Minnesota River at Big Stone Lake
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
- Upstream gauge unavailableWarning: no valid ratings curve available. Transformations to and from FEET/CFS/KCFS will not happen.
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Observed (OBS) 06/13/2025 4:30 PM CDTCATEGORY STAGE 
Major Flooding 973.5 ft Moderate Flooding 971.5 ft Minor Flooding 970 ft Action 969 ft Reliability of the Forecast: Forecast data shown here are guidance values only. Please refer to your local NWS office.
NOTE: Forecasts are issued as needed during times of high water, but are not routinely available.
Stage measured manually and reported by river observer. No automated gauge on-site.
River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 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
- 973.5 - Over 100 structures inundated, including homes on the Ortonville peninsula.
- 971.5 - 40 TO 60 structures inundated, including homes on the Ortonville peninsula.
- 970.1 - Water reaches shoreline homes on Shady Oak Drive.
Gauge Location
Recent Crests
| 1. | 971.20 ft | on 04-16-2023 | (P) |
| 2. | 969.55 ft | on 04-01-2019 | |
| 3. | 972.20 ft | on 03-20-2010 | |
| 4. | 971.30 ft | on 04-14-2001 | |
| 5. | 973.90 ft | on 04-07-1997 |
Recent Crests
| 1. | 971.20 ft | on 04-16-2023 | (P) |
| 2. | 969.55 ft | on 04-01-2019 | |
| 3. | 972.20 ft | on 03-20-2010 | |
| 4. | 971.30 ft | on 04-14-2001 | |
| 5. | 973.90 ft | on 04-07-1997 |
Historic Crests
| 1. | 973.90 ft | on 04-07-1997 | |
| 2. | 972.20 ft | on 03-20-2010 | |
| 3. | 971.30 ft | on 04-14-2001 | |
| 4. | 971.20 ft | on 04-16-2023 | (P) |
| 5. | 969.55 ft | on 04-01-2019 |
Historic Crests
| 1. | 973.90 ft | on 04-07-1997 | |
| 2. | 972.20 ft | on 03-20-2010 | |
| 3. | 971.30 ft | on 04-14-2001 | |
| 4. | 971.20 ft | on 04-16-2023 | (P) |
| 5. | 969.55 ft | on 04-01-2019 |
Gauge Photos
No Images Found
Unique Local Info
Crest history listings have been adjusted to match current NAVD88 datum. (adjusted downward 1.5 feet from original project datum)
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.