Major Flood
9 ft
Current Water Level
Gage Height
Loading...
Streamflow
Loading...
Last Reading
Loading...
This is an NWS forecast point (LID: IMNO3). 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
7 ft
Minor Flood
5.5 ft
Action Stage
5 ft
What Floods at Each Level
5.5 ft
At 5.5 feet low land areas along the river see minor flooding
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 |
|---|---|---|
| Dec 31, 1996 | 11.44 ft | 20,200 cfs |
| Jan 16, 1974 | 7.86 ft | 10,100 cfs |
| Apr 26, 1978 | 7.61 ft | 6,830 cfs |
About This Gauge
NWS LID
IMNO3
River
Imnaha River
County
Wallowa, OR
Coordinates
45.5624°N, 116.8343°W
Get Flood Alerts for Imnaha 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 Imnaha River at Imnaha?
The Imnaha River at Imnaha 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 Imnaha River at Imnaha?
The NWS-defined flood stage for Imnaha River at Imnaha is 5.5 feet. Action stage begins at 5 feet. Moderate flooding starts at 7 feet, and major flooding at 9 feet.
How do I get alerts when Imnaha River rises?
Download StormCast free on Google Play, go to River Gauges, and add Imnaha River at Imnaha 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 Imnaha River at Imnaha gauge located?
The gauge is located in Wallowa County, Oregon at coordinates 45.5624°N, 116.8343°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: US Geological Survey