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Weather Forecast Office Quad Cities, IA North Central River Forecast Center
Hydrograph River at a Glance Download Weekly Chance of
Exceeding Levels		 Chance of Exceeding Levels
During Entire Period
Rock River near Joslin Stage (ft)Flow (kcfs)Observed: 9.64 ft at 3:30PM May 22, 2013Highest Observation: 9.67 ft at 3:45PM May 22, 2013Observed: 9.66 ft at 4:00PM May 22, 2013Observed: 9.64 ft at 4:15PM May 22, 2013Observed: 9.65 ft at 4:30PM May 22, 2013Observed: 9.64 ft at 4:45PM May 22, 2013Observed: 9.64 ft at 5:00PM May 22, 2013Observed: 9.63 ft at 5:15PM May 22, 2013Observed: 9.64 ft at 5:30PM May 22, 2013Observed: 9.65 ft at 5:45PM May 22, 2013Observed: 9.62 ft at 6:00PM May 22, 2013Observed: 9.62 ft at 6:15PM May 22, 2013Observed: 9.62 ft at 6:30PM May 22, 2013Observed: 9.62 ft at 6:45PM May 22, 2013Observed: 9.61 ft at 7:00PM May 22, 2013Observed: 9.62 ft at 7:15PM May 22, 2013Observed: 9.62 ft at 7:30PM May 22, 2013Observed: 9.61 ft at 7:45PM May 22, 2013Observed: 9.59 ft at 8:00PM May 22, 2013Observed: 9.62 ft at 8:15PM May 22, 2013Observed: 9.61 ft at 8:30PM May 22, 2013Observed: 9.61 ft at 8:45PM May 22, 2013Observed: 9.61 ft at 9:00PM May 22, 2013Observed: 9.58 ft at 9:15PM May 22, 2013Observed: 9.58 ft at 9:30PM May 22, 2013Observed: 9.57 ft at 9:45PM May 22, 2013Observed: 9.57 ft at 10:00PM May 22, 2013Observed: 9.58 ft at 10:15PM May 22, 2013Observed: 9.58 ft at 10:30PM May 22, 2013Observed: 9.58 ft at 10:45PM May 22, 2013Observed: 9.55 ft at 11:00PM May 22, 2013Observed: 9.55 ft at 11:15PM May 22, 2013Observed: 9.56 ft at 11:30PM May 22, 2013Observed: 9.55 ft at 11:45PM May 22, 2013Observed: 9.56 ft at 12:00AM May 23, 2013Observed: 9.55 ft at 12:15AM May 23, 2013Observed: 9.55 ft at 12:30AM May 23, 2013Observed: 9.54 ft at 12:45AM May 23, 2013Observed: 9.53 ft at 1:00AM May 23, 2013Observed: 9.54 ft at 1:15AM May 23, 2013Observed: 9.54 ft at 1:30AM May 23, 2013Observed: 9.52 ft at 1:45AM May 23, 2013Observed: 9.52 ft at 2:00AM May 23, 2013Observed: 9.51 ft at 2:15AM May 23, 2013Observed: 9.51 ft at 2:30AM May 23, 2013Observed: 9.52 ft at 2:45AM May 23, 2013Observed: 9.5 ft at 3:00AM May 23, 2013Observed: 9.49 ft at 3:15AM May 23, 2013Observed: 9.5 ft at 3:30AM May 23, 2013Observed: 9.5 ft at 3:45AM May 23, 2013Observed: 9.5 ft at 4:00AM May 23, 2013Observed: 9.48 ft at 4:15AM May 23, 2013Observed: 9.49 ft at 4:30AM May 23, 2013Observed: 9.49 ft at 4:45AM May 23, 2013Observed: 9.49 ft at 5:00AM May 23, 2013Observed: 9.48 ft at 5:15AM May 23, 2013Observed: 9.48 ft at 5:30AM May 23, 2013Observed: 9.5 ft at 5:45AM May 23, 2013Observed: 9.48 ft at 6:00AM May 23, 2013Observed: 9.49 ft at 6:15AM May 23, 2013Observed: 9.47 ft at 6:30AM May 23, 2013Observed: 9.48 ft at 6:45AM May 23, 2013Observed: 9.47 ft at 7:00AM May 23, 2013Observed: 9.48 ft at 7:15AM May 23, 2013Observed: 9.48 ft at 7:30AM May 23, 2013Observed: 9.47 ft at 7:45AM May 23, 2013Observed: 9.46 ft at 8:00AM May 23, 2013Observed: 9.49 ft at 8:15AM May 23, 2013Observed: 9.48 ft at 8:30AM May 23, 2013Observed: 9.47 ft at 8:45AM May 23, 2013Observed: 9.47 ft at 9:00AM May 23, 2013Observed: 9.47 ft at 9:15AM May 23, 2013Observed: 9.47 ft at 9:30AM May 23, 2013Observed: 9.48 ft at 9:45AM May 23, 2013Observed: 9.47 ft at 10:00AM May 23, 2013Observed: 9.47 ft at 10:15AM May 23, 2013Observed: 9.46 ft at 10:30AM May 23, 2013Observed: 9.47 ft at 10:45AM May 23, 2013Observed: 9.46 ft at 11:00AM May 23, 2013Observed: 9.47 ft at 11:15AM May 23, 2013Observed: 9.47 ft at 11:30AM May 23, 2013Observed: 9.43 ft at 11:45AM May 23, 2013Observed: 9.45 ft at 12:00PM May 23, 2013Observed: 9.46 ft at 12:15PM May 23, 2013Observed: 9.46 ft at 12:30PM May 23, 2013Observed: 9.46 ft at 12:45PM May 23, 2013Observed: 9.46 ft at 1:00PM May 23, 2013Observed: 9.45 ft at 1:15PM May 23, 2013Observed: 9.45 ft at 1:30PM May 23, 2013Observed: 9.43 ft at 1:45PM May 23, 2013Observed: 9.46 ft at 2:00PM May 23, 2013Observed: 9.45 ft at 2:15PM May 23, 2013Observed: 9.46 ft at 2:30PM May 23, 2013Observed: 9.43 ft at 2:45PM May 23, 2013Observed: 9.45 ft at 3:00PM May 23, 2013Observed: 9.44 ft at 3:15PM May 23, 2013Observed: 9.44 ft at 3:30PM May 23, 2013Observed: 9.44 ft at 3:45PM May 23, 2013Observed: 9.44 ft at 4:00PM May 23, 2013Observed: 9.44 ft at 4:15PM May 23, 2013Observed: 9.43 ft at 4:30PM May 23, 2013Observed: 9.41 ft at 4:45PM May 23, 2013Observed: 9.44 ft at 5:00PM May 23, 2013Observed: 9.44 ft at 5:15PM May 23, 2013Observed: 9.43 ft at 5:30PM May 23, 2013Observed: 9.43 ft at 5:45PM May 23, 2013Observed: 9.45 ft at 6:00PM May 23, 2013Observed: 9.45 ft at 6:15PM May 23, 2013Observed: 9.42 ft at 6:30PM May 23, 2013Observed: 9.43 ft at 6:45PM May 23, 2013Observed: 9.43 ft at 7:00PM May 23, 2013Observed: 9.43 ft at 7:15PM May 23, 2013Observed: 9.44 ft at 7:30PM May 23, 2013Observed: 9.45 ft at 7:45PM May 23, 2013Observed: 9.42 ft at 8:00PM May 23, 2013Observed: 9.42 ft at 8:15PM May 23, 2013Observed: 9.43 ft at 8:30PM May 23, 2013Observed: 9.42 ft at 8:45PM May 23, 2013Observed: 9.42 ft at 9:00PM May 23, 2013Observed: 9.41 ft at 9:15PM May 23, 2013Observed: 9.42 ft at 9:30PM May 23, 2013Observed: 9.41 ft at 9:45PM May 23, 2013Observed: 9.41 ft at 10:00PM May 23, 2013Observed: 9.42 ft at 10:15PM May 23, 2013Observed: 9.41 ft at 10:30PM May 23, 2013Observed: 9.39 ft at 10:45PM May 23, 2013Observed: 9.39 ft at 11:00PM May 23, 2013Observed: 9.38 ft at 11:15PM May 23, 2013Observed: 9.4 ft at 11:30PM May 23, 2013Observed: 9.4 ft at 11:45PM May 23, 2013Observed: 9.4 ft at 12:00AM May 24, 2013Observed: 9.4 ft at 12:15AM May 24, 2013Observed: 9.41 ft at 12:30AM May 24, 2013Observed: 9.4 ft at 12:45AM May 24, 2013Observed: 9.39 ft at 1:00AM May 24, 2013Observed: 9.4 ft at 1:15AM May 24, 2013Observed: 9.39 ft at 1:30AM May 24, 2013Observed: 9.38 ft at 1:45AM May 24, 2013Observed: 9.4 ft at 2:00AM May 24, 2013Observed: 9.4 ft at 2:15AM May 24, 2013Observed: 9.4 ft at 2:30AM May 24, 2013Observed: 9.39 ft at 2:45AM May 24, 2013Observed: 9.4 ft at 3:00AM May 24, 2013Observed: 9.4 ft at 3:15AM May 24, 2013Observed: 9.4 ft at 3:30AM May 24, 2013Observed: 9.4 ft at 3:45AM May 24, 2013Observed: 9.41 ft at 4:00AM May 24, 2013Observed: 9.4 ft at 4:15AM May 24, 2013Observed: 9.4 ft at 4:30AM May 24, 2013Observed: 9.4 ft at 4:45AM May 24, 2013Observed: 9.39 ft at 5:00AM May 24, 2013Observed: 9.39 ft at 5:15AM May 24, 2013Observed: 9.39 ft at 5:30AM May 24, 2013Observed: 9.39 ft at 5:45AM May 24, 2013Observed: 9.39 ft at 6:00AM May 24, 2013Observed: 9.39 ft at 6:15AM May 24, 2013Observed: 9.38 ft at 6:30AM May 24, 2013Observed: 9.39 ft at 6:45AM May 24, 2013Observed: 9.38 ft at 7:00AM May 24, 2013Observed: 9.38 ft at 7:15AM May 24, 2013Observed: 9.38 ft at 7:30AM May 24, 2013Observed: 9.38 ft at 7:45AM May 24, 2013Observed: 9.39 ft at 8:00AM May 24, 2013Observed: 9.38 ft at 8:15AM May 24, 2013Observed: 9.38 ft at 8:30AM May 24, 2013Observed: 9.37 ft at 8:45AM May 24, 2013Observed: 9.38 ft at 9:00AM May 24, 2013Observed: 9.38 ft at 9:15AM May 24, 2013Observed: 9.38 ft at 9:30AM May 24, 2013Observed: 9.38 ft at 9:45AM May 24, 2013Observed: 9.37 ft at 10:00AM May 24, 2013Observed: 9.37 ft at 10:15AM May 24, 2013Observed: 9.37 ft at 10:30AM May 24, 2013Observed: 9.38 ft at 10:45AM May 24, 2013Observed: 9.37 ft at 11:00AM May 24, 2013Observed: 9.38 ft at 11:15AM May 24, 2013Observed: 9.38 ft at 11:30AM May 24, 2013Observed: 9.37 ft at 11:45AM May 24, 2013Observed: 9.38 ft at 12:00PM May 24, 2013Observed: 9.37 ft at 12:15PM May 24, 2013Observed: 9.36 ft at 12:30PM May 24, 2013Observed: 9.35 ft at 12:45PM May 24, 2013Observed: 9.36 ft at 1:00PM May 24, 2013Observed: 9.35 ft at 1:15PM May 24, 2013Observed: 9.36 ft at 1:30PM May 24, 2013Observed: 9.36 ft at 1:45PM May 24, 2013Observed: 9.36 ft at 2:00PM May 24, 2013Observed: 9.36 ft at 2:15PM May 24, 2013Observed: 9.36 ft at 2:30PM May 24, 2013Observed: 9.36 ft at 2:45PM May 24, 2013Observed: 9.35 ft at 3:00PM May 24, 2013Observed: 9.34 ft at 3:15PM May 24, 2013Observed: 9.34 ft at 3:30PM May 24, 2013Observed: 9.34 ft at 3:45PM May 24, 2013Observed: 9.34 ft at 4:00PM May 24, 2013Observed: 9.34 ft at 4:15PM May 24, 2013Observed: 9.34 ft at 4:30PM May 24, 2013Observed: 9.34 ft at 4:45PM May 24, 2013Observed: 9.33 ft at 5:00PM May 24, 2013Observed: 9.33 ft at 5:15PM May 24, 2013Observed: 9.32 ft at 5:30PM May 24, 2013Observed: 9.31 ft at 5:45PM May 24, 2013Observed: 9.32 ft at 6:00PM May 24, 2013Observed: 9.31 ft at 6:15PM May 24, 2013Observed: 9.31 ft at 6:30PM May 24, 2013Observed: 9.3 ft at 6:45PM May 24, 2013Observed: 9.3 ft at 7:00PM May 24, 2013Observed: 9.28 ft at 7:15PM May 24, 2013Observed: 9.29 ft at 7:30PM May 24, 2013Observed: 9.28 ft at 7:45PM May 24, 2013Observed: 9.28 ft at 8:00PM May 24, 2013Observed: 9.27 ft at 8:15PM May 24, 2013Observed: 9.27 ft at 8:30PM May 24, 2013Observed: 9.26 ft at 8:45PM May 24, 2013Observed: 9.26 ft at 9:00PM May 24, 2013Observed: 9.23 ft at 9:15PM May 24, 2013Observed: 9.25 ft at 9:30PM May 24, 2013Observed: 9.23 ft at 9:45PM May 24, 2013Observed: 9.23 ft at 10:00PM May 24, 2013Observed: 9.22 ft at 10:15PM May 24, 2013Observed: 9.23 ft at 10:30PM May 24, 2013Observed: 9.22 ft at 10:45PM May 24, 2013Observed: 9.2 ft at 11:00PM May 24, 2013Observed: 9.21 ft at 11:15PM May 24, 2013Observed: 9.2 ft at 11:30PM May 24, 2013Observed: 9.2 ft at 11:45PM May 24, 2013Observed: 9.2 ft at 12:00AM May 25, 2013Observed: 9.18 ft at 12:15AM May 25, 2013Observed: 9.19 ft at 12:30AM May 25, 2013Observed: 9.2 ft at 12:45AM May 25, 2013Observed: 9.19 ft at 1:00AM May 25, 2013Observed: 9.18 ft at 1:15AM May 25, 2013Observed: 9.18 ft at 1:30AM May 25, 2013Observed: 9.18 ft at 1:45AM May 25, 2013Observed: 9.17 ft at 2:00AM May 25, 2013Observed: 9.18 ft at 2:15AM May 25, 2013Observed: 9.18 ft at 2:30AM May 25, 2013Observed: 9.17 ft at 2:45AM May 25, 2013Observed: 9.19 ft at 3:00AM May 25, 2013Observed: 9.18 ft at 3:15AM May 25, 2013Observed: 9.17 ft at 3:30AM May 25, 2013Observed: 9.18 ft at 3:45AM May 25, 2013Observed: 9.18 ft at 4:00AM May 25, 2013Observed: 9.18 ft at 4:15AM May 25, 2013Observed: 9.19 ft at 4:30AM May 25, 2013Observed: 9.19 ft at 4:45AM May 25, 2013Observed: 9.19 ft at 5:00AM May 25, 2013Observed: 9.2 ft at 5:15AM May 25, 2013Observed: 9.2 ft at 5:30AM May 25, 2013Observed: 9.21 ft at 5:45AM May 25, 2013Observed: 9.21 ft at 6:00AM May 25, 2013Observed: 9.21 ft at 6:15AM May 25, 2013Observed: 9.22 ft at 6:30AM May 25, 2013Observed: 9.21 ft at 6:45AM May 25, 2013Observed: 9.19 ft at 7:00AM May 25, 2013Observed: 9.22 ft at 7:15AM May 25, 2013Observed: 9.2 ft at 7:30AM May 25, 2013Observed: 9.22 ft at 7:45AM May 25, 2013Observed: 9.22 ft at 8:00AM May 25, 2013Observed: 9.21 ft at 8:15AM May 25, 2013Observed: 9.22 ft at 8:30AM May 25, 2013Observed: 9.22 ft at 8:45AM May 25, 2013Observed: 9.21 ft at 9:00AM May 25, 2013Observed: 9.23 ft at 9:15AM May 25, 2013Observed: 9.23 ft at 9:30AM May 25, 2013Observed: 9.23 ft at 9:45AM May 25, 2013Observed: 9.22 ft at 10:00AM May 25, 2013Observed: 9.24 ft at 10:15AM May 25, 2013Observed: 9.24 ft at 10:30AM May 25, 2013Observed: 9.24 ft at 10:45AM May 25, 2013Observed: 9.24 ft at 11:00AM May 25, 2013Observed: 9.26 ft at 11:15AM May 25, 2013Observed: 9.25 ft at 11:30AM May 25, 2013Observed: 9.25 ft at 11:45AM May 25, 2013Observed: 9.26 ft at 12:00PM May 25, 2013Observed: 9.25 ft at 12:15PM May 25, 2013Observed: 9.27 ft at 12:30PM May 25, 2013Observed: 9.26 ft at 12:45PM May 25, 2013Observed: 9.25 ft at 1:00PM May 25, 2013Observed: 9.27 ft at 1:15PM May 25, 2013Observed: 9.28 ft at 1:30PM May 25, 2013Observed: 9.28 ft at 1:45PM May 25, 2013Observed: 9.28 ft at 2:00PM May 25, 2013Observed: 9.27 ft at 2:15PM May 25, 2013Observed: 9.28 ft at 2:30PM May 25, 2013Highest Forecast: 9.26 ft 7:00PM May 25, 2013Forecast: 9.1 ft 1:00AM May 26, 2013Forecast: 9.1 ft 7:00AM May 26, 2013Forecast: 9.1 ft 1:00PM May 26, 2013Forecast: 9.1 ft 7:00PM May 26, 2013Forecast: 9 ft 1:00AM May 27, 2013Forecast: 9 ft 7:00AM May 27, 2013Forecast: 9 ft 1:00PM May 27, 2013Forecast: 9 ft 7:00PM May 27, 2013Forecast: 9 ft 1:00AM May 28, 2013Forecast: 9 ft 7:00AM May 28, 2013Forecast: 9 ft 1:00PM May 28, 2013Forecast: 8.9 ft 7:00PM May 28, 2013Forecast: 8.9 ft 1:00AM May 29, 2013Forecast: 8.9 ft 7:00AM May 29, 2013Forecast: 8.9 ft 1:00PM May 29, 2013Forecast: 8.9 ft 7:00PM May 29, 2013Forecast: 8.9 ft 1:00AM May 30, 2013Forecast: 8.9 ft 7:00AM May 30, 2013Forecast: 8.8 ft 1:00PM May 30, 2013Forecast: 8.8 ft 7:00PM May 30, 2013Forecast: 8.8 ft 1:00AM May 31, 2013Forecast: 8.8 ft 7:00AM May 31, 2013Forecast: 8.8 ft 1:00PM May 31, 2013Forecast: 8.8 ft 7:00PM May 31, 2013Forecast: 8.7 ft 1:00AM Jun 01, 2013Forecast: 8.7 ft 7:00AM Jun 01, 2013U.S. Geological SurveyJOSI2(plotting HGIRG) Graph Created (3:21PM May 25, 2013)ObservedForecast (issued 1:10PM May 25)Latest observed value: 9.28 ft at 2:30 PM CDT 25-May-2013. Flood Stage is 12 ft
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About this graph
Tabular Data
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 near Joslin are issued as needed during times of high water, but are not routinely available.

Return to Area Map
Upstream Gauge - at Como Upstream Gauge Downstream Gauge Downstream Gauge - at Moline
Flood Categories (in feet)
Major Flood Stage:16.5
Moderate Flood Stage:14
Flood Stage:12
Action Stage:11

Historical Crests
(1) 19.24 ft on 06/07/2002
(2) 18.88 ft on 02/23/1997
(3) 18.73 ft on 05/31/1996
(4) 18.55 ft on 06/16/2000
(5) 18.35 ft on 03/26/1993
(6) 18.02 ft on 02/27/2001
(7) 18.01 ft on 02/22/1994
(8) 17.81 ft on 03/22/1979
(9) 17.74 ft on 04/23/1973
(10) 17.69 ft on 02/23/1971
Show More Historical Crests

Low Water Records
Currently none available.
Legend
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
21 Water affects most of Hillsdale and much of Erie. Water also reaches the bottom of the Illinois Highway 92 bridge at Joslin.
20 Water affects several homes in Erie and affects the railroad tracks east of town.
19.5 Water affects much of Barstow Road between Barstow and Illinois Highway 5.
19.2 Water affects Barstow Road between Barstow and Illinois Highway 5.
19 Water affects several homes in Hillsdale on Docia Street and on the county road south of town. Water also affects most houses in Osborn.
18.5 Water affects the lowest sections of Moline Road east of Erie...as well as River Road.
18.39 Water affects Osborn Road at Osborn.
18.3 Water affects the railroad tracks near Osborn.
18 Water reaches the top of the Zuma Creek levee upstream of Barstow. Water also affects a few homes in Erie and Moline Road east of town. Water affects a few homes on Docia Street in Hillsdale and on the county road south of town. Water also affects a few homes in Shady Beach.
17.7 Water affects the railroad tracks south of Prophetstown.
17.5 Water is across Broadway at Jackson Street in Cleveland.
16.5 Water affects the lowest sections of Broadway and Main Street in Cleveland and affects a few homes.
16 Water affects much of Barstow Road between Barstow and Osborn. Water also affects homes in Osborn.
15 Water affects residences in the Thompson addition.
14 Water affects residences in outlying areas immediately along the river...including basements...yards...driveways and access roads.
13.7 Water affects Barstow Road between Barstow and Osborn.
13 Flooding of unprotected agricultural land occurs. Water also affects Lundeens Landing Campground.
12.5 Water affects some summer cottages along the river.
12 Water affects low lying agricultural land.
About This Location Collapse

Latitude: 41.556111° N, Longitude: 90.185277° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 12 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 29 564.06 ft 576.06 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Other Data Sources:
Additional Information Collapse
How low could the river get?
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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
Quad Cities Weather Forecast Office
9050 Harrison Street
Davenport, IA 52806-7326
(563) 386-3976
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Page last modified: 13-Mar-2013 6:27 PM 		Disclaimer
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