The full briefing can be viewed in the video player above. UPDATE: THURSDAY 3/19/2026 10:58 a.m. (CUSTER COUNTY, Colo.) — The Buttermilk Fire burning in Custer County is 75% contained, and a possible cause has been determined, according to the latest update on Thursday, March 19. A briefing was he ld at 10 a.m. on Thursday [...] ...read more read less