Fox River at Montgomery, IL

River level and flood forecast · Kane County

Normal11.9 ftas of Mon 2 PM

The river is 1.6 ft below flood stage (13.5 ft).

Flow: 1,760 cubic feet per second (USGS).

The last 7 days and the forecast

111213141516TueWedThuFriSatSunMonAction 13 ftFlood 13.5 ftModerate 15 ftMajor 16 ftNowObserved (ft)NWS forecast

NWS forecast issued Thu, Oct 1, 9:10 AM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage16 ft
Moderate flood stage15 ft
Flood stage13.5 ft
Action stage13 ft
Record crest (July 18, 1996)16.5 ft

What floods at each level

From the National Weather Service, highest first.

  • 21.5 ftBatavia City Hall and Batavia Police Department threatened.
  • 19.5 ftNorth Aurora City Hall threatened.
  • 19 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.
  • 18.5 ftIndustrial structures are threatened along Harrison Street in Oswego.
  • 18 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.
  • 17.5 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.
  • 17 ftBatavia wastewater treatment plant property is threatened.
  • 16.5 ftFox Metro Wastewater Reclamation facility property is threatened south of Montomgery.
  • 16 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.
  • 15.5 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.
  • 15 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.
  • 14.5 ftAthletic fields threatened at Clark Island Park in Batavia.
  • 14 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.
  • 13.5 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.
  • 13 ftWater overtops low-lying banks near Montgomery, St. Charles, and Clark Island Park in Batavia.

Highest crests on record

  1. 16.5 ft — July 18, 1996
  2. 15.14 ft — April 18, 2013
  3. 15.12 ft — September 14, 2008
  4. 14.77 ft — August 24, 2007
  5. 14.66 ft — May 18, 2020

Recent crests: 13.06 ft (July 14, 2024) · 13.18 ft (April 8, 2024) · 13.26 ft (April 5, 2023) · 12.96 ft (May 4, 2022) · 14.66 ft (May 18, 2020)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (MNGI2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.