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SwedenGrace Coolidge Creek near Game Lodge near Custer water level
River gauge, Grace Coolidge Creek, South Dakota, United States
Right now
Normal for late October
Water level
- Flow
- 0.7 cfs
History
20252026
What this means
Grace Coolidge Creek near Game Lodge near Custer is at 6.73 ft, in the normal range for late October.
That puts it 0.07 ft below the median of 6.80 ft for late October, based on 9 years of readings. It is 2.77 ft below the flood stage of 9.50 ft. A year ago it stood at 6.79 ft (−0.06 ft).
The level has held steady over the past 24 hours. In the last month it has stayed between 6.62 ft and 6.74 ft.
Fall is often low-water season on rivers, until steadier rain returns.
Compared with 9 years of daily readings for this time of year. How to read levels
Key numbers
- Median for this date
- 6.80 ft0.07 ft below the median for this date
- Normal for this date
- 6.61 ft – 7.27 ft8 years in 10 fall in this range (9 years of records)
- Same day last year
- 6.79 ft−0.06 ft
- Lowest and highest in 30 days
- 6.62 ft – 6.74 ft
- Lowest and highest in 12 months
- 6.31 ft – 6.85 ft
- Highest on record
- 12.76 ftFebruary 9, 1979
Floating and fishing near Grace Coolidge Creek near Game Lodge near Custer
Normal flows mean predictable rapids and good access at most put-ins.
Flood stage here is 9.50 ft, 2.77 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.
What happens at each level
- 11.00 ft
- Major Flood Stage. Extensive inundation of structures and roads possible due to flooding on Grace Coolidge Creek.
- 10.00 ft
- Moderate Flood Stage. Some inundation of structures and roads along Grace Coolidge Creek.
- 9.50 ft
- Minor Flood Stage. Minor flooding along Grace Coolidge Creek. Low lying roads in Custer State Park may become impassable.
- 8.50 ft
- Grace Coolidge Creek begins to overflow roads in Custer State Park.
- 8.00 ft
- Low land flooding along the creek begins.
- 6.73 ft
- Right now
Impact statements from the U.S. National Weather Service.
Highest crests on record
| Rank | Level | Date |
|---|---|---|
| 1 | 12.76 ft | February 9, 1979 |
| 2 | 11.39 ft | May 8, 1995 |
| 3 | 10.90 ft | June 15, 1976 |
| 4 | 10.84 ft | September 7, 1989 |
| 5 | 10.67 ft | May 28, 2019 |
| 6 | 10.35 ft | June 10, 1972 |
| 7 | 10.21 ft | August 3, 1988 |
| 8 | 9.95 ft | April 10, 1997 |
| 9 | 9.72 ft | May 30, 1990 |
| 10 | 9.49 ft | May 18, 1981 |
Weather at the gauge
No rain in the last 3 days.
Forecast: Open-Meteo
Map
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| French Creek above FairburnRiver gauge, French Creek | 1.4 cfs | Very low | ±0 | 3.0 mi |
| Battle Creek near KeystoneRiver gauge, Battle Creek | 3.34 ft | Low | ±0 | 8 mi |
| Grizzly Bear Creek near KeystoneRiver gauge, Grizzly Bear Creek | 2.23 ft | Below flood stage | ±0 | 9 mi |
| Battle Creek at HermosaRiver gauge, Battle Creek | 2.59 ft | Very low | ±0 | 10 mi |
| Battle Creek above KeystoneRiver gauge, Battle Creek | 3.69 ft | Below flood stage | ±0 | 11 mi |
| Sunday Gulch below Johnson Canyon near Hill CityRiver gauge, Sunday Gulch | 4.44 ft | Highest on record | −0.01 ft | 13 mi |
| Spring Creek at Oreville, near Hill CityRiver gauge, Spring Creek | 4.04 ft | Below flood stage | ±0 | 15 mi |
| Spring Creek near KeystoneRiver gauge, Spring Creek | 3.33 ft | Below flood stage | +0.02 ft | 15 mi |
Questions and answers
How does Grace Coolidge Creek near Game Lodge near Custer compare with last year?
It is 0.06 ft lower than on the same day last year, when the reading was 6.79 ft.
What is flood stage for Grace Coolidge Creek near Game Lodge near Custer?
The official flood stage is 9.50 ft. The level is currently 2.77 ft below it.
What is a normal level for Grace Coolidge Creek near Game Lodge near Custer in late October?
The median for late October is 6.80 ft. In 8 years out of 10 the reading falls between 6.61 ft and 7.27 ft, based on 9 years of records.
Is gage height the same as water depth?
No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.
What is the water level of Grace Coolidge Creek near Game Lodge near Custer today?
On Oct 21, 2026, 03:00 AM MDT, the water level was 6.73 ft. Steady over the last 24 hours.
Is Grace Coolidge Creek near Game Lodge near Custer rising or falling?
Steady over the last 24 hours. Steady over the last 7 days.
Is the level of Grace Coolidge Creek near Game Lodge near Custer normal?
Normal for late October. Compared with 9 years of daily readings for this time of year.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- U.S. Geological Survey
- Station code
usgs:06404998(Agency page)- Coordinates
43.76111, -103.36361(WGS84)- Vertical datum
- NAVD88
- Update interval
- every 15 minutes
- Licence
- Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision
Published series
| Parameter | Last value | Time (UTC) | Quality |
|---|---|---|---|
| Water level | 6.73 ft | 2026-10-21 09:00 | Provisional |
| Flow | 0.7 cfs | 2026-10-21 09:00 | Provisional |
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How to cite
U.S. Geological Survey: Grace Coolidge Creek near Game Lodge near Custer (usgs:06404998). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/south-dakota/grace-coolidge-creek-near-game-lodge-near-custer
How we check values
Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.
Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer