Fox River at Montgomery

1. 21.50 ftBatavia City Hall and Batavia Police Department threatened.
2. 19.50 ftNorth Aurora City Hall threatened.
3. 19.00 ftStructures 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.
4. 18.50 ftIndustrial structures are threatened along Harrison Street in Oswego.
5. 18.00 ftA 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.
6. 17.50 ftMooseheart 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.
7. 17.00 ftBatavia wastewater treatment plant property is threatened.
8. 16.50 ftFox Metro Wastewater Reclamation facility property is threatened south of Montomgery.
9. 16.00 ftIL-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.
10. 15.50 ftA 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.
11. 15.00 ftResidences 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.
12. 14.50 ftAthletic fields threatened at Clark Island Park in Batavia.
13. 14.00 ftLow-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.
14. 13.50 ftLow-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.
15. 13.00 ftWater overtops low-lying banks near Montgomery, St. Charles, and Clark Island Park in Batavia.

Significant river flooding is possible here through September 25.

Weather conditions indicate that significant flooding could occur; it is neither certain nor imminent.

Chance of flooding, September to November

The five-day outlook is from the Weather Prediction Center with the River Forecast Centers. The three-month chances are the River Forecast Centers’ long-range flood outlook, issued August 28, 2026.

Most recent crests

• July 14, 2024: 13.06 ft
• April 8, 2024: 13.18 ft
• April 5, 2023: 13.26 ft
• May 4, 2022: 12.96 ft
• May 18, 2020: 14.66 ft
• May 15, 2020: 14.46 ft
• April 30, 2020: 13.93 ft
• March 29, 2020: 13.62 ft
• October 3, 2019: 13.73 ft
• September 22, 2019: 13.68 ft

• UpstreamFox River at South Elgin Dam
• DownstreamFox River at Yorkville (Palmer Dam)
• Waubonse Creek at Oswego
• Blackberry Creek at Montgomery
• Blackberry Creek at Yorkville
• Mill Creek (IL) at Batavia
• West Branch Du Page River at Naperville (Fawell Dam)
• Spring Brook at Naperville (87th Street)
• Du Page River at Plainfield

Forecasts by the North Central River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. 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.

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.