Major Flood
35 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
30.5 ft
Minor Flood
27 ft
Action Stage
21 ft
What Floods at Each Level
38 ft
Some homes on Bridge Street experience several feet of water on their first floor.
35 ft
Flood water threatens apartments near the river. Evacuation of residents may be necessary.
34 ft
Businesses on Bridge Street begin to flood.
30.5 ft
Bridge Street, Main Street, State Route DD, and State Route F begin to flood.
Impact statements from the National Weather Service, describing what typically happens at each water level.
Low-Water Impacts
11.7
River nears zero flow.
What happens as water levels drop, per the National Weather Service.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Jul 19, 1965 | 46.49 ft | — |
| May 17, 1974 | 39.72 ft | — |
| May 31, 1947 | 37.38 ft | — |
About This Gauge
USGS Site
NWS LID
SMHM7
River
Little Platte River
County
Clay, MO
Coordinates
39.3881°N, 94.5789°W
Get Flood Alerts for Little Platte 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 Little Platte River at Smithville?
The Little Platte River at Smithville gauge is maintained by USGS (site 06821150) 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 Little Platte River at Smithville?
The NWS-defined flood stage for Little Platte River at Smithville is 27 feet. Action stage begins at 21 feet. Moderate flooding starts at 30.5 feet, and major flooding at 35 feet.
How do I get alerts when Little Platte River rises?
Download StormCast free on Google Play, go to River Gauges, and add Little Platte River at Smithville 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 Little Platte River at Smithville gauge located?
The gauge is located in Clay County, Missouri at coordinates 39.3881°N, 94.5789°W. USGS site number: 06821150. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- Stage may be affected by ice.
- 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.
- 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.