Vermilion River (N-IL) near Leonore, IL
River level and flood forecast · La Salle County
Normal3.7 ftas of Mon 1:45 PM
The river is 12.3 ft below flood stage (16 ft).
Flow: 82 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 6 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 26 ft |
| Moderate flood stage | 21 ft |
| Flood stage | 16 ft |
| Action stage | 15.5 ft |
| Record crest (April 18, 2013) | 30.25 ft |
What floods at each level
From the National Weather Service, highest first.
- 38 ft1251st Road is threatened near Leonore.
- 30 ftWater may reach the top of the levee west of the river in Streator. Water may reach the top of the levee at the water treatment plant in Streator. Oakley Avenue may be threatened north of Streator.
- 29 ftMain Street may be threatened in Streator.
- 25 ft18th Road may be threatened north of Streator.
- 24 ftWithout flood protection, multiple roadways and structures may be threatened west of the river near Armory Court in Streator.
- 21 ftWidespread inundation of agricultural land may occur near Streator and Leonore.
- 16 ftWater overtops banks at multiple locations along the river near Streator and Leonore.
- 14 ftWater overtops low-lying banks in Streator.
Highest crests on record
- 30.25 ft — April 18, 2013
- 27.13 ft — December 4, 1982
- 25.22 ft — January 9, 2008
- 25.1 ft — December 29, 2015
- 24.5 ft — May 2, 2019
Recent crests: 14.54 ft (February 25, 2021) · 20.89 ft (April 30, 2020) · 16.58 ft (April 26, 2020) · 16.83 ft (January 12, 2020) · 15.62 ft (October 31, 2019)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (LNRI2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.