Major Flood
25 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: MOAM7). 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
22 ft
Minor Flood
19 ft
Action Stage
17 ft
What Floods at Each Level
28.5 ft
A multi-story home across the river and downstream from the gage will begin flooding near this height.
27 ft
Numerous campsites, garages, and sheds on both sides of the river become flooded near this height.
25.4 ft
A house directly across the river from the gage begins flooding near this height.
25 ft
Across the Maries River from the gage, considerable cropland becomes inundated. This flooding probably begins between 20 and 23 feet.
24 ft
A storage shed across the river and downstream of the gage begins flooding near this height. Also, lower driveways across the river begin flooding near this height.
22 ft
A storage shed across the river from the gage begins flooding near this height.
20 ft
Near this stage the lowest two campsites at Mari-Osa campground begin flooding.
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 |
|---|---|---|
| Dec 29, 2015 | 30.3 ft | — |
| Jun 6, 2019 | 30.2 ft | — |
| May 4, 2017 | 27.9 ft | — |
About This Gauge
NWS LID
MOAM7
River
Osage River
County
Osage, MO
Coordinates
38.4939°N, 92.0069°W
Get Flood Alerts for Osage 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 Osage River at Mari-Osa Campground?
The Osage River at Mari-Osa Campground 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 Osage River at Mari-Osa Campground?
The NWS-defined flood stage for Osage River at Mari-Osa Campground is 19 feet. Action stage begins at 17 feet. Moderate flooding starts at 22 feet, and major flooding at 25 feet.
How do I get alerts when Osage River rises?
Download StormCast free on Google Play, go to River Gauges, and add Osage River at Mari-Osa Campground 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 Osage River at Mari-Osa Campground gauge located?
The gauge is located in Osage County, Missouri at coordinates 38.4939°N, 92.0069°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Osage River
On This River
Upstream: Osage River near St. Thomas
More Resources
Source & Notes
- 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.
- 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.