Major Flood
11 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
9 ft
Minor Flood
7 ft
Action Stage
6 ft
What Floods at Each Level
15 ft
Residences may be threatened near the creek and Oakwood Drive in McHenry. Union Pacific Northwest railroad tracks may be threatened in McHenry.
13 ft
IL-120 (Elm Street) may be threatened in McHenry. Oakwood Court and Meadow Lane may be threatened in McHenry.
12 ft
Oakwood Drive may be threatened in McHenry.
10 ft
Commercial structures may be threatened off IL-120 (Elm Street) in McHenry. Numerous residences may be threatened near the creek along Millstream Drive, Grand Avenue, and Clearbrook Drive in McHenry. Bull Valley Road is threatened southwest of McHenry.
8 ft
Dartmoor Drive is threatened in McHenry.
7 ft
Trails are threatened at Whispering Oaks Park in McHenry.
6 ft
Water overtops banks near Whispering Oaks Park in McHenry.
4 ft
Water overtops low-lying banks near the gauge southwest of McHenry.
Impact statements from the National Weather Service, describing what typically happens at each water level.
Low-Water Impacts
0.5
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 |
|---|---|---|
| Jun 25, 2013 | 7.48 ft | 773 cfs |
| Sep 11, 2019 | 5.68 ft | 412 cfs |
| Sep 26, 1986 | 5.37 ft | 345 cfs |
About This Gauge
Get Flood Alerts for Boone Creek
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 Creek near Mchenry?
The Boone Creek near Mchenry gauge is maintained by USGS (site 05549000) 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 Creek near Mchenry?
The NWS-defined flood stage for Boone Creek near Mchenry is 7 feet. Action stage begins at 6 feet. Moderate flooding starts at 9 feet, and major flooding at 11 feet.
How do I get alerts when Boone Creek rises?
Download StormCast free on Google Play, go to River Gauges, and add Boone Creek near Mchenry 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 Creek near Mchenry gauge located?
The gauge is located in McHenry County, Illinois at coordinates 42.3206°N, 88.3128°W. USGS site number: 05549000. 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