Major Flood
1271 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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This is an NWS forecast point (LID: OYEI4). 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
1269 ft
Minor Flood
1266 ft
Action Stage
1264 ft
What Floods at Each Level
1276 ft
K64 begins to flood and nearby structures may be in danger of flooding.
1274 ft
C16 begins to flood, and water reaches the bottom of the bridge on K64.
1272 ft
150th St bridge begins to be overtopped.
1271 ft
Pioneer Avenue floods, the levees near 150th Street and Marble Avenue are overtopped, and water reaches the bottom of the bridge on C16.
1269 ft
Major agricultural flooding begins, the Willow Creek campground sees additional flooding, and water reaches the bottom of the bridge on Pioneer Avenue.
1267 ft
Water reaches the bottom of the bridge on 140th Street. The Oyens shooting range may also be flooded.
1266 ft
Significant agricultural flooding begins, and the park and golf course on the northeast edge of Le Mars begin to flood. The lowest portions of the road near 150th and Noble Ave also may begin to flood.
1265 ft
The lowest portions of Willow Creek Campground in Le Mars may begin to flood.
1264 ft
Minor lowland flooding begins.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Jun 21, 2024 | 1266.94 ft | — |
| Jul 29, 2025 | 1264.5 ft | — |
| Feb 28, 2023 | 1257.25 ft | — |
About This Gauge
NWS LID
OYEI4
River
Willow Creek (NW IA)
County
Plymouth, IA
Coordinates
42.8623°N, 96.0560°W
Get Flood Alerts for Willow Creek (NW IA)
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 Willow Creek (NW IA) near Oyens?
The Willow Creek (NW IA) near Oyens 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 Willow Creek (NW IA) near Oyens?
The NWS-defined flood stage for Willow Creek (NW IA) near Oyens is 1266 feet. Action stage begins at 1264 feet. Moderate flooding starts at 1269 feet, and major flooding at 1271 feet.
How do I get alerts when Willow Creek (NW IA) rises?
Download StormCast free on Google Play, go to River Gauges, and add Willow Creek (NW IA) near Oyens 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 Willow Creek (NW IA) near Oyens gauge located?
The gauge is located in Plymouth County, Iowa at coordinates 42.8623°N, 96.0560°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
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.