Station Name: DES PLAINES RIVER IN LOCK CHANNEL AT ROCKDALE, IL
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 512 feet

Nearest Address:
Channahon Road
Rockdale, IL 60436
Will County

GPS Coordinates: 41.5, -88.1069444

Nearby Water Temperatures

Severe Thunderstorm Watch issued July 27 at 2:19PM CDT until July 27 at 7:00PM CDT by NWS Chicago IL

Effective: Mon July 27, 2026, 2:19 PM
Expires: Mon July 27, 2026, 7:00 PM

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 520 IN EFFECT UNTIL 7 PM CDT /8 PM EDT/ THIS EVENING FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 6 COUNTIES IN EAST CENTRAL ILLINOIS IROQUOIS IN NORTHEAST ILLINOIS COOK DUPAGE KANKAKEE LAKE IL WILL IN INDIANA THIS WATCH INCLUDES 5 COUNTIES IN NORTHWEST INDIANA BENTON JASPER LAKE IN NEWTON PORTER THIS INCLUDES THE CITIES OF BOLINGBROOK, BOURBONNAIS, BUFFALO GROVE, CAROL STREAM, CHESTERTON, CHICAGO, DEMOTTE, DOWNERS GROVE, EVANSTON, FOWLER, GARY, GILMAN, GURNEE, HAMMOND, JOLIET, KANKAKEE, KENTLAND, LEMONT, LOMBARD, MERRILLVILLE, MOROCCO, MUNDELEIN, NAPERVILLE, OAK LAWN, ORLAND PARK, OXFORD, PARK FOREST, PORTAGE, RENSSELAER, ROSELAWN, SCHAUMBURG, VALPARAISO, WATSEKA, WAUKEGAN, WHEATON, AND WILMINGTON.

Flash Flood Warning issued July 27 at 1:05PM CDT until July 27 at 5:00PM CDT by NWS Chicago IL

Effective: Mon July 27, 2026, 1:05 PM
Expires: Mon July 27, 2026, 5:00 PM

FFWLOT The National Weather Service in Chicago has issued a * Flash Flood Warning for... Southeastern Cook County in northeastern Illinois... Central Will County in northeastern Illinois... * Until 500 PM CDT. * At 105 PM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing rainfall rates of 1 to 2 inches per hour. Up to 2 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding. SOURCE...Radar and automated gauges. IMPACT...Rapid-onset flooding of creeks, streams, drainage ditches, streets, underpasses, low-lying areas, and other poor drainage areas. * Some locations that will experience flash flooding include... Chicago, Joliet, Orland Park, Tinley Park, Oak Lawn, Calumet City, Woodridge, Chicago Heights, Roseland, Lansing, Oak Forest, Harvey, Lockport, New Lenox, Homer Glen, Blue Island, Dolton, Park Forest, Homewood and Alsip.

A Flash Flood Warning means rapid-onset flooding is imminent or may already be occurring. Persons along creeks, drainage ditches, and other waterways should take immediate precautions to protect life and property.

Flash Flood Warning issued July 27 at 12:02PM CDT until July 27 at 4:00PM CDT by NWS Chicago IL

Effective: Mon July 27, 2026, 12:02 PM
Expires: Mon July 27, 2026, 4:00 PM

FFWLOT The National Weather Service in Chicago has issued a * Flash Flood Warning for... Cook County in northeastern Illinois... Eastern DuPage County in northeastern Illinois... * Until 400 PM CDT. * At 1202 PM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing rainfall rates of 1 to 2 inches per hour. Up to 2 inches of rainfall has occurred due to these storms in northwestern Cook County. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding. SOURCE...Radar and automated gauges. IMPACT...Rapid-onset flooding of creeks, streams, drainage ditches, streets, underpasses, low-lying areas, and other poor drainage areas. * Some locations that will experience flash flooding include... Chicago, Cicero, Arlington Heights, Evanston, Schaumburg, Bolingbrook, Palatine, Skokie, Des Plaines, Oak Lawn, Berwyn, Mount Prospect, Wheaton, Hoffman Estates, Oak Park, Downers Grove, Glenview, Elmhurst, Lombard and Buffalo Grove.

A Flash Flood Warning means rapid-onset flooding is imminent or may already be occurring. Persons along creeks, drainage ditches, and other waterways should take immediate precautions to protect life and property.

Flash Flood Warning issued July 27 at 2:19PM CDT until July 27 at 5:00PM CDT by NWS Chicago IL

Effective: Mon July 27, 2026, 2:19 PM
Expires: Mon July 27, 2026, 5:00 PM

At 219 PM CDT, Doppler radar and automated rain gauges indicate that heavy rain fell across the warned area. Up to 2 inches of rain have fallen. HAZARD...Flash flooding. SOURCE...Radar and automated gauges. IMPACT...Rapid-onset flooding of creeks, streams, drainage ditches, streets, underpasses, low-lying areas, and other poor drainage areas. Some locations that will experience flash flooding include... Chicago, Orland Park, Tinley Park, Oak Lawn, Calumet City, Chicago Heights, Roseland, Lansing, Oak Forest, Harvey, Blue Island, Dolton, Park Forest, Homewood, Alsip, Matteson, Frankfort, Palos Hills, Steger and South Holland.

A Flash Flood Warning means rapid-onset flooding is imminent or may already be occurring. Persons along creeks, drainage ditches, and other waterways should take immediate precautions to protect life and property.

Flash Flood Warning issued July 27 at 2:18PM CDT until July 27 at 4:00PM CDT by NWS Chicago IL

Effective: Mon July 27, 2026, 2:18 PM
Expires: Mon July 27, 2026, 4:00 PM

At 218 PM CDT, Doppler radar and automated rain gauges indicated that heavy rain fell across the warned area. Up to 2 inches of rain have fallen. HAZARD...Flash flooding. SOURCE...Radar and automated gauges. IMPACT...Rapid-onset flooding of creeks, streams, drainage ditches, streets, underpasses, low-lying areas, and other poor drainage areas. Some locations that will experience flash flooding include... Chicago, Cicero, Evanston, Schaumburg, Skokie, Oak Lawn, Berwyn, Wheaton, Oak Park, Downers Grove, Glenview, Elmhurst, Lombard, Bartlett, Ohare Airport, Streamwood, Carol Stream, Hanover Park, Park Ridge and Addison.

A Flash Flood Warning means rapid-onset flooding is imminent or may already be occurring. Persons along creeks, drainage ditches, and other waterways should take immediate precautions to protect life and property.