{"url_path":"/weather/alerts/2.49.0.1.840.0.48779a75aa9140d3bc6f838bfaf27106246237f5.002.1","section_key":"alert","section_title":"Winter Storm Warning issued May 18 at 12:46PM MDT until May 18 at 6:00PM MDT by NWS Riverton WY","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-05-18","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.48779a75aa9140d3bc6f838bfaf27106246237f5.002.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Riverton WY"},"word_count":142,"has_tables":false,"body_markdown":"# Winter Storm Warning: Winter Storm Warning issued May 18 at 12:46PM MDT until May 18 at 6:00PM MDT by NWS Riverton WY\n\n**Severity:** Severe\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Wind River Mountains East\n**Issued by:** NWS Riverton WY\n**Sent:** 2026-05-18T12:46:00-06:00\n**Effective:** 2026-05-18T12:46:00-06:00\n**Expires:** 2026-05-18T18:00:00-06:00\n\n## Description\n* WHAT...Heavy snow. Additional snow accumulations up to 2 inches,\nwith 4 to 6 inches at the highest elevations. Winds gusting as\nhigh as 40 mph.\n\n* WHERE...Wind River Mountains East.\n\n* WHEN...Until 6 PM MDT this evening.\n\n* IMPACTS...Travel will be very difficult, especially over South\nPass.\n\n## Instructions\nIf you must travel, keep an extra flashlight, food, and water in\nyour vehicle in case of an emergency.\n\nFor graphical depictions of the snowfall forecast, including the\nofficial NWS forecast, high end amounts, and low end amounts, visit\nhttps://weather.gov/riw/winter .\n\nFor winter road conditions from the Wyoming Department of\nTransportation, visit https://wyoroad.info ."}