{"url_path":"/weather/alerts/2.49.0.1.840.0.8aa6229a664fe2ea8635bae1772cbeeeeff8f71e.002.1","section_key":"alert","section_title":"Winter Weather Advisory issued May 16 at 12:29PM MDT until May 18 at 12:00AM MDT by NWS Great Falls MT","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-05-16","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.8aa6229a664fe2ea8635bae1772cbeeeeff8f71e.002.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Great Falls MT"},"word_count":188,"has_tables":false,"body_markdown":"# Winter Weather Advisory: Winter Weather Advisory issued May 16 at 12:29PM MDT until May 18 at 12:00AM MDT by NWS Great Falls MT\n\n**Severity:** Moderate\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** East Glacier Park Region; Southern Rocky Mountain Front; Upper Blackfoot and MacDonald Pass; Elkhorn and Boulder Mountains\n**Issued by:** NWS Great Falls MT\n**Sent:** 2026-05-16T12:29:00-06:00\n**Effective:** 2026-05-16T12:29:00-06:00\n**Expires:** 2026-05-17T03:30:00-06:00\n\n## Description\n* WHAT...Snow expected. Total snow accumulations between 2 and 6\ninches over most mountain passes, with up to 12 inches over the\nhighest peaks. Winds gusting as high as 40 mph.\n\n* WHERE...The Continental Divide along the Rocky Mountain Front,\nUpper Blackfoot and MacDonald Pass, and Elkhorn and Boulder\nMountains.\n\n* WHEN...From midnight tonight to midnight MDT Sunday Night.\n\n* IMPACTS...Plan on slippery backcountry road conditions. Wet and\nraw conditions may create hypothermia risk for those recreating in\nthe backcountry.\n\n## Instructions\nSlow down and use caution while traveling. The latest road\nconditions can be obtained by calling 5 1 1 or visiting the MDT Road\nReport website.\n\nTo see a graphical representation of the degree of stress on young\nlivestock please visit our webpage and select Local Programs then\nCold Air Advisory for Newborn Livestock."}