{"url_path":"/weather/alerts/2.49.0.1.840.0.e237756762b31828954ce34b07e117218e9a5baf.001.1","section_key":"alert","section_title":"Flash Flood Warning issued July 4 at 4:35PM CDT until July 4 at 9:30PM CDT by NWS Chicago IL","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-07-04","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.e237756762b31828954ce34b07e117218e9a5baf.001.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Chicago IL"},"word_count":230,"has_tables":false,"body_markdown":"# Flash Flood Warning: Flash Flood Warning issued July 4 at 4:35PM CDT until July 4 at 9:30PM CDT by NWS Chicago IL\n\n**Severity:** Severe\n**Certainty:** Likely\n**Urgency:** Immediate\n**Areas:** DuPage, IL; Will, IL\n**Issued by:** NWS Chicago IL\n**Sent:** 2026-07-04T16:35:00-05:00\n**Effective:** 2026-07-04T16:35:00-05:00\n**Expires:** 2026-07-04T21:30:00-05:00\n\n## Description\nFFWLOT\n\nThe National Weather Service in Chicago has issued a\n\n* Flash Flood Warning for...\nSouthern DuPage County in northeastern Illinois...\nNorthwestern Will County in northeastern Illinois...\n\n* Until 930 PM CDT.\n\n* At 435 PM CDT, Doppler radar and automated rain gauges indicated\nthunderstorms producing rainfall rates of up to 3 inches per hour\nacross the warned area. Additional rainfall amounts up to 3 inches\nor more are possible in the warned area. Significant flash\nflooding is ongoing or expected to begin shortly.\n\nHAZARD...Significant flash flooding.\n\nSOURCE...Radar and automated gauges.\n\nIMPACT...Rapid-onset, significant flooding of creeks, streams,\ndrainage ditches, low-lying areas, and poor drainage\nareas. Widespread street and underpass flooding.\nPossible flooding of structures. Possible flooding of\nhighways.\n\n* Some locations that will experience flash flooding include...\nAurora, Naperville, Bolingbrook, Downers Grove, Romeoville,\nWoodridge, Lemont, Burr Ridge, Westmont, Lisle, Darien,\nWarrenville, Willowbrook and Willow Springs.\n\n## Instructions\nA Flash Flood Warning means rapid-onset flooding is imminent or may\nalready be occurring. Persons along creeks, drainage ditches, and\nother waterways should take immediate precautions to protect life\nand property.\n\nTurn around, don't drown when encountering flooded roads. Most flood\ndeaths occur in vehicles."}