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 Advisory issued June 12 at 2:50AM CDT until June 12 at 9:00AM CDT by NWS Chicago IL

Effective: Fri June 12, 2026, 2:50 AM
Expires: Fri June 12, 2026, 9:00 AM

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Portions of north central and northeast Illinois, including the following counties, in north central Illinois, Boone, De Kalb, Lee, Ogle and Winnebago. In northeast Illinois, Lake IL and McHenry. * WHEN...Until 900 AM CDT Friday. * IMPACTS...Flooding may occur in poor drainage and urban areas. Roads and streets may be flooded. * ADDITIONAL DETAILS... - At 246 AM CDT, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms, which has since ended. Between 2 and 3 inches of rain had fallen. - Flooding impacts may continue into the morning, but no additional rainfall is expected. - Some locations that will experience flooding include... Rockford, Waukegan, Crystal Lake, Gurnee, Round Lake Beach, McHenry, Belvidere, Woodstock, Zion, Loves Park, Machesney Park, Grayslake, Libertyville, Round Lake, Dixon, Antioch, Wauconda, Roscoe, Fox Lake and Harvard. - http://www.weather.gov/safety/flood

A Flood Advisory means minor flooding along waterways and other poor drainage areas is imminent or may already be occurring. Persons in the advisory area should use caution and avoid flood waters. Be especially cautious at night when it is harder to recognize the dangers of flooding.

Flood Warning issued June 11 at 9:52AM CDT until June 15 at 9:00PM CDT by NWS Quad Cities IA IL

Effective: Thu June 11, 2026, 9:52 AM
Expires: Fri June 12, 2026, 10:00 AM

...The Flood Warning continues for the following rivers in Iowa... Maquoketa River near Maquoketa affecting Jackson County. Cedar River near Conesville affecting Louisa and Muscatine Counties. Iowa River near Lone Tree affecting Louisa, Washington and Johnson Counties. English River at Kalona affecting Washington and Johnson Counties. Skunk River at Augusta affecting Henry IA, Des Moines and Lee Counties. Wapsipinicon River near De Witt 4S affecting Scott and Clinton Counties. ...The Flood Warning is extended for the following rivers in Illinois... Rock River near Joslin affecting Henry IL, Rock Island and Whiteside Counties. Rock River at Moline affecting Henry IL and Rock Island Counties. .Several rounds of heavy rainfall will produce flooding on several tributary rivers. * WHAT...Minor flooding is forecast. * WHERE...Rock River near Joslin. * WHEN...From Saturday morning to late Monday evening. * IMPACTS...At 12.5 feet, Water affects some summer cottages along the river. * ADDITIONAL DETAILS... - At 8:45 AM CDT Thursday the stage was 6.9 feet. - Forecast...The river is expected to rise above flood stage late Saturday morning to a crest of 12.5 feet early Sunday morning. It will then fall below flood stage early Monday afternoon. - Flood stage is 12.0 feet.

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. The next statement will be issued by Friday morning at 1000 AM CDT.