Major Flood
19 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
17 ft
Minor Flood
14 ft
Action Stage
9 ft
What Floods at Each Level
18 ft
Flooding occurs west of the river to Union St and east to Elm St.
16 ft
Flooding occurs along both river banks in the east part of town.
14 ft
Water affects some residential areas near the river in Webster City.
12 ft
Widespread agricultural land flooding occurs.
11 ft
Water affects low-lying areas in close proximity to the river.
10.5 ft
Water crosses the city walking path just south of the 2nd St bridge and also over the walkway just north of the Bank St bridge.
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 9, 1918 | 19.1 ft | 21,500 cfs |
| Jun 21, 1954 | 18.55 ft | 20,300 cfs |
| Jun 27, 2010 | 18.17 ft | 20,700 cfs |
About This Gauge
Get Flood Alerts for Boone 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 Boone River near Webster City?
The Boone River near Webster City gauge is maintained by USGS (site 05481000) 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 Boone River near Webster City?
The NWS-defined flood stage for Boone River near Webster City is 14 feet. Action stage begins at 9 feet. Moderate flooding starts at 17 feet, and major flooding at 19 feet.
How do I get alerts when Boone River rises?
Download StormCast free on Google Play, go to River Gauges, and add Boone River near Webster 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 Boone River near Webster City gauge located?
The gauge is located in Hamilton County, Iowa at coordinates 42.4320°N, 93.8059°W. USGS site number: 05481000. Data is provided by the U.S. Geological Survey and the National Weather Service.
On This River
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Source & Notes
Data provided by: Observations courtesy of U.S. Geological Survey