Severe Thunderstorm Watch issued July 27 at 6:15PM CDT until July 27 at 7:00PM CDT by NWS Chicago IL
Issue date: 2026-07-27T23:15+00:00
SEVERE THUNDERSTORM WATCH 520 REMAINS VALID UNTIL 7 PM CDT /8 PM EDT/ THIS EVENING FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 3 COUNTIES IN EAST CENTRAL ILLINOIS IROQUOIS IN NORTHEAST ILLINOIS KANKAKEE WILL IN INDIANA THIS WATCH INCLUDES 4 COUNTIES IN NORTHWEST INDIANA BENTON JASPER LAKE IN NEWTON THIS INCLUDES THE CITIES OF BOLINGBROOK, BOURBONNAIS, DEMOTTE, FOWLER, GARY, GILMAN, HAMMOND, JOLIET, KANKAKEE, KENTLAND, MERRILLVILLE, MOROCCO, OXFORD, RENSSELAER, ROSELAWN, WATSEKA, AND WILMINGTON.
Severe Thunderstorm Watch issued July 27 at 5:36PM CDT until July 27 at 7:00PM CDT by NWS Chicago IL
Issue date: 2026-07-27T22:36+00:00
SEVERE THUNDERSTORM WATCH 520 REMAINS VALID UNTIL 7 PM CDT /8 PM EDT/ THIS EVENING FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 5 COUNTIES IN EAST CENTRAL ILLINOIS IROQUOIS IN NORTHEAST ILLINOIS COOK DUPAGE KANKAKEE WILL IN INDIANA THIS WATCH INCLUDES 5 COUNTIES IN NORTHWEST INDIANA BENTON JASPER LAKE IN NEWTON PORTER THIS INCLUDES THE CITIES OF BOLINGBROOK, BOURBONNAIS, CAROL STREAM, CHESTERTON, CHICAGO, DEMOTTE, DOWNERS GROVE, EVANSTON, FOWLER, GARY, GILMAN, HAMMOND, JOLIET, KANKAKEE, KENTLAND, LEMONT, LOMBARD, MERRILLVILLE, MOROCCO, NAPERVILLE, OAK LAWN, ORLAND PARK, OXFORD, PARK FOREST, PORTAGE, RENSSELAER, ROSELAWN, SCHAUMBURG, VALPARAISO, WATSEKA, WHEATON, AND WILMINGTON.
Flash Flood Warning issued July 27 at 3:36PM CDT until July 27 at 6:45PM CDT by NWS Chicago IL
Issue date: 2026-07-27T20:36+00:00
FFWLOT The National Weather Service in Chicago has issued a * Flash Flood Warning for... Northeastern Kendall County in northeastern Illinois... Northwestern Will County in northeastern Illinois... * Until 645 PM CDT. * At 336 PM CDT, Doppler radar indicated thunderstorms producing rainfall rates of 1 to 3 inches per hour. Up to 1.5 inches has fallen from this storm over the last 30 minutes near Plainfield and Oswego. Flash flooding is expected to begin shortly. HAZARD...Flash flooding. SOURCE...Radar. 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... Joliet, Bolingbrook, Romeoville, Plainfield, Oswego, Lockport, New Lenox, Homer Glen, Mokena, Frankfort, Channahon, Minooka, Crest Hill, Shorewood, Manhattan, Ingalls Park, Elwood, Preston Heights.
Severe Thunderstorm Watch issued July 27 at 2:19PM CDT until July 27 at 7:00PM CDT by NWS Chicago IL
Issue date: 2026-07-27T19:19+00:00
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.
