Major Flood
16 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
15 ft
Minor Flood
13.5 ft
Action Stage
13 ft
What Floods at Each Level
21.5 ft
Batavia City Hall and Batavia Police Department threatened.
19.5 ft
North Aurora City Hall threatened.
19 ft
Structures threatened at Stolp Island in downtown Aurora. Structures threatened at Cool Acres Park in Aurora. River Street near Sullivan Road threatened in Aurora. IL-25 threatened near Laurel Street in Batavia.
18.5 ft
Industrial structures are threatened along Harrison Street in Oswego.
18 ft
A few residences threatened along IL-25 (East River Road) in Montgomery. A few residences are threatened along Marina Drive between Montgomery and Oswego. Low-lying parking lots threatened in downtown Aurora.
17.5 ft
Mooseheart wastewater treatment plant property is threatened. A few structures threatened along River Street near South River Street Park in Aurora. River Street is threatened at South River Street Park and near Ashland Avenue in Aurora.
17 ft
Batavia wastewater treatment plant property is threatened.
16.5 ft
Fox Metro Wastewater Reclamation facility property is threatened south of Montomgery.
16 ft
IL-25 (East River Road) is threatened near 1st Avenue in Montgomery. Harrison Street is threatened in Oswego. Flinn Street and Shumway Avenue threatened in Batavia.
15.5 ft
A couple structures threatened in downtown Batavia. IL-25 (East River Road) is threatened near Boulder Hill Pass. Numerous sections of Fox River Trail are threatened in Oswego. Low-lying trails threatened at Lippold Park between Batavia and North Aurora. Athletic fields at South River Street Park are inundated in Aurora.
15 ft
Residences are threatened along River Street near Ashland Avenue in Montgomery. Veterans Memorial threatened at Illinois Avenue in Aurora. Low-lying sections of Hudson Crossing Park are inundated in Oswego.
14.5 ft
Athletic fields threatened at Clark Island Park in Batavia.
14 ft
Low-lying park land inundated along IL-25 between Montomgery and Oswego. Low-lying sections of Fabyan Forest Preserve near Batavia, Hurds Island and Gregory Island Park in Aurora, and Riverfront Park in North Aurora are inundated.
13.5 ft
Low-lying parking lots at city hall and Boy Scout Island are threatened in St. Charles. Fox River Trail is threatened at St. Mary Park in St. Charles.
13 ft
Water overtops low-lying banks near Montgomery, St. Charles, and Clark Island Park in Batavia.
Impact statements from the National Weather Service, describing what typically happens at each water level.
Low-Water Impacts
10.0
Water supply intakes at Aurora Water Treatment Plant may be threatened. Water supply for the city of Aurora can be supplemented by groundwater sources.
10.5
River reaches crest elevation of Montgomery Dam. River nears zero flow.
11.0
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 |
|---|---|---|
| Jul 17, 1996 | 16.5 ft | — |
| Apr 17, 2013 | 15.14 ft | 17,100 cfs |
| Sep 13, 2008 | 15.12 ft | 18,000 cfs |
About This Gauge
Get Flood Alerts for Fox 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 Fox River at Montgomery?
The Fox River at Montgomery gauge is maintained by USGS (site 05551540) 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 Fox River at Montgomery?
The NWS-defined flood stage for Fox River at Montgomery is 13.5 feet. Action stage begins at 13 feet. Moderate flooding starts at 15 feet, and major flooding at 16 feet.
How do I get alerts when Fox River rises?
Download StormCast free on Google Play, go to River Gauges, and add Fox River at Montgomery 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 Fox River at Montgomery gauge located?
The gauge is located in Kane County, Illinois at coordinates 41.7336°N, 88.3333°W. USGS site number: 05551540. Data is provided by the U.S. Geological Survey and the National Weather Service.
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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.