{"url_path":"/weather/alerts/2.49.0.1.840.0.e2138cfbb2a05daf03425c7e2508ebc5ada44458.003.1","section_key":"alert","section_title":"Winter Storm Warning issued May 18 at 2:41PM MDT until May 18 at 6:00PM MDT by NWS Cheyenne WY","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.e2138cfbb2a05daf03425c7e2508ebc5ada44458.003.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Cheyenne WY"},"word_count":192,"has_tables":false,"body_markdown":"# Winter Storm Warning: Winter Storm Warning issued May 18 at 2:41PM MDT until May 18 at 6:00PM MDT by NWS Cheyenne WY\n\n**Severity:** Severe\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Ferris/Seminoe/Shirley Mountains\n**Issued by:** NWS Cheyenne WY\n**Sent:** 2026-05-18T14:41:00-06:00\n**Effective:** 2026-05-18T14:41:00-06:00\n**Expires:** 2026-05-18T18:00:00-06:00\n\n## Description\n* WHAT...Snow. Additional snow accumulations up to three inches.\n\n* WHERE...North Snowy Range Foothills including Arlington and Elk\nMountain along Interstate 80, and Ferris/Seminoe/Shirley Mountains.\n\n* WHEN...Until 6 PM MDT this evening.\n\n* IMPACTS...Heavy wet snow. Roads, and especially bridges, will\nlikely become slick and hazardous.\n\n## Instructions\nIf you must travel, keep an extra flashlight, food, and water in\nyour vehicle in case of an emergency. The latest road conditions for\nthe state you are calling from can be obtained by calling 5 1 1.\n\nPersons should delay all travel if possible. If travel is absolutely\nnecessary, drive with extreme caution and be prepared for sudden\nchanges in visibility. Leave plenty of room between you and the\nmotorist ahead of you, and allow extra time to reach your\ndestination. Avoid sudden braking or acceleration, and be especially\ncautious on hills or when making turns. Make sure your car is\nwinterized and in good working order."}