USGS Streamgage 06355500
North Fork Grand River near White Butte, SD
North Fork Grand River near White Butte, SD is USGS streamgage 06355500 in South Dakota, monitoring river discharge in hydrologic subbasin 10130301. It sits on the North Fork Grand River, alongside 1 other gauge Rivermatics tracks on the same river. It drains a watershed of about 1,200 square miles. Discharge records at this site go back to 1945. Typical flow runs near 10.4 cfs in July and 33.5 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
- South Dakota
- Drainage area
- 1,200 sq mi
- Gauge elevation
- 2,298 ft
- Subbasin (HUC-8)
- 10130301
- Coordinates
- 45.80222, -102.36194
- USGS site number
- 06355500
- Records begin
- 1945-12-01 (81 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for North Fork Grand River near White Butte, SD. 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 |
|---|---|---|---|---|
| 0 | 0 | 0 | ||
| 0 | 0 | 0 | ||
| 0 | 0 | 0 | ||
| 0 | 0 | 0 | ||
| 0 | 0 | 0 | ||
| 0 | 0 | 0 | ||
| 0 | 0 | 0 | ||
| 0 | 0 | 0 | ||
| 0 | 0 | 0 | ||
| 0 | 0 | 0 | ||
| 0 | 0 | 0 | ||
| 0 | 0 | 0 | ||
| 0 | 0 | 0 | ||
| 0 | 0 | 0.1 |
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 60 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 | 0 | 2.2 | 15.1 | |
| February | 0 | 4 | 50 | |
| March | 2.3 | 24.5 | 423.8 | |
| April | 4 | 33.5 | 340 | |
| May | 1.6 | 27.2 | 196.4 | |
| June | 0.4 | 17.5 | 144 | |
| July | 0 | 10.4 | 59.6 | |
| August | 0 | 1.3 | 34.4 | |
| September | 0 | 0.5 | 20 | |
| October | 0 | 3.1 | 22.8 | |
| November | 0 | 5.2 | 15.7 | |
| December | 0.2 | 3.5 | 12.5 |
All values in cubic feet per second (cfs).
Common questions
- When does North Fork Grand River near White Butte, SD normally run highest?
- April, on the long-term record. The median daily flow that month is about 33.5 cfs, against 0.5 cfs in September, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for North Fork Grand River near White Butte, SD?
- It depends on the month. In January, half of days historically fall near 2.2 cfs, with the middle 80% of days between 0 and 15.1 cfs. The month-by-month table on this page gives the full range.
- How long has North Fork Grand River near White Butte, SD been measured?
- Discharge records at USGS site 06355500 begin in 1945, about 81 years, covering roughly 9,088 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for North Fork Grand River near White Butte, SD?
- 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 North Fork Grand River near White Butte, SD?
- The gauge sits at 45.80222, -102.36194, in South Dakota, in hydrologic subbasin 10130301, at an elevation of about 2,298 feet, draining roughly 1,200 square miles.
- Can I use North Fork Grand River near White Butte, SD 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 North Fork Grand River
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the North Fork Grand River in full.
- North Fork Grand River above Bowman-Haley Lake, ND 229 sq mi
- North Fork Grand River near White Butte, SD this page