{"url_path":"/weather/alerts/2.49.0.1.840.0.e7136d112794fe4c2bb3e2230163c0503280cf9a.003.1","section_key":"alert","section_title":"High Wind Warning issued May 13 at 12:38PM MDT until May 13 at 9:00PM MDT by NWS Great Falls MT","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-05-13","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.e7136d112794fe4c2bb3e2230163c0503280cf9a.003.1","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":194,"has_tables":false,"body_markdown":"# High Wind Warning: High Wind Warning issued May 13 at 12:38PM MDT until May 13 at 9:00PM MDT by NWS Great Falls MT\n\n**Severity:** Severe\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Big Belt, Bridger and Castle Mountains; Canyon Ferry Area; Missouri Headwaters; Madison River Valley; Gallatin Valley; Northwest Beaverhead County; Beaverhead and Western Madison below 6000ft; Ruby Mountains and Southern Beaverhead Mountains; Gallatin and Madison County Mountains and Centennial Mountains\n**Issued by:** NWS Great Falls MT\n**Sent:** 2026-05-13T12:38:00-06:00\n**Effective:** 2026-05-13T12:38:00-06:00\n**Expires:** 2026-05-13T21:00:00-06:00\n\n## Description\n* WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph.\n\n* WHERE...Southwestern Montana along and south of Interstate 90, Big\nBelt, Bridger and Castle Mountains, and Canyon Ferry Area.\n\n* WHEN...Until 9 PM MDT this evening.\n\n* IMPACTS...High winds may move loose debris, damage property and\ncause power outages. Travel could be difficult, especially for\nhigh profile vehicles.\n\n* ADDITIONAL DETAILS...Areas of blowing dust may create locally\nreduced visibility.\n\n## Instructions\nPeople are urged to secure loose objects that could be blown around\nor damaged by the wind.\n\nRemember, a High Wind Warning means that there is at least an 80%\nchance of 40 mph sustained winds or 58 mph wind gusts occurring\nduring the warning period."}