Wisconsin River at Castle Rock Dam
Future / Actual / Minor
OWP 2.0 WWA Modal Title
01/11/2021, 10:04 PM UTC through 01/11/2021, 10:04 PM UTC
Sender
Sent
- Warning: no valid ratings curve available. Transformations to and from FEET/CFS/KCFS will not happen.
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Observed (OBS) 04/04/2025 8:10 AM CDTOfficial Forecast (FCST) 04/03/2025 7:25 PM CDTRecord: 54.76 cfsCATEGORY FLOW 
Major Flooding 45 kcfs Moderate Flooding 37.5 kcfs Minor Flooding 30 kcfs Action 10 kcfs Reliability of the Forecast:
NOTE: Forecasts are issued as needed during times of high water, but are not routinely available.
River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.
National Water Model Hydrograph
Official NWS streamflow forecasts are produced by NWS hydrologic forecasters for river gauge locations using hydrologic models which are calibrated to that location. This process considers additional guidance and information, including local expertise and experience, to produce the best forecast possible. The NWM output provides supplemental guidance to NWS forecasters and should not be considered an official NWS river forecast.
Flood Impacts
- 40000 - Localized flooding of properties along the river off Highway Z and HH is possible downstream of the Castle Rock Dam.
- 30000 - Localized flooding occurs along the river downstream of the Castle Rock Dam.
Gauge Info
| Coordinates | 43.8658, -89.9547 |
| RFC | NCRFC |
| State | WI |
| WFO | ARX |
| County | Adams |
| Data Provider(s) | |
| Wisconsin River Power Company | Wisconsin River Power Company |
Gauge Location
Recent Crests
| 1. | 858.20 ft | on 04-19-2019 |
| 2. | 857.74 ft | on 04-12-2011 |
| 3. | 859.43 ft | on 09-25-2010 |
Recent Crests
| 1. | 858.20 ft | on 04-19-2019 |
| 2. | 857.74 ft | on 04-12-2011 |
| 3. | 859.43 ft | on 09-25-2010 |
Historic Crests
| 1. | 859.43 ft | on 09-25-2010 |
| 2. | 858.20 ft | on 04-19-2019 |
| 3. | 857.74 ft | on 04-12-2011 |
Historic Crests
| 1. | 859.43 ft | on 09-25-2010 |
| 2. | 858.20 ft | on 04-19-2019 |
| 3. | 857.74 ft | on 04-12-2011 |
Probability Information
No Images Available
Unique Local Info
Target elevation of the lake pool is 882 ft. Above this level, the dam will release extra water through the gates. For Lake Pool elevation, please visit the Wisconsin Public Service website.
Collaborative Agencies
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.