Wild Irishman Gulch near Rapid City, SD
River level and flood forecast · Pennington County
Normal3.5 ftas of Mon 1:45 PM
The river is 1.5 ft below flood stage (5 ft).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 5 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 6 ft |
| Moderate flood stage | 5.5 ft |
| Flood stage | 5 ft |
| Action stage | 4 ft |
| Record crest (August 17, 2007) | 4.94 ft |
What floods at each level
From the National Weather Service, highest first.
- 6 ftMajor Flood Stage. Extensive flooding along the creek with inundation of structures and roads.
- 5.5 ftModerate Flood Stage. Some inundation of structures and roads near the creek are possible.
- 5 ftMinor Flood Stage. Minor flooding along the creek and downstream.
- 4 ftAction Stage. Water begins to flow in Wild Irishman Gulch.
Highest crests on record
- 4.94 ft — August 17, 2007
- 4.31 ft — August 7, 2006
- 3.72 ft — May 17, 2023
- 3.68 ft — May 28, 2019
Recent crests: 3.72 ft (May 17, 2023) · 3.68 ft (May 28, 2019) · 4.94 ft (August 17, 2007) · 4.31 ft (August 7, 2006)
Up and down the river, and nearby
- South Canyon near Rapid City, SD
- Rapid Creek above Victoria Creek near Rapid City, SD
- Rapid Creek at Big Bend, SD
- Rapid Creek above Canyon Lake near Rapid City, SD
- Rapid Creek above Johnson Siding, SD
- Victoria Creek below Victoria Dam nr Rapid City, SD
- Boxelder Creek near Rapid City, SD
- Victoria Creek above Victoria Dam nr Rapid City, SD
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (IRIS2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.