{"url_path":"/weather/alerts/2.49.0.1.840.0.36525380bf2fc42c4fc63779577e0fa9690fde88.003.2","section_key":"alert","section_title":"Frost Advisory issued May 18 at 11:36AM MDT until May 19 at 8:00AM MDT by NWS Denver CO","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-05-18","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.36525380bf2fc42c4fc63779577e0fa9690fde88.003.2","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Denver CO"},"word_count":137,"has_tables":false,"body_markdown":"# Frost Advisory: Frost Advisory issued May 18 at 11:36AM MDT until May 19 at 8:00AM MDT by NWS Denver CO\n\n**Severity:** Minor\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Larimer County Below 6000 Feet/Northwest Weld County; Northeast Weld County; Central and South Weld County; Morgan County; Central and East Adams and Arapahoe Counties; North and Northeast Elbert County Below 6000 Feet/North Lincoln County; Southeast Elbert County Below 6000 Feet/South Lincoln County; Logan County; Washington County; Sedgwick County; Phillips County\n**Issued by:** NWS Denver CO\n**Sent:** 2026-05-18T11:36:00-06:00\n**Effective:** 2026-05-18T11:36:00-06:00\n**Expires:** 2026-05-19T06:00:00-06:00\n\n## Description\n* WHAT...Temperatures as low as 32 will result in frost formation.\n\n* WHERE...Most of the northeast plains of Colorado.\n\n* WHEN...From midnight tonight to 8 AM MDT Tuesday.\n\n* IMPACTS...Frost conditions could harm sensitive vegetation.\n\n## Instructions\nTake steps now to protect tender plants from the cold. Cover\nsensitive outdoor vegetation with blankets or buckets."}