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 Watch issued June 10 at 6:54PM CDT until June 11 at 4:00AM CDT by NWS Chicago IL

Effective: Wed June 10, 2026, 6:54 PM
Expires: Thu June 11, 2026, 3:00 AM

* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of Illinois, including the following areas, Central Cook, De Kalb, DuPage, Eastern Will, Ford, Grundy, Iroquois, Kane, Kankakee, Kendall, La Salle, Lee, Livingston, Northern Cook, Northern Will, Southern Cook and Southern Will and northwest Indiana, including the following areas, Benton, Jasper, Lake IN, Newton and Porter. * WHEN...Until 4 AM CDT /5 AM EDT/ Thursday. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Underpasses may be flooded. Roads and streets may be flooded. * ADDITIONAL DETAILS... - A line of thunderstorms with rainfall rates locally in excess of 1 to 2 inches per hour may move across portions of northern and northeastern Illinois late this evening. Rainfall may lead to flooding, especially in urban areas and areas that received heavy rainfall earlier this afternoon. - http://www.weather.gov/safety/flood

A Flood Watch for flash flooding means rapid-onset flooding is possible, but not yet certain, based upon the latest forecasts. Flash flooding is a dangerous situation. Persons with interests along area rivers, creeks, and other waterways should monitor the latest forecasts and be prepared to take action should flooding develop.

Flood Watch issued June 10 at 3:12PM CDT until June 11 at 11:00AM CDT by NWS Quad Cities IA IL

Effective: Wed June 10, 2026, 3:12 PM
Expires: Thu June 11, 2026, 11:00 AM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Illinois, including the following areas, Bureau, Hancock, Henderson, Henry IL, McDonough, Mercer, Putnam, Rock Island, Warren and Whiteside, Iowa, including the following areas, Cedar, Clinton, Des Moines, Henry IA, Iowa, Jefferson, Johnson, Keokuk, Lee, Louisa, Muscatine, Scott, Van Buren and Washington, and northeast Missouri, including the following areas, Clark and Scotland. * WHEN...Through Thursday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS... - Several rounds of heavy rain producing thunderstorms are expected through Thursday morning across the watch area. The storms may be slow moving or redeveloping over the same areas resulting in torrential rainfall and possibly several inches of rain by Thursday morning.

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Flood Warning issued June 10 at 9:44PM CDT until June 15 at 3:00PM CDT by NWS Quad Cities IA IL

Effective: Wed June 10, 2026, 9:44 PM
Expires: Thu June 11, 2026, 9:45 PM

...The National Weather Service in Quad Cities IA IL has issued a Flood Warning for the following rivers in Iowa...Illinois... Maquoketa River near Maquoketa affecting Jackson County. Rock River near Joslin affecting Henry IL, Whiteside and Rock Island Counties. Rock River at Moline affecting Henry IL and Rock Island Counties. * WHAT...Minor flooding is forecast. * WHERE...Rock River near Joslin. * WHEN...From late Friday night to Monday afternoon. * IMPACTS...At 13.0 feet, Flooding of unprotected agricultural land occurs. Water also affects Lundeens Landing Campground. * ADDITIONAL DETAILS... - At 8:45 PM CDT Wednesday the stage was 6.8 feet and rising. - Forecast...The river is expected to rise above flood stage early Saturday morning to a crest of 12.9 feet Saturday evening. It will then fall below flood stage Monday morning. - 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. The next statement will be issued by Thursday evening at 945 PM CDT.