{"url_path":"/weather/alerts/2.49.0.1.840.0.a8537a87a57a3acd75e0b873ec4b38c61fc5edd0.001.1","section_key":"alert","section_title":"Severe Thunderstorm Warning issued June 20 at 5:08PM MDT until June 20 at 6:15PM MDT by NWS Cheyenne WY","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-06-20","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.a8537a87a57a3acd75e0b873ec4b38c61fc5edd0.001.1","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":246,"has_tables":false,"body_markdown":"# Severe Thunderstorm Warning: Severe Thunderstorm Warning issued June 20 at 5:08PM MDT until June 20 at 6:15PM MDT by NWS Cheyenne WY\n\n**Severity:** Severe\n**Certainty:** Observed\n**Urgency:** Immediate\n**Areas:** Converse, WY; Goshen, WY; Niobrara, WY; Platte, WY\n**Issued by:** NWS Cheyenne WY\n**Sent:** 2026-06-20T17:08:00-06:00\n**Effective:** 2026-06-20T17:08:00-06:00\n**Expires:** 2026-06-20T18:15:00-06:00\n\n## Description\nSVRCYS\n\nThe National Weather Service in Cheyenne has issued a\n\n* Severe Thunderstorm Warning for...\nNiobrara County in east central Wyoming...\nNorthern Goshen County in southeastern Wyoming...\nNorthern Platte County in southeastern Wyoming...\nEastern Converse County in east central Wyoming...\n\n* Until 615 PM MDT.\n\n* At 508 PM MDT, severe thunderstorms were located along a line\nextending from 13 miles north of Manning Ranch to Bennett Hill\nCampground to near Harris Park, moving east at 45 mph.\n\nHAZARD...60 mph wind gusts.\n\nSOURCE...Radar indicated.\n\nIMPACT...Expect damage to roofs, siding, and trees.\n\n* Locations impacted include...\nLusk, Guernsey, Fort Laramie, Glendo, Manville, Hartville, Orin,\nVan Tassell, Mule Creek Junction, Sibley Peak, Dull Center,\nGuernsey State Park, Pine Ridge Estates, Prairie Center, Keeline,\nOregon Trail Ruts State Historic Site, Dwyer Junction, Fort Laramie\nNational Historic Site, Rawhide Buttes, and Bennett Hill\nCampground.\n\nThis includes Interstate 25 in Wyoming between mile markers 86 and\n124.\n\n## Instructions\nFor your protection move to an interior room on the lowest floor of a\nbuilding.\n\nWind damage with these storms will occur before any rain or\nlightning. Do not wait for the sound of thunder before taking cover.\nSEEK SHELTER IMMEDIATELY inside a sturdy structure and stay away from\nwindows."}