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Hydrograph River at a Glance Download
Boone Creek near Mchenry Stage (ft)Flow (kcfs)Observed: 1.11 ft at 4:15PM Feb 16, 2020Observed: 1.12 ft at 4:30PM Feb 16, 2020Observed: 1.14 ft at 4:45PM Feb 16, 2020Observed: 1.13 ft at 5:00PM Feb 16, 2020Observed: 1.13 ft at 5:15PM Feb 16, 2020Observed: 1.13 ft at 5:30PM Feb 16, 2020Observed: 1.13 ft at 5:45PM Feb 16, 2020Observed: 1.13 ft at 6:00PM Feb 16, 2020Observed: 1.15 ft at 6:15PM Feb 16, 2020Observed: 1.14 ft at 6:30PM Feb 16, 2020Observed: 1.13 ft at 6:45PM Feb 16, 2020Observed: 1.13 ft at 7:00PM Feb 16, 2020Observed: 1.13 ft at 7:15PM Feb 16, 2020Observed: 1.13 ft at 7:30PM Feb 16, 2020Observed: 1.13 ft at 7:45PM Feb 16, 2020Observed: 1.13 ft at 8:00PM Feb 16, 2020Observed: 1.14 ft at 8:15PM Feb 16, 2020Observed: 1.14 ft at 8:30PM Feb 16, 2020Observed: 1.12 ft at 8:45PM Feb 16, 2020Observed: 1.14 ft at 9:00PM Feb 16, 2020Observed: 1.12 ft at 9:15PM Feb 16, 2020Observed: 1.12 ft at 9:30PM Feb 16, 2020Observed: 1.12 ft at 9:45PM Feb 16, 2020Observed: 1.12 ft at 10:00PM Feb 16, 2020Observed: 1.13 ft at 10:15PM Feb 16, 2020Observed: 1.13 ft at 10:30PM Feb 16, 2020Observed: 1.12 ft at 10:45PM Feb 16, 2020Observed: 1.12 ft at 11:00PM Feb 16, 2020Observed: 1.11 ft at 11:15PM Feb 16, 2020Observed: 1.12 ft at 11:30PM Feb 16, 2020Observed: 1.14 ft at 11:45PM Feb 16, 2020Observed: 1.13 ft at 12:00AM Feb 17, 2020Observed: 1.12 ft at 12:15AM Feb 17, 2020Observed: 1.12 ft at 12:30AM Feb 17, 2020Observed: 1.12 ft at 12:45AM Feb 17, 2020Observed: 1.12 ft at 1:00AM Feb 17, 2020Observed: 1.1 ft at 1:15AM Feb 17, 2020Observed: 1.12 ft at 1:30AM Feb 17, 2020Observed: 1.12 ft at 1:45AM Feb 17, 2020Observed: 1.12 ft at 2:00AM Feb 17, 2020Observed: 1.13 ft at 2:15AM Feb 17, 2020Observed: 1.12 ft at 2:30AM Feb 17, 2020Observed: 1.12 ft at 2:45AM Feb 17, 2020Observed: 1.12 ft at 3:00AM Feb 17, 2020Observed: 1.12 ft at 3:15AM Feb 17, 2020Observed: 1.12 ft at 3:30AM Feb 17, 2020Observed: 1.12 ft at 3:45AM Feb 17, 2020Observed: 1.13 ft at 4:00AM Feb 17, 2020Observed: 1.13 ft at 4:15AM Feb 17, 2020Observed: 1.14 ft at 4:30AM Feb 17, 2020Observed: 1.12 ft at 4:45AM Feb 17, 2020Observed: 1.11 ft at 5:00AM Feb 17, 2020Observed: 1.11 ft at 5:15AM Feb 17, 2020Observed: 1.12 ft at 5:30AM Feb 17, 2020Observed: 1.13 ft at 5:45AM Feb 17, 2020Observed: 1.11 ft at 6:00AM Feb 17, 2020Observed: 1.14 ft at 6:15AM Feb 17, 2020Observed: 1.12 ft at 6:30AM Feb 17, 2020Observed: 1.13 ft at 6:45AM Feb 17, 2020Observed: 1.13 ft at 7:00AM Feb 17, 2020Observed: 1.12 ft at 7:15AM Feb 17, 2020Observed: 1.12 ft at 7:30AM Feb 17, 2020Observed: 1.12 ft at 7:45AM Feb 17, 2020Observed: 1.12 ft at 8:00AM Feb 17, 2020Observed: 1.12 ft at 8:15AM Feb 17, 2020Observed: 1.13 ft at 8:30AM Feb 17, 2020Observed: 1.12 ft at 8:45AM Feb 17, 2020Observed: 1.12 ft at 9:00AM Feb 17, 2020Observed: 1.12 ft at 9:15AM Feb 17, 2020Observed: 1.12 ft at 9:30AM Feb 17, 2020Observed: 1.13 ft at 9:45AM Feb 17, 2020Observed: 1.12 ft at 10:00AM Feb 17, 2020Observed: 1.12 ft at 10:15AM Feb 17, 2020Observed: 1.12 ft at 10:30AM Feb 17, 2020Observed: 1.14 ft at 10:45AM Feb 17, 2020Observed: 1.13 ft at 11:00AM Feb 17, 2020Observed: 1.13 ft at 11:15AM Feb 17, 2020Observed: 1.13 ft at 11:30AM Feb 17, 2020Observed: 1.12 ft at 11:45AM Feb 17, 2020Observed: 1.13 ft at 12:00PM Feb 17, 2020Observed: 1.14 ft at 12:15PM Feb 17, 2020Observed: 1.14 ft at 12:30PM Feb 17, 2020Observed: 1.13 ft at 12:45PM Feb 17, 2020Observed: 1.13 ft at 1:00PM Feb 17, 2020Observed: 1.12 ft at 1:15PM Feb 17, 2020Observed: 1.12 ft at 1:30PM Feb 17, 2020Observed: 1.14 ft at 1:45PM Feb 17, 2020Observed: 1.13 ft at 2:00PM Feb 17, 2020Observed: 1.13 ft at 2:15PM Feb 17, 2020Observed: 1.11 ft at 2:30PM Feb 17, 2020Observed: 1.13 ft at 2:45PM Feb 17, 2020Observed: 1.14 ft at 3:00PM Feb 17, 2020Observed: 1.13 ft at 3:15PM Feb 17, 2020Observed: 1.13 ft at 3:30PM Feb 17, 2020Observed: 1.14 ft at 3:45PM Feb 17, 2020Observed: 1.15 ft at 4:00PM Feb 17, 2020Observed: 1.13 ft at 4:15PM Feb 17, 2020Observed: 1.14 ft at 4:30PM Feb 17, 2020Observed: 1.14 ft at 4:45PM Feb 17, 2020Observed: 1.14 ft at 5:00PM Feb 17, 2020Observed: 1.14 ft at 5:15PM Feb 17, 2020Observed: 1.15 ft at 5:30PM Feb 17, 2020Observed: 1.13 ft at 5:45PM Feb 17, 2020Observed: 1.15 ft at 6:00PM Feb 17, 2020Observed: 1.15 ft at 6:15PM Feb 17, 2020Observed: 1.14 ft at 6:30PM Feb 17, 2020Observed: 1.14 ft at 6:45PM Feb 17, 2020Observed: 1.14 ft at 7:00PM Feb 17, 2020Observed: 1.15 ft at 7:15PM Feb 17, 2020Observed: 1.15 ft at 7:30PM Feb 17, 2020Observed: 1.14 ft at 7:45PM Feb 17, 2020Observed: 1.15 ft at 8:00PM Feb 17, 2020Observed: 1.15 ft at 8:15PM Feb 17, 2020Observed: 1.14 ft at 8:30PM Feb 17, 2020Observed: 1.16 ft at 8:45PM Feb 17, 2020Observed: 1.16 ft at 9:00PM Feb 17, 2020Observed: 1.14 ft at 9:15PM Feb 17, 2020Observed: 1.17 ft at 9:30PM Feb 17, 2020Observed: 1.15 ft at 9:45PM Feb 17, 2020Observed: 1.16 ft at 10:00PM Feb 17, 2020Observed: 1.15 ft at 10:15PM Feb 17, 2020Observed: 1.15 ft at 10:30PM Feb 17, 2020Observed: 1.16 ft at 10:45PM Feb 17, 2020Observed: 1.16 ft at 11:00PM Feb 17, 2020Observed: 1.16 ft at 11:15PM Feb 17, 2020Observed: 1.16 ft at 11:30PM Feb 17, 2020Observed: 1.15 ft at 11:45PM Feb 17, 2020Observed: 1.15 ft at 12:00AM Feb 18, 2020Observed: 1.17 ft at 12:15AM Feb 18, 2020Observed: 1.16 ft at 12:30AM Feb 18, 2020Observed: 1.16 ft at 12:45AM Feb 18, 2020Observed: 1.16 ft at 1:00AM Feb 18, 2020Observed: 1.16 ft at 1:15AM Feb 18, 2020Observed: 1.15 ft at 1:30AM Feb 18, 2020Observed: 1.17 ft at 1:45AM Feb 18, 2020Observed: 1.16 ft at 2:00AM Feb 18, 2020Observed: 1.17 ft at 2:15AM Feb 18, 2020Observed: 1.17 ft at 2:30AM Feb 18, 2020Observed: 1.18 ft at 2:45AM Feb 18, 2020Observed: 1.18 ft at 3:00AM Feb 18, 2020Observed: 1.18 ft at 3:15AM Feb 18, 2020Observed: 1.19 ft at 3:30AM Feb 18, 2020Observed: 1.18 ft at 3:45AM Feb 18, 2020Observed: 1.18 ft at 4:00AM Feb 18, 2020Observed: 1.19 ft at 4:15AM Feb 18, 2020Observed: 1.18 ft at 4:30AM Feb 18, 2020Observed: 1.17 ft at 4:45AM Feb 18, 2020Observed: 1.18 ft at 5:00AM Feb 18, 2020Observed: 1.17 ft at 5:15AM Feb 18, 2020Observed: 1.17 ft at 5:30AM Feb 18, 2020Highest Observation: 1.2 ft at 5:45AM Feb 18, 2020Observed: 1.19 ft at 7:00AM Feb 18, 2020Observed: 1.18 ft at 7:15AM Feb 18, 2020Observed: 1.18 ft at 7:30AM Feb 18, 2020Observed: 1.18 ft at 7:45AM Feb 18, 2020Observed: 1.18 ft at 8:00AM Feb 18, 2020Observed: 1.19 ft at 8:15AM Feb 18, 2020Observed: 1.19 ft at 8:30AM Feb 18, 2020Observed: 1.17 ft at 8:45AM Feb 18, 2020Observed: 1.19 ft at 9:00AM Feb 18, 2020Observed: 1.17 ft at 9:15AM Feb 18, 2020Observed: 1.18 ft at 9:30AM Feb 18, 2020Observed: 1.19 ft at 9:45AM Feb 18, 2020Observed: 1.17 ft at 10:00AM Feb 18, 2020Observed: 1.19 ft at 10:15AM Feb 18, 2020Observed: 1.19 ft at 10:30AM Feb 18, 2020Observed: 1.17 ft at 10:45AM Feb 18, 2020Observed: 1.17 ft at 11:00AM Feb 18, 2020Observed: 1.17 ft at 11:15AM Feb 18, 2020Observed: 1.19 ft at 11:30AM Feb 18, 2020Observed: 1.17 ft at 11:45AM Feb 18, 2020Observed: 1.17 ft at 12:00PM Feb 18, 2020Observed: 1.18 ft at 12:15PM Feb 18, 2020Observed: 1.19 ft at 12:30PM Feb 18, 2020Observed: 1.19 ft at 12:45PM Feb 18, 2020Observed: 1.18 ft at 1:00PM Feb 18, 2020Observed: 1.17 ft at 1:15PM Feb 18, 2020Observed: 1.17 ft at 1:30PM Feb 18, 2020Observed: 1.17 ft at 1:45PM Feb 18, 2020Observed: 1.18 ft at 2:00PM Feb 18, 2020Observed: 1.18 ft at 2:15PM Feb 18, 2020Observed: 1.17 ft at 2:30PM Feb 18, 2020Observed: 1.17 ft at 2:45PM Feb 18, 2020Observed: 1.17 ft at 3:00PM Feb 18, 2020Observed: 1.18 ft at 3:15PM Feb 18, 2020Observed: 1.16 ft at 3:30PM Feb 18, 2020Observed: 1.17 ft at 3:45PM Feb 18, 2020Observed: 1.17 ft at 4:00PM Feb 18, 2020Observed: 1.17 ft at 4:15PM Feb 18, 2020Observed: 1.17 ft at 4:30PM Feb 18, 2020Observed: 1.18 ft at 4:45PM Feb 18, 2020Highest Observation: 1.2 ft at 5:00PM Feb 18, 2020Observed: 1.18 ft at 5:15PM Feb 18, 2020Observed: 1.18 ft at 5:30PM Feb 18, 2020Highest Observation: 1.2 ft at 5:45PM Feb 18, 2020Observed: 1.19 ft at 6:00PM Feb 18, 2020Highest Observation: 1.2 ft at 6:15PM Feb 18, 2020Observed: 1.19 ft at 6:30PM Feb 18, 2020Observed: 1.19 ft at 6:45PM Feb 18, 2020Observed: 1.18 ft at 7:00PM Feb 18, 2020Observed: 1.19 ft at 7:15PM Feb 18, 2020Observed: 1.18 ft at 7:30PM Feb 18, 2020Highest Observation: 1.2 ft at 7:45PM Feb 18, 2020Highest Observation: 1.2 ft at 8:00PM Feb 18, 2020Observed: 1.18 ft at 8:15PM Feb 18, 2020Highest Observation: 1.2 ft at 8:30PM Feb 18, 2020Observed: 1.18 ft at 8:45PM Feb 18, 2020Observed: 1.18 ft at 9:00PM Feb 18, 2020Observed: 1.18 ft at 9:15PM Feb 18, 2020Observed: 1.19 ft at 9:30PM Feb 18, 2020Highest Observation: 1.2 ft at 9:45PM Feb 18, 2020Observed: 1.18 ft at 10:00PM Feb 18, 2020Observed: 1.18 ft at 10:15PM Feb 18, 2020Observed: 1.19 ft at 10:30PM Feb 18, 2020Observed: 1.19 ft at 10:45PM Feb 18, 2020Observed: 1.19 ft at 11:00PM Feb 18, 2020Observed: 1.18 ft at 11:15PM Feb 18, 2020Highest Observation: 1.2 ft at 11:30PM Feb 18, 2020Observed: 1.18 ft at 11:45PM Feb 18, 2020Observed: 1.18 ft at 12:00AM Feb 19, 2020Observed: 1.17 ft at 12:15AM Feb 19, 2020Observed: 1.19 ft at 12:30AM Feb 19, 2020Observed: 1.19 ft at 12:45AM Feb 19, 2020Observed: 1.17 ft at 1:00AM Feb 19, 2020Observed: 1.17 ft at 1:15AM Feb 19, 2020Observed: 1.15 ft at 1:30AM Feb 19, 2020Observed: 1.17 ft at 1:45AM Feb 19, 2020Observed: 1.17 ft at 2:00AM Feb 19, 2020Observed: 1.16 ft at 2:15AM Feb 19, 2020Observed: 1.15 ft at 2:30AM Feb 19, 2020Observed: 1.15 ft at 2:45AM Feb 19, 2020Observed: 1.15 ft at 3:00AM Feb 19, 2020Observed: 1.17 ft at 3:15AM Feb 19, 2020Observed: 1.15 ft at 3:30AM Feb 19, 2020Observed: 1.16 ft at 3:45AM Feb 19, 2020Observed: 1.17 ft at 4:00AM Feb 19, 2020Observed: 1.15 ft at 4:15AM Feb 19, 2020Observed: 1.14 ft at 4:30AM Feb 19, 2020Observed: 1.14 ft at 4:45AM Feb 19, 2020Observed: 1.14 ft at 5:00AM Feb 19, 2020Observed: 1.15 ft at 5:15AM Feb 19, 2020Observed: 1.16 ft at 5:30AM Feb 19, 2020Observed: 1.17 ft at 5:45AM Feb 19, 2020Observed: 1.13 ft at 6:00AM Feb 19, 2020Observed: 1.15 ft at 6:15AM Feb 19, 2020Observed: 1.15 ft at 6:30AM Feb 19, 2020Observed: 1.15 ft at 6:45AM Feb 19, 2020Observed: 1.16 ft at 7:00AM Feb 19, 2020Observed: 1.16 ft at 7:15AM Feb 19, 2020Observed: 1.14 ft at 7:30AM Feb 19, 2020Observed: 1.15 ft at 7:45AM Feb 19, 2020Observed: 1.14 ft at 8:00AM Feb 19, 2020Observed: 1.15 ft at 8:15AM Feb 19, 2020Observed: 1.14 ft at 8:30AM Feb 19, 2020Observed: 1.15 ft at 8:45AM Feb 19, 2020Observed: 1.14 ft at 9:00AM Feb 19, 2020Observed: 1.15 ft at 9:15AM Feb 19, 2020Observed: 1.14 ft at 9:30AM Feb 19, 2020Observed: 1.14 ft at 9:45AM Feb 19, 2020Observed: 1.13 ft at 10:00AM Feb 19, 2020Observed: 1.14 ft at 10:15AM Feb 19, 2020Observed: 1.14 ft at 10:30AM Feb 19, 2020Observed: 1.13 ft at 10:45AM Feb 19, 2020Observed: 1.15 ft at 11:00AM Feb 19, 2020Observed: 1.13 ft at 11:15AM Feb 19, 2020Observed: 1.14 ft at 11:30AM Feb 19, 2020Observed: 1.15 ft at 11:45AM Feb 19, 2020Observed: 1.15 ft at 12:00PM Feb 19, 2020Observed: 1.13 ft at 12:15PM Feb 19, 2020Observed: 1.13 ft at 12:30PM Feb 19, 2020Observed: 1.14 ft at 12:45PM Feb 19, 2020Observed: 1.14 ft at 1:00PM Feb 19, 2020Observed: 1.15 ft at 1:15PM Feb 19, 2020Observed: 1.14 ft at 1:30PM Feb 19, 2020Observed: 1.15 ft at 1:45PM Feb 19, 2020Observed: 1.16 ft at 2:00PM Feb 19, 2020Observed: 1.16 ft at 2:15PM Feb 19, 2020Observed: 1.13 ft at 2:30PM Feb 19, 2020Observed: 1.13 ft at 2:45PM Feb 19, 2020USGS--Water Resources of the United StatesMBNI2(plotting HGIRG) Graph Created (4:09PM Feb 19, 2020)ObservedLatest observed value: 1.13 ft at 2:45 PM CST 19-Feb-2020.
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About this graph
Tabular Data (UTC)
Tabular Data (CST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Graphical forecasts are not available for the Boone Creek near Mchenry. During times of high water, forecast crest information can be found in the text products.
Return to Area Map
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 0
Action Stage: 6
Low Stage (in feet): -9999

Historic Crests
(1) 7.48 ft on 06/26/2013
(2) 5.37 ft on 09/27/1986
(3) 4.87 ft on 06/02/1970
(4) 4.81 ft on 07/22/2017
(5) 4.43 ft on 07/17/2015

(P): Preliminary values subject to further review.

Recent Crests
(1) 4.81 ft on 07/22/2017
(2) 4.43 ft on 07/17/2015
(3) 7.48 ft on 06/26/2013
(4) 5.37 ft on 09/27/1986
(5) 4.87 ft on 06/02/1970

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:14
KML Image
Gauge LocationGauge Map Marker
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
15 Residences may be threatened near the creek and Oakwood Drive in McHenry. Union Pacific Northwest railroad tracks may be threatened in McHenry.
13 IL-120 (Elm Street) may be threatened in McHenry. Oakwood Court and Meadow Lane may be threatened in McHenry.
12 Oakwood Drive may be threatened in McHenry.
10 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 Dartmoor Drive is threatened in McHenry.
7 Trails are threatened at Whispering Oaks Park in McHenry.
6 Water overtops banks near Whispering Oaks Park in McHenry.
4 Water overtops low-lying banks near the gauge southwest of McHenry.
About This Location Collapse

Latitude: 42.320556° N, Longitude: 88.312778° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft Not Available Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

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Hydrologic Resources Additional Resources
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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
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Romeoville, IL 60446
(815) 834-1435
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Page last modified: 4-Mar-2019 11:29 PM
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