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Weather Forecast Office La Crosse, WI

North Central River Forecast Center

Hydrograph

River at a Glance

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Printable Image About this graph Tabular Data (UTC) Tabular Data (CDT) Datum: Not Available Metadata

NOTE: 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. NOTE: Forecasts for the Wisconsin River at Castle Rock Dam are issued as needed during times of high water, but are not routinely available.

Default Hydrograph Scale to Flood Categories   Return to Area Map

Upstream Gauge

Downstream Gauge

Flood Categories (in KCFS) Major Flood Flow: 45 Moderate Flood Flow: 37.5 Flood Flow: 30 Action Flow: 10 Low Stage (in feet): -9999 Historic Crests (1) 54,763 cfs on 09/25/2010 (2) 52,953 cfs on 04/19/2019 (3) 45,647 cfs on 04/12/2011 (P): Preliminary values subject to further review. Recent Crests (1) 52,953 cfs on 04/19/2019 (2) 45,647 cfs on 04/12/2011 (3) 54,763 cfs on 09/25/2010 (P): Preliminary values subject to further review. Low Water Records Currently none available. For more information on your flood risk go to www.floodsmart.gov. Show FEMA's National Flood Hazard Layers FEMA's National Flood Hazard Layers not showing? Why aren't the FEMA National Flood Hazard Layers showing on the ESRI Map? Possible reasons: There are no FEMA National Flood Hazard Layers for the location which you are viewing on ESRI Maps. The FEMA Web Mapping Service (WMS) is down. Note: Your zoom level may have changed. ESRI's zoom levels must be between 14 and 16 to show National Flood Hazard layers.

Zoom Level:14 Legend FEMA Layer Gauge Location Disclaimer Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.

Flood Impacts & Photos

If you notice any errors in the below information, please contact our Webmaster
40000	Several roads are closed downstream of the dam. Highway Z and HH are likely closed.
30000	Localized flooding occurs near Highway Z and HH downstream of the dam.
Photos (1) Upstream view at Castle Rock Dam, August 9th, 2011 (2) Downstream view at Castle Rock Dam, August 9th, 2011

About This Location

Latitude: 43.865800° N, Longitude: 89.954700° W, Horizontal Datum: Unknown River Stage Reference Frame Gauge Height Flood Stage Uses NWS flow Not Available Not Available Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps Vertical Datum Elevation (gauge height = 0) Elevation (gauge height = flood stage) Elevation information source NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks Other Not Available Not Available

Additional Information

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.

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary Inundation Mapping Locations

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management Snow Information

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. NWS Information National Weather Service La Crosse Weather Forecast Office N2788 County Rd FA La Crosse, WI 54601 (608) 784-7294 Ask Questions/Webmaster Page last modified: 2-Nov-2020 7:29 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities