Station Name: ROCK RIVER AT BYRON, IL
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 679 feet

Nearest Address:
State Rte 72
Byron, IL 61010
Ogle County

GPS Coordinates: 42.12218889, -89.2553639

Nearby Water Temperatures

Flood Warning issued April 7 at 8:37AM CDT until April 8 at 12:00PM CDT by NWS Quad Cities IA IL

Effective: Tue April 7, 2026, 8:37 AM
Expires: Wed April 8, 2026, 8:45 AM

...The Flood Warning is extended for the following rivers in Illinois... Rock River at Moline affecting Henry IL and Rock Island Counties. Rock River near Joslin affecting Whiteside, Henry IL and Rock Island Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Rock River near Joslin. * WHEN...Until early tomorrow afternoon. * IMPACTS...At 12.5 feet, Water affects some summer cottages along the river. * ADDITIONAL DETAILS... - At 7:45 AM CDT Tuesday the stage was 12.6 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:45 AM CDT Tuesday was 12.6 feet. - Forecast...The river is expected to fall below flood stage late tonight and continue falling to 9.1 feet Tuesday, April 14. - Flood stage is 12.0 feet.

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov/quadcities. The next statement will be issued late tonight at 300 AM CDT.

Flood Warning issued April 7 at 9:09PM CDT until April 8 at 6:00PM CDT by NWS Quad Cities IA IL

Effective: Tue April 7, 2026, 9:09 PM
Expires: Wed April 8, 2026, 6:00 PM

...The Flood Warning continues for the following rivers in Iowa... Iowa River at Marengo affecting Benton and Iowa Counties. Wapsipinicon River near De Witt 4S affecting Clinton and Scott Counties. ...The Flood Warning is extended for the following rivers in Illinois... Rock River at Moline affecting Henry IL and Rock Island Counties. Rock River near Joslin affecting Henry IL, Rock Island and Whiteside Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Rock River near Joslin. * WHEN...Until tomorrow evening. * IMPACTS...At 12.5 feet, Water affects some summer cottages along the river. * ADDITIONAL DETAILS... - At 8:45 PM CDT Tuesday the stage was 12.4 feet. - Recent Activity...The river is just coming off the crest. - Forecast...The river is expected to fall below flood stage late tomorrow morning and continue falling to 9.1 feet Tuesday, April 14. - Flood stage is 12.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. The next statement will be issued by Wednesday afternoon at 300 PM CDT.

Flood Warning issued April 7 at 10:01AM CDT until April 11 at 7:00AM CDT by NWS Chicago IL

Effective: Tue April 7, 2026, 10:01 AM
Expires: Wed April 8, 2026, 4:15 AM

...The Flood Warning continues for the following rivers in Illinois... Fox River at Algonquin Lock & Dam tailwater affecting McHenry, Kane and Lake IL Counties. For the Fox River (Illinois)...including Algonquin Lock & Dam tailwater...Minor flooding is forecasted. * WHAT...Minor flooding is occurring and forecasted to continue. * WHERE...Fox River from Johnsburg downstream to Red Gate Road in St. Charles, including the Algonquin Lock & Dam tailwater gauge. * WHEN...From this morning to Saturday morning. * IMPACTS...At 9.5 feet, Fox River Drive threatened in East Dundee. Boathouses threatened along the river in Cary. * ADDITIONAL DETAILS... - At 9:30 AM CDT Tuesday the stage was 9.5 feet. - Forecast...The river is expected to rise to a crest of 9.7 feet tomorrow morning. It is then expected to fall below flood stage Saturday morning. - 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 late tonight.

Flood Warning issued April 7 at 9:29PM CDT until April 11 at 1:00PM CDT by NWS Chicago IL

Effective: Tue April 7, 2026, 9:29 PM
Expires: Wed April 8, 2026, 3:30 PM

...The Flood Warning is extended for the following rivers in Illinois... Fox River at Algonquin Lock & Dam tailwater affecting Kane, McHenry and Lake IL Counties. * WHAT...Minor flooding is occurring and minor 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 early Saturday afternoon. * IMPACTS...At 9.5 feet, Fox River Drive threatened in East Dundee. Boathouses threatened along the river in Cary. * ADDITIONAL DETAILS... - At 8:30 PM CDT Tuesday the stage was 9.6 feet. - Forecast...The river is expected to rise to a crest of 9.7 feet Wednesday morning. It will then fall below flood stage Saturday morning. - 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 Wednesday afternoon.