Active Weather Alerts
Flash Flood Warning
Issued: 3:50 AM Jul. 4, 2026 – National Weather Service
The National Weather Service in Chicago has issued a * Flash Flood Warning for... South Central Cook County in northeastern Illinois... Central Will County in northeastern Illinois... * Until 200 AM CDT. * At 1050 PM CDT, Doppler radar indicated thunderstorms with rainfall rates of 1 to 2 inches per hour continuing across the area. Up to 2 inches of rain have fallen. Flash flooding is ongoing or 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... Orland Park, Tinley Park, Oak Forest, New Lenox, Homer Glen, Park Forest, Mokena, Frankfort, Steger, Richton Park, Palos Heights, Worth, Frankfort Square, Crete, University Park, Manhattan, Monee, Orland Hills and Palos Park. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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...RADAR INDICATED; EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR
Severe Thunderstorm Watch
Issued: 3:50 AM Jul. 4, 2026 – National Weather Service
SEVERE THUNDERSTORM WATCH 451 REMAINS VALID UNTIL 2 AM CDT /3 AM EDT/ SATURDAY FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 6 COUNTIES IN CENTRAL ILLINOIS LIVINGSTON IN EAST CENTRAL ILLINOIS FORD IROQUOIS IN NORTHEAST ILLINOIS GRUNDY 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, CHESTERTON, COAL CITY, DEMOTTE, DWIGHT, FAIRBURY, FOWLER, GARY, GIBSON CITY, GILMAN, HAMMOND, JOLIET, KANKAKEE, KENTLAND, MERRILLVILLE, MINOOKA, MOROCCO, MORRIS, OXFORD, PAXTON, PONTIAC, PORTAGE, RENSSELAER, ROSELAWN, VALPARAISO, WATSEKA, AND WILMINGTON.
Flood Advisory
Issued: 2:43 AM Jul. 4, 2026 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 145 AM CDT SATURDAY... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of northeast Illinois, including the following counties, Cook and Will. * WHEN...Until 145 AM CDT. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Roads and streets may be flooded. * ADDITIONAL DETAILS... - At 943 PM CDT, Doppler radar indicated heavy rain due to thunderstorms with rainfall rates of 1 to 2 inches per hour. Some locations have already received multiple waves of rainfall, with additional thunderstorms moving into the area. Urban flooding of yards and roadways may begin shortly. - Some locations that may experience flooding include... Chicago, Joliet, Elgin, Cicero, Hammond, Arlington Heights, Evanston, Schaumburg, Palatine, Skokie, Des Plaines, Orland Park, Tinley Park, Oak Lawn, Berwyn, Mount Prospect, Hoffman Estates, Oak Park, Glenview and Buffalo Grove. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. &&
Flood Advisory
Issued: 2:23 AM Jul. 4, 2026 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 115 AM CDT SATURDAY... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of northeast Illinois, including the following counties, DuPage, Kane, Kendall and Will. * WHEN...Until 115 AM CDT. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Roads and streets may be flooded. * ADDITIONAL DETAILS... - At 922 PM CDT, Doppler radar indicated heavy rain due to thunderstorms with rainfall rates of 1 to 2 inches per hour. Due to earlier heavy rainfall, street and yard flooding may begin shortly after the onset of rainfall. - Some locations that may experience flooding include... Chicago, Aurora, Joliet, Naperville, Elgin, Schaumburg, Bolingbrook, Orland Park, Wheaton, Downers Grove, Elmhurst, Lombard, Bartlett, Streamwood, Carol Stream, Romeoville, Plainfield, Hanover Park, Addison and Glendale Heights. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. &&
Flood Watch
Issued: 1:32 AM Jul. 4, 2026 – National Weather Service
...FLOOD WATCH IN EFFECT UNTIL 4 AM CDT SATURDAY... * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of Illinois, including the following areas, Central Cook, De Kalb, DuPage, Eastern Will, Grundy, Kane, Kendall, La Salle, Lake IL, Northern Cook, Northern Will, Southern Cook and Southern Will and northwest Indiana, including the following area, Lake IN. * WHEN...Until 4 AM CDT Saturday. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Roads and streets may be flooded. * ADDITIONAL DETAILS... - Multiple rounds of heavy rainfall from thunderstorms possible across the area this evening into the overnight. Rain rates in excess of 1 to 2 inches per hour over areas that have previously received heavy rainfall may lead to flooding. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. &&
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