Fox River at Algonquin

Last updated: Jun 28, 2025, 8:04 PM UTC
No watches, warnings or advisories are in effect for this area.

Flood Impacts 🅘

  • 6 - Algonquin Road (IL-62) is threatened west of the river in Algonquin.
  • 4 - Flooding affects residences in Algonquin along Lowe Drive.
  • 3.5 - Some homes flood in Valley View subdivision north of St Charles.

Gauge Info

Coordinates 42.1663, -88.2903
RFC NCRFC
State IL
WFO LOT
County McHenry
Data Provider(s)
US Geological Survey USGS--Water Resources of the United States
USGS 05550000

Gauge Location

Recent Crests

1. 3.16 ft on 05-23-2020
2. 2.97 ft on 09-17-2019
3. 3.09 ft on 06-26-2018
4. 4.39 ft on 07-23-2017 (P)
5. 4.03 ft on 04-23-2013

Historic Crests

1. 4.50 ft on 04-01-1916
2. 4.42 ft on 07-05-1938
3. 4.40 ft on 03-06-1918
4. 4.39 ft on 07-23-2017 (P)
5. 4.37 ft on 03-16-1929

Low Water Records

(P) -  Preliminary values subject to further review
¹ -  Gauge datum changed during this year

Vertical Datum Table

type NAVD88
major Flooding 733.21 ft
moderate Flooding 732.51 ft
minor Flooding 732.21 ft
action 732.01 ft
Latest Value 730.76 ft
Gauge Zero 729.21 ft

Gauge Photos

Photo 1 of 2

Looking upstream.

Probability Information

No Images Available

Collaborative Agencies

The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.

WFO Information

Weather Forecast Office
Chicago
333 W. University Dr.
Romeoville, IL 60446
Official Homepage