Blackberry Creek at Montgomery, IL

River level and flood forecast · Kane County

Normal3.9 ftas of Mon 2:30 PM

The river is 6.1 ft below flood stage (10 ft).

Flow: 59 cubic feet per second (USGS).

The last 7 days and the forecast

2468101214TueWedThuFriSatSunMonAction 8 ftFlood 10 ftModerate 11.5 ftMajor 12.5 ftNowObserved (ft)NWS forecast

NWS forecast issued Sun, Dec 31, 6 PM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage12.5 ft
Moderate flood stage11.5 ft
Flood stage10 ft
Action stage8 ft
Record crest (July 18, 1996)13.5 ft

What floods at each level

From the National Weather Service, highest first.

  • 16 ftNumerous residences are threatened off Concord Drive in Montgomery.
  • 15.5 ftMultiple residences threatened near US-30 (Base Line Road) and Orchard Road west of Montgomery.
  • 15 ftConcord Drive is threatened in Montgomery.
  • 13 ftJericho Road is threatened at creek in Montgomery.
  • 12 ftWater begins to bypass the main channel eastward toward Montgomery. Numerous residences threatened along Willow Lane, Park Lane, and Brookside Lane between Montgomery and Yorkville.
  • 11.5 ftRoadways are threatened at Jericho Lake Park in Montgomery.
  • 11 ftWillow Lane, Park Lane, and Brookside Lane threatened near the creek between Montgomery and Yorkville.
  • 9 ftLow-lying sections of Blackberry Trail Park are inundated in Montgomery.
  • 8.5 ftLow-lying trails along the creek are threatened.

Highest crests on record

  1. 13.5 ft — July 18, 1996
  2. 10.69 ft — September 14, 2008
  3. 9.3 ft — April 19, 2013
  4. 8.73 ft — June 17, 2015
  5. 8.63 ft — December 28, 2008

Recent crests: 8.54 ft (May 18, 2020) · 7.91 ft (May 1, 2019) · 8.26 ft (February 21, 2018) · 8.15 ft (October 15, 2017) · 7.59 ft (May 1, 2017)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (BBMI2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.