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Hydrograph River at a Glance Download
Rock River at Rockton Stage (ft)Flow (kcfs)Highest Observation: 7.14 ft at 12:15AM Apr 22, 2014Observed: 7.13 ft at 12:30AM Apr 22, 2014Observed: 7.13 ft at 12:45AM Apr 22, 2014Highest Observation: 7.14 ft at 1:00AM Apr 22, 2014Observed: 7.13 ft at 1:15AM Apr 22, 2014Observed: 7.13 ft at 1:30AM Apr 22, 2014Observed: 7.13 ft at 1:45AM Apr 22, 2014Observed: 7.13 ft at 2:00AM Apr 22, 2014Observed: 7.12 ft at 2:15AM Apr 22, 2014Observed: 7.13 ft at 2:30AM Apr 22, 2014Observed: 7.12 ft at 2:45AM Apr 22, 2014Observed: 7.11 ft at 3:00AM Apr 22, 2014Observed: 7.1 ft at 3:15AM Apr 22, 2014Observed: 7.1 ft at 3:30AM Apr 22, 2014Observed: 7.1 ft at 3:45AM Apr 22, 2014Observed: 7.11 ft at 4:00AM Apr 22, 2014Observed: 7.1 ft at 4:15AM Apr 22, 2014Observed: 7.09 ft at 4:30AM Apr 22, 2014Observed: 7.09 ft at 4:45AM Apr 22, 2014Observed: 7.08 ft at 5:00AM Apr 22, 2014Observed: 7.08 ft at 5:15AM Apr 22, 2014Observed: 7.08 ft at 5:30AM Apr 22, 2014Observed: 7.07 ft at 5:45AM Apr 22, 2014Observed: 7.07 ft at 6:00AM Apr 22, 2014Observed: 7.06 ft at 6:15AM Apr 22, 2014Observed: 7.06 ft at 6:30AM Apr 22, 2014Observed: 7.05 ft at 6:45AM Apr 22, 2014Observed: 7.05 ft at 7:00AM Apr 22, 2014Observed: 7.05 ft at 7:15AM Apr 22, 2014Observed: 7.06 ft at 7:30AM Apr 22, 2014Observed: 7.05 ft at 7:45AM Apr 22, 2014Observed: 7.05 ft at 8:00AM Apr 22, 2014Observed: 7.04 ft at 8:15AM Apr 22, 2014Observed: 7.05 ft at 8:30AM Apr 22, 2014Observed: 7.05 ft at 8:45AM Apr 22, 2014Observed: 7.05 ft at 9:00AM Apr 22, 2014Observed: 7.05 ft at 9:15AM Apr 22, 2014Observed: 7.06 ft at 9:30AM Apr 22, 2014Observed: 7.05 ft at 9:45AM Apr 22, 2014Observed: 7.05 ft at 10:00AM Apr 22, 2014Observed: 7.05 ft at 10:15AM Apr 22, 2014Observed: 7.04 ft at 10:30AM Apr 22, 2014Observed: 7.03 ft at 10:45AM Apr 22, 2014Observed: 7.04 ft at 11:00AM Apr 22, 2014Observed: 7.03 ft at 11:15AM Apr 22, 2014Observed: 7.04 ft at 11:30AM Apr 22, 2014Observed: 7.02 ft at 11:45AM Apr 22, 2014Observed: 7.02 ft at 12:00PM Apr 22, 2014Observed: 7 ft at 12:15PM Apr 22, 2014Observed: 7 ft at 12:30PM Apr 22, 2014Observed: 7 ft at 12:45PM Apr 22, 2014Observed: 6.99 ft at 1:00PM Apr 22, 2014Observed: 6.98 ft at 1:15PM Apr 22, 2014Observed: 6.98 ft at 1:30PM Apr 22, 2014Observed: 6.97 ft at 1:45PM Apr 22, 2014Observed: 6.97 ft at 2:00PM Apr 22, 2014Observed: 6.97 ft at 2:15PM Apr 22, 2014Observed: 6.96 ft at 2:30PM Apr 22, 2014Observed: 6.98 ft at 2:45PM Apr 22, 2014Observed: 6.97 ft at 3:00PM Apr 22, 2014Observed: 6.97 ft at 3:15PM Apr 22, 2014Observed: 6.97 ft at 3:30PM Apr 22, 2014Observed: 6.97 ft at 3:45PM Apr 22, 2014Observed: 6.98 ft at 4:00PM Apr 22, 2014Observed: 6.98 ft at 4:15PM Apr 22, 2014Observed: 6.99 ft at 4:30PM Apr 22, 2014Observed: 6.98 ft at 4:45PM Apr 22, 2014Observed: 6.98 ft at 5:00PM Apr 22, 2014Observed: 6.99 ft at 5:15PM Apr 22, 2014Observed: 6.99 ft at 5:30PM Apr 22, 2014Observed: 7.01 ft at 5:45PM Apr 22, 2014Observed: 7.01 ft at 6:00PM Apr 22, 2014Observed: 7.01 ft at 6:15PM Apr 22, 2014Observed: 7.02 ft at 6:30PM Apr 22, 2014Observed: 7.03 ft at 6:45PM Apr 22, 2014Observed: 7.02 ft at 7:00PM Apr 22, 2014Observed: 7.01 ft at 7:15PM Apr 22, 2014Observed: 7.02 ft at 7:30PM Apr 22, 2014Observed: 7.01 ft at 7:45PM Apr 22, 2014Observed: 7.01 ft at 8:00PM Apr 22, 2014Observed: 7 ft at 8:15PM Apr 22, 2014Observed: 6.99 ft at 8:30PM Apr 22, 2014Observed: 6.99 ft at 8:45PM Apr 22, 2014Observed: 6.98 ft at 9:00PM Apr 22, 2014Observed: 6.97 ft at 9:15PM Apr 22, 2014Observed: 6.95 ft at 9:30PM Apr 22, 2014Observed: 6.95 ft at 9:45PM Apr 22, 2014Observed: 6.94 ft at 10:00PM Apr 22, 2014Observed: 6.93 ft at 10:15PM Apr 22, 2014Observed: 6.92 ft at 10:30PM Apr 22, 2014Observed: 6.92 ft at 10:45PM Apr 22, 2014Observed: 6.92 ft at 11:00PM Apr 22, 2014Observed: 6.92 ft at 11:15PM Apr 22, 2014Observed: 6.92 ft at 11:30PM Apr 22, 2014Observed: 6.91 ft at 11:45PM Apr 22, 2014Observed: 6.93 ft at 12:00AM Apr 23, 2014Observed: 6.92 ft at 12:15AM Apr 23, 2014Observed: 6.93 ft at 12:30AM Apr 23, 2014Observed: 6.93 ft at 12:45AM Apr 23, 2014Observed: 6.94 ft at 1:00AM Apr 23, 2014Observed: 6.93 ft at 1:15AM Apr 23, 2014Observed: 6.93 ft at 1:30AM Apr 23, 2014Observed: 6.93 ft at 1:45AM Apr 23, 2014Observed: 6.94 ft at 2:00AM Apr 23, 2014Observed: 6.93 ft at 2:15AM Apr 23, 2014Observed: 6.93 ft at 2:30AM Apr 23, 2014Observed: 6.93 ft at 2:45AM Apr 23, 2014Observed: 6.93 ft at 3:00AM Apr 23, 2014Observed: 6.93 ft at 3:15AM Apr 23, 2014Observed: 6.93 ft at 3:30AM Apr 23, 2014Observed: 6.92 ft at 3:45AM Apr 23, 2014Observed: 6.92 ft at 4:00AM Apr 23, 2014Observed: 6.92 ft at 4:15AM Apr 23, 2014Observed: 6.92 ft at 4:30AM Apr 23, 2014Observed: 6.92 ft at 4:45AM Apr 23, 2014Observed: 6.92 ft at 5:00AM Apr 23, 2014Observed: 6.92 ft at 5:15AM Apr 23, 2014Observed: 6.92 ft at 5:30AM Apr 23, 2014Observed: 6.91 ft at 5:45AM Apr 23, 2014Observed: 6.91 ft at 6:00AM Apr 23, 2014Observed: 6.91 ft at 6:15AM Apr 23, 2014Observed: 6.91 ft at 6:30AM Apr 23, 2014Observed: 6.91 ft at 6:45AM Apr 23, 2014Observed: 6.91 ft at 7:00AM Apr 23, 2014Observed: 6.9 ft at 7:15AM Apr 23, 2014Observed: 6.9 ft at 7:30AM Apr 23, 2014Observed: 6.9 ft at 7:45AM Apr 23, 2014Observed: 6.89 ft at 8:00AM Apr 23, 2014Observed: 6.89 ft at 8:15AM Apr 23, 2014Observed: 6.89 ft at 8:30AM Apr 23, 2014Observed: 6.89 ft at 8:45AM Apr 23, 2014Observed: 6.89 ft at 9:00AM Apr 23, 2014Observed: 6.89 ft at 9:15AM Apr 23, 2014Observed: 6.89 ft at 9:30AM Apr 23, 2014Observed: 6.89 ft at 9:45AM Apr 23, 2014Observed: 6.89 ft at 10:00AM Apr 23, 2014Observed: 6.88 ft at 10:15AM Apr 23, 2014Observed: 6.88 ft at 10:30AM Apr 23, 2014Observed: 6.88 ft at 10:45AM Apr 23, 2014Observed: 6.89 ft at 11:00AM Apr 23, 2014Observed: 6.89 ft at 11:15AM Apr 23, 2014Observed: 6.88 ft at 11:30AM Apr 23, 2014Observed: 6.88 ft at 11:45AM Apr 23, 2014Observed: 6.88 ft at 12:00PM Apr 23, 2014Observed: 6.88 ft at 12:15PM Apr 23, 2014Observed: 6.88 ft at 12:30PM Apr 23, 2014Observed: 6.87 ft at 12:45PM Apr 23, 2014Observed: 6.88 ft at 1:00PM Apr 23, 2014Observed: 6.88 ft at 1:15PM Apr 23, 2014Observed: 6.87 ft at 1:30PM Apr 23, 2014Observed: 6.87 ft at 1:45PM Apr 23, 2014Observed: 6.87 ft at 2:00PM Apr 23, 2014Observed: 6.88 ft at 2:15PM Apr 23, 2014Observed: 6.86 ft at 2:30PM Apr 23, 2014Observed: 6.86 ft at 2:45PM Apr 23, 2014Observed: 6.86 ft at 3:00PM Apr 23, 2014Observed: 6.86 ft at 3:15PM Apr 23, 2014Observed: 6.86 ft at 3:30PM Apr 23, 2014Observed: 6.86 ft at 3:45PM Apr 23, 2014Observed: 6.85 ft at 4:00PM Apr 23, 2014Observed: 6.85 ft at 4:15PM Apr 23, 2014Observed: 6.85 ft at 4:30PM Apr 23, 2014Observed: 6.84 ft at 4:45PM Apr 23, 2014Observed: 6.86 ft at 5:00PM Apr 23, 2014Observed: 6.85 ft at 5:15PM Apr 23, 2014Observed: 6.86 ft at 5:30PM Apr 23, 2014Observed: 6.85 ft at 5:45PM Apr 23, 2014Observed: 6.85 ft at 6:00PM Apr 23, 2014Observed: 6.85 ft at 6:15PM Apr 23, 2014Observed: 6.84 ft at 6:30PM Apr 23, 2014Observed: 6.84 ft at 6:45PM Apr 23, 2014Observed: 6.83 ft at 7:00PM Apr 23, 2014Observed: 6.84 ft at 7:15PM Apr 23, 2014Observed: 6.84 ft at 7:30PM Apr 23, 2014Observed: 6.83 ft at 7:45PM Apr 23, 2014Observed: 6.84 ft at 8:00PM Apr 23, 2014Observed: 6.83 ft at 8:15PM Apr 23, 2014Observed: 6.83 ft at 8:30PM Apr 23, 2014Observed: 6.83 ft at 8:45PM Apr 23, 2014Observed: 6.84 ft at 9:00PM Apr 23, 2014Observed: 6.84 ft at 9:15PM Apr 23, 2014Observed: 6.84 ft at 9:30PM Apr 23, 2014Observed: 6.83 ft at 9:45PM Apr 23, 2014Observed: 6.83 ft at 10:00PM Apr 23, 2014Observed: 6.83 ft at 10:15PM Apr 23, 2014Observed: 6.84 ft at 10:30PM Apr 23, 2014Observed: 6.84 ft at 10:45PM Apr 23, 2014Observed: 6.85 ft at 11:00PM Apr 23, 2014Observed: 6.83 ft at 11:15PM Apr 23, 2014Observed: 6.83 ft at 11:30PM Apr 23, 2014Observed: 6.84 ft at 11:45PM Apr 23, 2014Observed: 6.83 ft at 12:00AM Apr 24, 2014Observed: 6.83 ft at 12:15AM Apr 24, 2014Observed: 6.83 ft at 12:30AM Apr 24, 2014Observed: 6.83 ft at 12:45AM Apr 24, 2014Observed: 6.83 ft at 1:00AM Apr 24, 2014Observed: 6.83 ft at 1:15AM Apr 24, 2014Observed: 6.84 ft at 1:30AM Apr 24, 2014Observed: 6.83 ft at 1:45AM Apr 24, 2014Observed: 6.84 ft at 2:00AM Apr 24, 2014Observed: 6.83 ft at 2:15AM Apr 24, 2014Observed: 6.82 ft at 2:30AM Apr 24, 2014Observed: 6.83 ft at 2:45AM Apr 24, 2014Observed: 6.83 ft at 3:00AM Apr 24, 2014Observed: 6.83 ft at 3:15AM Apr 24, 2014Observed: 6.82 ft at 3:30AM Apr 24, 2014Observed: 6.83 ft at 3:45AM Apr 24, 2014Observed: 6.83 ft at 4:00AM Apr 24, 2014Observed: 6.83 ft at 4:15AM Apr 24, 2014Observed: 6.82 ft at 4:30AM Apr 24, 2014Observed: 6.82 ft at 4:45AM Apr 24, 2014Observed: 6.82 ft at 5:00AM Apr 24, 2014Observed: 6.81 ft at 5:15AM Apr 24, 2014Observed: 6.82 ft at 5:30AM Apr 24, 2014Observed: 6.83 ft at 5:45AM Apr 24, 2014Observed: 6.81 ft at 6:00AM Apr 24, 2014Observed: 6.82 ft at 6:15AM Apr 24, 2014Observed: 6.82 ft at 6:30AM Apr 24, 2014Observed: 6.81 ft at 6:45AM Apr 24, 2014Observed: 6.82 ft at 7:00AM Apr 24, 2014Observed: 6.8 ft at 7:15AM Apr 24, 2014Observed: 6.81 ft at 7:30AM Apr 24, 2014Observed: 6.8 ft at 7:45AM Apr 24, 2014Observed: 6.8 ft at 8:00AM Apr 24, 2014Observed: 6.8 ft at 8:15AM Apr 24, 2014Observed: 6.81 ft at 8:30AM Apr 24, 2014Observed: 6.81 ft at 8:45AM Apr 24, 2014Observed: 6.81 ft at 9:00AM Apr 24, 2014Observed: 6.81 ft at 9:15AM Apr 24, 2014Observed: 6.81 ft at 9:30AM Apr 24, 2014Observed: 6.79 ft at 9:45AM Apr 24, 2014Observed: 6.8 ft at 10:00AM Apr 24, 2014Observed: 6.8 ft at 10:15AM Apr 24, 2014Observed: 6.8 ft at 10:30AM Apr 24, 2014Observed: 6.8 ft at 10:45AM Apr 24, 2014Observed: 6.81 ft at 11:00AM Apr 24, 2014Observed: 6.8 ft at 11:15AM Apr 24, 2014Observed: 6.8 ft at 11:30AM Apr 24, 2014Observed: 6.81 ft at 11:45AM Apr 24, 2014Observed: 6.8 ft at 12:00PM Apr 24, 2014Observed: 6.81 ft at 12:15PM Apr 24, 2014Observed: 6.8 ft at 12:30PM Apr 24, 2014Observed: 6.81 ft at 12:45PM Apr 24, 2014Observed: 6.79 ft at 1:00PM Apr 24, 2014Observed: 6.79 ft at 1:15PM Apr 24, 2014Observed: 6.78 ft at 1:30PM Apr 24, 2014Observed: 6.77 ft at 1:45PM Apr 24, 2014Observed: 6.77 ft at 2:00PM Apr 24, 2014Observed: 6.76 ft at 2:15PM Apr 24, 2014Observed: 6.75 ft at 2:30PM Apr 24, 2014Observed: 6.75 ft at 2:45PM Apr 24, 2014Observed: 6.75 ft at 3:00PM Apr 24, 2014Observed: 6.75 ft at 3:15PM Apr 24, 2014Observed: 6.75 ft at 3:30PM Apr 24, 2014Observed: 6.76 ft at 3:45PM Apr 24, 2014Observed: 6.78 ft at 4:00PM Apr 24, 2014Observed: 6.78 ft at 4:15PM Apr 24, 2014Observed: 6.78 ft at 4:30PM Apr 24, 2014Observed: 6.78 ft at 4:45PM Apr 24, 2014Observed: 6.8 ft at 5:00PM Apr 24, 2014Observed: 6.8 ft at 5:15PM Apr 24, 2014Observed: 6.82 ft at 5:30PM Apr 24, 2014Observed: 6.82 ft at 5:45PM Apr 24, 2014Observed: 6.83 ft at 6:00PM Apr 24, 2014Observed: 6.83 ft at 6:15PM Apr 24, 2014Observed: 6.83 ft at 6:30PM Apr 24, 2014Observed: 6.84 ft at 6:45PM Apr 24, 2014Observed: 6.83 ft at 7:00PM Apr 24, 2014Observed: 6.84 ft at 7:15PM Apr 24, 2014Observed: 6.83 ft at 7:30PM Apr 24, 2014Observed: 6.83 ft at 7:45PM Apr 24, 2014Observed: 6.83 ft at 8:00PM Apr 24, 2014Observed: 6.82 ft at 8:15PM Apr 24, 2014Observed: 6.8 ft at 8:30PM Apr 24, 2014Observed: 6.82 ft at 8:45PM Apr 24, 2014Observed: 6.81 ft at 9:00PM Apr 24, 2014Observed: 6.8 ft at 9:15PM Apr 24, 2014Observed: 6.8 ft at 9:30PM Apr 24, 2014Observed: 6.8 ft at 9:45PM Apr 24, 2014Observed: 6.79 ft at 10:00PM Apr 24, 2014Observed: 6.78 ft at 10:15PM Apr 24, 2014Observed: 6.79 ft at 10:30PM Apr 24, 2014Observed: 6.79 ft at 10:45PM Apr 24, 2014Observed: 6.79 ft at 11:00PM Apr 24, 2014Observed: 6.79 ft at 11:15PM Apr 24, 2014Observed: 6.8 ft at 11:30PM Apr 24, 2014USGS--Water Resources of the United StatesROKI2(plotting HGIRG) Graph Created (12:05AM Apr 25, 2014)ObservedLatest observed value: 6.8 ft at 11:30 PM CDT 24-Apr-2014. Flood Stage is 10 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: 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.

NOTE: Forecasts for the Rock River at Rockton are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Afton Upstream Gauge Downstream Gauge Downstream Gauge - at Latham Park
Flood Categories (in feet)
Major Flood Stage:14
Moderate Flood Stage:11
Flood Stage:10
Action Stage:8.5

Historical Crests
(1) 15.54 ft on 03/25/1975
(2) 14.72 ft on 06/17/2008
(3) 14.08 ft on 04/04/1959
(4) 14.08 ft on 03/22/1904
(5) 14.06 ft on 03/30/1916
Show More Historical Crests

Low Water Records
Currently none available.
Zoom Level: 16
Gauge Location
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
13.5 Old River Road west of Roscoe Bridge is inundated.
12 Water begins to flow over low lying roads along the river in Roscoe.
10.5 Water begins to flow over portions of Edgemere Terrace near Roscoe.
10 Water overflows into low lying areas near the river in Rockton.
8.5 Some backyard flooding begins in Machesney Park.
7 Flooding begins in lowest areas of Riverside Park near Roscoe.
Photos
(1) Looking upstream from right bank. Stage 2.80 ft.
(2) Looking downstream from right bank. Stage 2.80 ft.
About This Location Collapse

Latitude: 42.448611° N, Longitude: 89.069722° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 10 ft 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 29 707.94 ft 717.94 ft 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:

Additional Information Collapse
How much forecast precipitation was used for the current river forecast?
USGS Streamflow Duration Hydrograph
How low could the river get?
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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
National Weather Service
Chicago Weather Forecast Office
333 W. University Dr.
Romeoville, IL 60446
(815) 834-1435
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Page last modified: 8-Apr-2014 7:35 AM
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