Major Flood
20 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
18 ft
Minor Flood
16 ft
Action Stage
13 ft
What Floods at Each Level
23 ft
Numerous residences threatened along Willet Avenue and Lincoln Avenue. Hennepin Avenue threatened at Boyd Street. Dixon High School threatened.
22 ft
River Road (IL-2) inundated east of Dixon. Water reaches the bottom of the Peoria Avenue bridge in Dixon.
21 ft
Structures threatened near 1st Street in Dixon. Residences threatened along Willet Avenue west of Dixon.
20 ft
Athletic fields inundated at Dixon High School. Parking lot threatened at KSB Hospital in Dixon.
19 ft
River Street threatened in Dixon.
17.5 ft
Flooding affects basement of Dixon High School.
16.5 ft
Numerous sections of Page Drive inundated along the river. Lower road inundated near boat docks in Lowell Park. Flooding of unimproved land on Riverside Drive in White Oaks. Dutch Landing Road is threatened north of Dixon.
16 ft
N Canal Drive threatened in Woodland Shores. Water overflows low-lying banks along west First Street in Dixon. Residential property threatened near Sherman Avenue and River Street in Dixon.
15.5 ft
Page Park picnic area is inundated. Backwater causes Sevenmile Branch to overflow low-lying banks near Forest Park Drive north of Dixon.
15 ft
Page Drive threatened in Page Park.
13.5 ft
Water overflows low-lying banks along Rock Nation Road northeast of Grand Detour.
13 ft
Water overtops low-lying banks along N Canal Drive and S Canal Drive west of Dixon. Islands in the river at Grand Detour inundated. Lower bike path along river in Dixon is threatened.
Impact statements from the National Weather Service, describing what typically happens at each water level.
Low-Water Impacts
7.0
Approximate stage of the 1-in-10 annual chance flow (7-day average).
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 |
|---|---|---|
| Apr 19, 1973 | 20.5 ft | — |
| Jul 1, 1996 | 19 ft | — |
| Mar 24, 1975 | 18.5 ft | — |
About This Gauge
Get Flood Alerts for Rock 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 Rock River at Dixon?
The Rock River at Dixon gauge is maintained by USGS (site 05442300) 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 Rock River at Dixon?
The NWS-defined flood stage for Rock River at Dixon is 16 feet. Action stage begins at 13 feet. Moderate flooding starts at 18 feet, and major flooding at 20 feet.
How do I get alerts when Rock River rises?
Download StormCast free on Google Play, go to River Gauges, and add Rock River at Dixon 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 Rock River at Dixon gauge located?
The gauge is located in Lee County, Illinois at coordinates 41.8442°N, 89.4858°W. USGS site number: 05442300. Data is provided by the U.S. Geological Survey and the National Weather Service.
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On This River
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Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- River forecasts for this location take into account past and future precipitation. The stages/flows that will occur may be different if future rainfall is different than forecast.