{"url_path":"/weather/alerts/2.49.0.1.840.0.dbabff3a536120a3ca09dab0ff473b6cc62da205.002.1","section_key":"alert","section_title":"Flash Flood Warning issued May 18 at 3:17PM CDT until May 18 at 9:00PM CDT by NWS St Louis MO","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-05-18","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.dbabff3a536120a3ca09dab0ff473b6cc62da205.002.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS St Louis MO"},"word_count":198,"has_tables":false,"body_markdown":"# Flash Flood Warning: Flash Flood Warning issued May 18 at 3:17PM CDT until May 18 at 9:00PM CDT by NWS St Louis MO\n\n**Severity:** Severe\n**Certainty:** Likely\n**Urgency:** Immediate\n**Areas:** Bond, IL; Clinton, IL; Fayette, IL; Marion, IL; Washington, IL\n**Issued by:** NWS St Louis MO\n**Sent:** 2026-05-18T15:17:00-05:00\n**Effective:** 2026-05-18T15:17:00-05:00\n**Expires:** 2026-05-18T21:00:00-05:00\n\n## Description\nAt 317 PM CDT, Doppler radar indicated thunderstorms producing heavy\nrain across the warned area. Between 1 and 2 inches of rain have\nfallen. Additional rainfall amounts of 1 to 2 inches are possible in\nthe warned area. Flash flooding is ongoing or expected to begin\nshortly.\n\nHAZARD...Flash flooding caused by thunderstorms.\n\nSOURCE...Radar indicated.\n\nIMPACT...Flash flooding of small creeks and streams, urban areas,\nhighways, streets and underpasses as well as other poor\ndrainage and low-lying areas.\n\nSome locations that will experience flash flooding include...\nBreese, New Baden, Carlyle, Trenton, Aviston, Okawville, St. Rose,\nGermantown, Albers, Wamac, Beckemeyer, Pocahontas, Tamalco, Beaver\nCreek, Jamestown, Boulder, Shattuc, New Memphis and Pleasant Mound.\n\nThis includes the following State Parks...\nCarlyle Lake State Fish and Wildlife Area and Eldon Hazlet State\nRecreation Area.\n\nThis includes Interstate 64 in Illinois near exit 34.\n\n## Instructions\nTurn around, don't drown when encountering flooded roads. Most flood\ndeaths occur in vehicles."}