Bridge near Judson, ND been measured?
- Discharge records at USGS site 06348300 begin in 1988, about 38 years, covering roughly 9,130 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 at Stark Bridge near Judson, 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 at Stark Bridge near Judson, ND?
- The gauge sits at 46.70333, -101.21361, in North Dakota, in hydrologic subbasin 10130203, at an elevation of about 1,734 feet, draining roughly 2,940 square miles.
- Can I use Heart River at Stark Bridge near Judson, 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 1,530 sq mi
- Heart River at Stark Bridge near Judson, ND this page
- Heart River near Mandan, ND 3,320 sq mi