{"url_path":"/weather/alerts/2.49.0.1.840.0.38a22d833d717780bccb5e916b11f01721ed4dfc.003.1","section_key":"alert","section_title":"Flood Watch issued May 18 at 1:56PM CDT until May 19 at 1:00PM 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%3A2.49.0.1.840.0.38a22d833d717780bccb5e916b11f01721ed4dfc.003.1","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":169,"has_tables":false,"body_markdown":"# Flood Watch: Flood Watch issued May 18 at 1:56PM CDT until May 19 at 1:00PM CDT by NWS St Louis MO\n\n**Severity:** Severe\n**Certainty:** Possible\n**Urgency:** Future\n**Areas:** Madison; St. Clair; Monroe; Lincoln; St. Charles; St. Louis; St. Louis City; Jefferson\n**Issued by:** NWS St Louis MO\n**Sent:** 2026-05-18T13:56:00-05:00\n**Effective:** 2026-05-18T13:56:00-05:00\n**Expires:** 2026-05-19T05:00:00-05:00\n\n## Description\n* WHAT...Flash Flooding caused by excessive rainfall continues to be\npossible.\n\n* WHERE...Portions of southwest Illinois, including the following\nareas, Madison IL, Monroe IL and Saint Clair IL and east central\nMissouri, including the following areas, Jefferson MO, Lincoln MO,\nSaint Charles MO, Saint Louis City MO and Saint Louis MO.\n\n* WHEN...Through Tuesday afternoon.\n\n* IMPACTS...Excessive runoff may result in flooding of rivers,\ncreeks, streams, and other low-lying and flood-prone locations.\n\n* ADDITIONAL DETAILS...\n- Potential rainfall amounts of 2 to 4 inches, with localized\nhigher amounts of 4 to 6 inches.\n\n## Instructions\nYou should monitor later forecasts and be alert for possible Flood\nWarnings. Those living in areas prone to flooding should be prepared\nto take action should flooding develop."}