{"url_path":"/weather/alerts/2.49.0.1.840.0.48779a75aa9140d3bc6f838bfaf27106246237f5.007.1","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%3A2.49.0.1.840.0.48779a75aa9140d3bc6f838bfaf27106246237f5.007.1","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":149,"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:** East Sweetwater County\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 expected. Additional snow accumulations between\n1 and 3 inches. Lower amounts up to 1 inch in the Rock Springs\narea. Winds gusting as high as 60 mph.\n\n* WHERE...East Sweetwater County.\n\n* WHEN...Until 6 PM MDT this evening.\n\n* IMPACTS...Travel will be very difficult, especially along\nInterstate 80 due to the crosswind component.\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 ."}