Boxelder Creek near Rapid City
Highest listed crest 34.24 ftFlood stage 33.5 ft27 crests since 1982
The Boxelder Creek near Rapid City crested above flood stage 1 time among the 27 crests the National Weather Service lists from 1982 to 2020. The highest, 34.24 ft on July 5, 2019, was minor flooding, 0.74 feet above flood stage.
The gauge
- Highest listed crest
- 34.24 ft
- July 5, 2019; 1,330 cubic feet per second
- Flood stage
- 33.5 ft
- Major flooding from 36.0 ft
- Crests at major
- 0
- 1 above flood stage
- Most recent flood crest
- July 5, 2019
- 34.24 ft, minor flooding
Flood stages
The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.
| Action stage | 32.0 | 5 | Jun 7, 2015 |
| Flood stage (minor) | 33.5 | 1 | Jul 5, 2019 |
| Moderate flood stage | 35.0 | 0 | — |
| Major flood stage | 36.0 | 0 | — |
Every listed crest
27 crests from 1982 to 2020. Filled: at or above flood stage. Hover a crest for its date and stage.
Crests at or above flood stage, by decade
- These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
- Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.
Highest crests
| 1 | Jul 5, 2019 | 34.24 | +0.74 | Minor |
| 2 | May 31, 1996 | 33.46 | −0.04 | Action |
| 3 | May 10, 1995 | 33.09 | −0.41 | Action |
| 4 | Jun 7, 2015 | 32.69 | −0.81 | Action |
| 5 | Jun 6, 2008 | 32.23 | −1.27 | Action |
| 6 | Jun 3, 1997 | 32.21 | −1.29 | Action |
| 7 | May 15, 2010 | 31.80 | −1.70 | Below flood stage |
| 8 | Jun 19, 1998 | 31.76 | −1.74 | Below flood stage |
| 9 | Jun 15, 1999 | 31.73 | −1.77 | Below flood stage |
| 10 | Jun 6, 1991 | 31.64 | −1.86 | Below flood stage |
| 11 | Apr 16, 2009 | 31.63 | −1.87 | Below flood stage |
| 12 | May 25, 2011 | 31.60 | −1.90 | Below flood stage |
| 13 | May 7, 1983 | 31.51 | −1.99 | Below flood stage |
| 14 | Jun 9, 1993 | 31.49 | −2.01 | Below flood stage |
| 15 | May 3, 1994 | 31.40 | −2.10 | Below flood stage |
| 16 | Aug 14, 2017 | 31.36 | −2.14 | Below flood stage |
| 17 | May 18, 2000 | 31.35 | −2.15 | Below flood stage |
| 18 | Aug 5, 2014 | 31.34 | −2.16 | Below flood stage |
| 19 | Jun 11, 1984 | 31.29 | −2.21 | Below flood stage |
| 20 | Jul 18, 2016 | 31.08 | −2.42 | Below flood stage |
| 21 | May 29, 2013 | 30.96 | −2.54 | Below flood stage |
| 22 | Jun 22, 2018 | 30.94 | −2.56 | Below flood stage |
| 23 | May 22, 1982 | 30.84 | −2.66 | Below flood stage |
| 24 | Apr 8, 2020 | 30.83 | −2.67 | Below flood stage |
| 25 | Oct 1, 2000 | 30.36 | −3.14 | Below flood stage |
| 26 | Oct 2, 2020 | 29.97 | −3.53 | Below flood stage |
| 27 | Jul 17, 2012 | 29.87 | −3.63 | Below flood stage |
Other gauges in Pennington County
| Keystone | 14.50 ft, Jun 9, 1972 | 1 |
| Keystone | 14.50 ft, Jun 9, 1972 | 1 |
| Deerfield | 6.54 ft, Mar 15, 2019 | 0 |
| Scenic | 19.31 ft, Mar 11, 2011 | 0 |
| Wasta | 18.00 ft, May 15, 1920 | 2 |
| Keystone | 6.32 ft, Oct 11, 2013 | 1 |
| Johnson Siding | 4.88 ft, Jun 24, 2015 | 0 |
| Victoria Creek near Rapid City | 13.00 ft, Jun 9, 1972 | 1 |
| Water Reclamation Facility near Rapid City | 11.23 ft, May 28, 2019 | 0 |
| Big Bend | 7.43 ft, Jun 24, 2015 | 0 |
| Founders Park | 11.18 ft, Jun 2, 1997 | 0 |
| Hawthorne Ditch at Rapid City | 24.30 ft, Jun 9, 1972 | 0 |
| Farmingdale | 12.69 ft, May 24, 2010 | 3 |
| Hill City | 6.32 ft, May 26, 2015 | 0 |
| Rockerville | 14.00 ft, Jun 10, 1972 | 1 |
| Hill City | 8.23 ft, Jun 18, 1998 | 1 |
| Victoria Dam nr Rapid City | 8.20 ft, May 28, 2019 | 1 |
Pennington County: every hazard · River floods across the country · South Dakota
NOAA National Water Prediction Service, gauge BNRS2, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.