About this river
Rapid Creek is a 16.3 mile river near The Marina at Sheridan Lake in South Dakota. Streamflow is measured at the USGS gauge Rapid Creek above Canyon Lake near Rapid City, SD (site 06412500). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1964 to 2026
Rapid Creek typically runs highest in July, at a median 76 cfs, and lowest in December, at 14 cfs. The highest flow on record for any single day is 2,600 cfs, in 1972.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 15 | 8.4 to 28 | |
| February | 15 | 9.9 to 30 | |
| March | 20 | 11 to 39 | |
| April | 31 | 13 to 67 | |
| May | 65 | 37 to 131 | |
| June | 70 | 44 to 163 | |
| July | 76 | 56 to 112 | |
| August | 56 | 41 to 76 | |
| September | 39 | 24 to 58 | |
| October | 19 | 10 to 34 | |
| November | 17 | 9.3 to 30 | |
| December | 14 | 8.0 to 28 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 62 years of record. Statistics published by the US Geological Survey for Rapid Creek above Canyon Lake near Rapid City, SD (site 06412500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Rapid Creek's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
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