Winter Storm Warning Big Sky Colony, Montana

Winter alerts in Big Sky Colony, newest first, in effect or ended
Alert	State	Severity	Places
Winter Weather AdvisoryEnded Snow. Issued October 9 Ended October 12, 2026	Montana	Moderate	57 places Big Sky Colony Havre Shelby Cut Bank Fort Belknap Agency Chinook Hays Chester Harlem Havre North and 47 more
Winter Weather AdvisoryEnded Gusts up to 65 mph. Issued March 15 Ended March 16, 2026	Montana	Moderate	38 places Big Sky Colony Cut Bank North Browning South Browning Choteau Browning Heart Butte Valier East Glacier Park Village Sunburst and 28 more
Winter Weather AdvisoryEnded 3 to 6 inches of snow, with up to 10 inches across southern Chouteau County. Issued March 12 Ended March 14, 2026	Montana	Moderate	43 places Big Sky Colony Shelby Cut Bank Fort Benton Rocky Boy West Hays Chester Big Sandy Valier Rocky Boy's Agency and 33 more
Winter Weather AdvisoryEnded 3 to 6 inches of snow, gusts up to 40 mph. Issued March 8 Ended March 9, 2026	Montana	Moderate	146 places Big Sky Colony Great Falls Havre Lewistown Malmstrom AFB Shelby Cut Bank North Browning Conrad South Browning and 136 more
Winter Weather AdvisoryEnded 2 to 6 inches of snow, with up to 10 inches at mountain peaks. Issued February 15 Ended February 17, 2026	Montana	Moderate	146 places Big Sky Colony Great Falls Havre Helena Valley West Central Malmstrom AFB Big Sky Shelby Cut Bank Montana City North Browning and 136 more
Winter Weather AdvisoryEnded 2 to 5 inches of snow, with isolated amounts approaching 7 inches along and east of the Interstate 15 corridor. Issued December 11 Ended December 13, 2025	Montana	Moderate	76 places Big Sky Colony Bozeman Helena Belgrade Helena Valley Southeast Four Corners Helena Valley Northwest Helena Valley Northeast Cut Bank Montana City and 66 more
Winter Weather AdvisoryEnded 2 to 4 inches of snow on Marias Pass, and up to 7 inches at ridge tops. Issued December 9 Ended December 10, 2025	Montana	Moderate	161 places Big Sky Colony Great Falls Helena Havre Helena Valley Southeast Helena Valley West Central Lewistown Helena Valley Northwest Malmstrom AFB Helena Valley Northeast and 151 more
Winter Weather AdvisoryEnded 4 to 8 inches of snow at Marias Pass, with 12 to 16 inches at the higher peaks. Issued November 22 Ended November 24, 2025	Montana	Moderate	66 places Big Sky Colony Havre Shelby Cut Bank Fort Belknap Agency Chinook Hays Chester Harlem Havre North and 56 more