Major Flood
1435 ft
Current Water Level
Gage Height
Loading...
Streamflow
Loading...
Last Reading
Loading...
This is an NWS forecast point (LID: MAYI4). Live data may be limited. View on NWS AHPS →
FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
1432 ft
Minor Flood
1430 ft
Action Stage
1428 ft
What Floods at Each Level
1440 ft
The bridges on Tyler Avenue and 240th Street are overtopped.
1439 ft
The bridge on 200th Street is overtopped.
1438 ft
Tyler Avenue begins to flood, and water reaches the bottom of the bridges on Tyler Avenue, and 240th Street. The bridge on White Avenue is overtopped.
1437 ft
Water reaches the bottom of the bridge on 200th Street. County Road L58, 200th Street, and 240th Street begin to flood.
1436 ft
White Avenue begins to flood, and the bridges on 220th Street and County Road M12 are overtopped. Water reaches the bottom of the bridge on White Avenue.
1435 ft
The bridge on Tanager Avenue is overtopped. Van Buren Avenue, 220th Street, Vine Avenue, 250th Street and 260th Street begin to flood.
1433 ft
Water reaches the bottom of the bridges on Tanager Avenue and on County Road M12. Portions of Tanager Avenue and County Road M12 can begin to flood.
1432 ft
Major agricultural flooding begins and water may begin to approach the lowest portions of 220th St.
1430 ft
Significant agricultural flooding begins.
1428 ft
The lowest banks start to overflow with minor lowland flooding. The lowest portions of Vine Ave south of 220th may begin to flood.
1427.5 ft
The low water crossing on 240th begins to flood
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
Loading chart data...
Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Jun 21, 2024 | 1429.31 ft | — |
| Apr 2, 2023 | 1424.21 ft | — |
| Jul 28, 2025 | 1423.44 ft | — |
About This Gauge
NWS LID
MAYI4
River
Ocheyedan River
County
Osceola, IA
Coordinates
43.3280°N, 95.4861°W
Get Flood Alerts for Ocheyedan River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Ocheyedan River near May City?
The Ocheyedan River near May City gauge is maintained by USGS and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Ocheyedan River near May City?
The NWS-defined flood stage for Ocheyedan River near May City is 1430 feet. Action stage begins at 1428 feet. Moderate flooding starts at 1432 feet, and major flooding at 1435 feet.
How do I get alerts when Ocheyedan River rises?
Download StormCast free on Google Play, go to River Gauges, and add Ocheyedan River near May City to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Ocheyedan River near May City gauge located?
The gauge is located in Osceola County, Iowa at coordinates 43.3280°N, 95.4861°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Ocheyedan River
On This River
Downstream: Ocheyedan River near Everly
More Resources
Source & Notes
Data provided by: Observations courtesy of Iowa Flood Center
- No forecasts are available for this location
- Gauge reading may be affected by ice.