Station Name: FOX RIVER AT MILLER BRIDGE NEAR MCHENRY, IL
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 728 feet

Nearest Address:
Charles J Miller Rd
McHenry, IL 60051
McHenry County

GPS Coordinates: 42.3233333, -88.2516667

Nearby Water Temperatures

Flood Warning issued April 22 at 10:39AM CDT by NWS Chicago IL

Effective: Wed April 22, 2026, 10:39 AM
Expires: Thu April 23, 2026, 4:45 AM

...The Flood Warning continues for the following rivers in Illinois... Fox River at Montgomery affecting Kane and Kendall Counties. Fox River at Algonquin Lock & Dam tailwater affecting Kane, McHenry and Lake IL Counties. * WHAT...Moderate flooding is occurring and major flooding is forecast. * WHERE...Fox River from Johnsburg downstream to Red Gate Road in St. Charles, including the Algonquin Lock & Dam tailwater gauge. * WHEN...Until further notice. * IMPACTS...At 12.0 feet, Structures threatened along River Street, Johnson Street, and Maiden Lane in East Dundee. North Harrison Street threatened near Riverside Park in Algonquin. Washington Street threatened in Carpentersville. Water Street, Edwards Avenue, and Elgin Avenue threatened in East Dundee. Bayview Road threatened in Elgin. Low-lying areas of Festival Park are threatened in Elgin. * ADDITIONAL DETAILS... - At 9:30 AM CDT Wednesday the stage was 12.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:30 AM CDT Wednesday was 12.0 feet. - Forecast...The river is expected to rise to a crest of 12.2 feet Thursday evening, then remain near crest through Saturday before slowly falling. - Flood stage is 9.5 feet. - http://www.weather.gov/safety/flood

These forecasts are based on observed precipitation as well as forecast precipitation 24 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 24 hours, may cause changes to these river forecasts. A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. Additional information is available at www.weather.gov. The next statement will be issued by late tonight.

Flood Warning issued April 21 at 6:04PM CDT until April 29 at 1:00PM CDT by NWS Chicago IL

Effective: Tue April 21, 2026, 6:04 PM
Expires: Wed April 29, 2026, 1:00 PM

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...A portion of northeast Illinois, including the following counties, Lake IL and McHenry. * WHEN...Until further notice. * IMPACTS...Numerous roads, yards, structures, and areas of park land are flooding along the Fox River Chain of Lakes. Flooding will continue through at least the middle of next week. * ADDITIONAL DETAILS... - At 600 PM CDT, River gauges along the Fox River Chain of Lakes indicated water levels continuing to climb slowly. The rate of climb has slowed since yesterday. Water levels on Channel Lake exceeded major flood stage yesterday and water levels on Fox Lake and Nippersink Lake exceeded major flood stage today. The latest forecast from the Illinois Department of Natural Resources indicates that water levels are near crest. - Water levels are expected to remain above flood stage at least through the middle of next week, assuming no additional rainfall occurs. Impacts from this flood are likely to be similar to those experienced in May of 1973, April 1979, or October of 1986, which each crested at similar levels. - Some locations that will experience flooding include areas along the Fox River Chain of Lakes, including Nippersink Lake, Fox Lake, Pistakee Lake, Petite Lake, Lake Marie, Channel Lake, and Lake Catherine. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Flood Warning issued April 22 at 3:16PM CDT until April 29 at 1:00PM CDT by NWS Chicago IL

Effective: Wed April 22, 2026, 3:16 PM
Expires: Wed April 29, 2026, 1:00 PM

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...A portion of northeast Illinois, including the following counties, Lake IL and McHenry. * WHEN...Until further notice. * IMPACTS...Numerous roads, yards, structures, and areas of park land are flooding along the Fox River Chain of Lakes. Flooding will continue through at least the middle of next week. * ADDITIONAL DETAILS... - At 255 PM CDT, River gauges along the Fox River Chain of Lakes indicated water levels are cresting at major flood stage. The latest forecast from the Illinois Department of Natural Resources indicates that water levels may begin to slowly fall on Thursday. - Water levels are expected to remain above flood stage at least through the middle of next week, assuming no additional rainfall occurs. Impacts from this flood are likely to be similar to those experienced in May of 1973, April 1979, or October of 1986, which each crested at similar levels. - Some locations that will experience flooding include areas along the Fox River Chain of Lakes, including Nippersink Lake, Fox Lake, Pistakee Lake, Petite Lake, Lake Marie, Channel Lake, and Lake Catherine. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Flood Warning issued April 22 at 10:11PM CDT by NWS Chicago IL

Effective: Wed April 22, 2026, 10:11 PM
Expires: Thu April 23, 2026, 4:15 PM

...The Flood Warning continues for the following rivers in Illinois... Fox River at Montgomery affecting Kane and Kendall Counties. Fox River at Algonquin Lock & Dam tailwater affecting Kane, McHenry and Lake IL Counties. * WHAT...Major flooding is occurring and is forecasted to continue. * WHERE...Fox River from Johnsburg downstream to Red Gate Road in St. Charles, including the Algonquin Lock & Dam tailwater gauge. * WHEN...Until further notice. * IMPACTS...At 12.0 feet, structures threatened along River Street, Johnson Street, and Maiden Lane in East Dundee. North Harrison Street threatened near Riverside Park in Algonquin. Washington Street threatened in Carpentersville. Water Street, Edwards Avenue, and Elgin Avenue threatened in East Dundee. Bayview Road threatened in Elgin. Low-lying areas of Festival Park are threatened in Elgin. * ADDITIONAL DETAILS... - At 9:30 PM CDT Wednesday, the stage was 12.0 feet. - Forecast...The river is expected to rise to a crest of 12.2 feet Thursday evening, then remain steady through Saturday before slowly falling. - Flood stage is 9.5 feet. - http://www.weather.gov/safety/flood

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation 24 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 24 hours, may cause changes to these river forecasts. Additional information is available at www.weather.gov. The next statement will be issued by Thursday afternoon.

Flood Warning issued April 22 at 10:24AM CDT by NWS Chicago IL

Effective: Wed April 22, 2026, 10:24 AM
Expires: Thu April 23, 2026, 4:30 AM

...The Flood Warning continues for the following rivers in Illinois... Des Plaines River near Russell affecting Lake IL County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Des Plaines River from IL/WI state line downstream to US-41 in Gurnee, including the Russell gauge. * WHEN...Until further notice. * IMPACTS...At 8.0 feet, Agricultural and park land is inundated near the river. Residential property is threatened near the river. * ADDITIONAL DETAILS... - At 9:30 AM CDT Wednesday the stage was 8.2 feet. - Forecast...The river is expected to continue gradually falling, and may drop below Flood stage this weekend. - Flood stage is 7.0 feet. - http://www.weather.gov/safety/flood

These forecasts are based on observed precipitation as well as forecast precipitation 24 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 24 hours, may cause changes to these river forecasts. A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. Additional information is available at www.weather.gov. The next statement will be issued by late tonight.