Kishwaukee River at Belvidere, IL

River level and flood forecast · Boone County

Normal2.0 ftas of Mon 3:30 PM

The river is 7.0 ft below flood stage (9 ft).

Flow: 362 cubic feet per second (USGS).

The last 7 days and the forecast

024681012TueWedThuFriSatSunMonAction 6 ftFlood 9 ftModerate 10 ftMajor 12 ftNowObserved (ft)NWS forecast

NWS forecast issued Sun, Sep 20, 8:48 AM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage12 ft
Moderate flood stage10 ft
Flood stage9 ft
Action stage6 ft
Record crest (January 24, 1938)16.9 ft

What floods at each level

From the National Weather Service, highest first.

  • 21 ftI-90 may be threatened west of Belvidere.
  • 19 ftUnion Pacific Railroad tracks threatened in Cherry Valley.
  • 16.5 ftNewburg Road threatened west of Belvidere.
  • 16 ftInundation of structures and roadways reaches 1-2 blocks from the river in downtown Belvidere. Roadways and structures threatened at Bel Mo Mobile Home Park in Belvidere. US-20 Business and Appleton Road threatened in Belvidere. Residences threatened along East Street and Van Buren Street in Cherry Valley.
  • 15.5 ftBelvidere Sewage Treatment Plant threatened. US-20 and Union Pacific Railroad tracks threatened east of Belvidere. Main Street threatened in Belvidere.
  • 15 ftCommercial structures threatened in downtown Belvidere. Widespread inundation of agricultural land and woodland near Belvidere. Water reaches the top of the levee along River Drive in Belvidere. Residential structures threatened along Grove Street and Cherry Street in Cherry Valley. Athletic fields threatened and overflow begins into lake at Baumann Park in Cherry Valley.
  • 14 ftParking lots threatened in downtown Belvidere.
  • 12 ftParking lots threatened at Baumann Park in Cherry Valley.
  • 11.5 ftLawrenceville Road threatened east of Belvidere. Structures in Belvidere Park are threatened. Without flood protection, multiple residential structures threatened along Gaynor Street, Gladys Court, Burgess Road, and River Drive.
  • 11 ftIndustrial structures threatened along Pleasant Street and Meadow Street in Belvidere. Epworth Road threatened east of Belvidere. Widespread inundation in Belvidere Park.
  • 10.5 ftWater begins to bypass the main channel east of Belvidere toward Coon Creek and Belmar Golf Club. Without flood protection, Gaynor Street threatened in Belvidere. Trails threatened at Baumann Park in Cherry Valley.
  • 10 ftTrails in Spencer Park threatened. Parking lots threatened in Belvidere Park.
  • 9.5 ftHoliday Acres Campground threatened east of Belvidere. Northwoods RV Resort is threatened in Garden Prairie.
  • 9 ftBoone-McHenry County Line Road threatened. Low-lying areas are threatened in Belvidere Park.
  • 8 ftTrails in Belvidere Park threatened.
  • 6 ftWater overtops low-lying banks along the river in and near Belvidere.

Highest crests on record

  1. 16.9 ft — January 24, 1938
  2. 14.19 ft — February 20, 1994
  3. 13.97 ft — June 14, 1999
  4. 13.1 ft — March 16, 1943
  5. 12.9 ft — January 6, 1946

Recent crests: 7.53 ft (July 15, 2024) · 8.43 ft (April 4, 2024) · 6.19 ft (March 1, 2023) · 8.62 ft (July 8, 2022) · 5.9 ft (March 11, 2021)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (BVDI2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.