Winter Storm Warning Moccasin, Montana

Winter alerts in Moccasin, newest first, in effect or ended
Alert	State	Severity	Places
Winter Storm WarningEnded Heavy snow. Issued October 9 Ended October 12, 2026	Montana	Severe	87 places Moccasin Great Falls Helena Valley West Central Lewistown Malmstrom AFB North Browning Conrad South Browning Choteau Sun Prairie and 77 more
Winter Storm WatchEnded Up to 7 inches of snow possible, gusts up to 30 mph. Issued October 8 Ended October 9, 2026	Montana	Severe	75 places Moccasin Great Falls Helena Helena Valley Southeast Helena Valley West Central Helena Valley Northwest Malmstrom AFB Helena Valley Northeast Big Sky Montana City and 65 more
Winter Storm WarningEnded 2 to 8 inches of snow possible, heaviest over northwestern Judith Basin county, gusts up to 50 mph. Issued April 21 Ended April 25, 2026	Montana	Severe	11 places Moccasin Stanford Hobson Geyser Neihart Windham Raynesford Monarch Sapphire Ridge Utica and 1 more
Winter Storm WatchEnded 5 to 11 inches of snow, with higher amounts over the mountain peaks, gusts up to 50 mph. Issued April 20 Ended April 22, 2026	Montana	Severe	11 places Moccasin Stanford Hobson Geyser Neihart Windham Raynesford Monarch Sapphire Ridge Utica and 1 more
Winter Weather AdvisoryEnded 3 to 8 inches of snow, gusts up to 35 mph. Issued March 31 Ended April 3, 2026	Montana	Moderate	69 places Moccasin Great Falls Lewistown Malmstrom AFB Montana City Clancy Sun Prairie Boulder Lincoln Black Eagle and 59 more
Winter Storm WatchEnded 7 to 14 inches of snow possible at and above pass level with 3 to 7 inches at lower elevations, gusts up to 40 mph. Issued March 30 Ended March 31, 2026	Montana	Severe	76 places Moccasin Great Falls Lewistown Malmstrom AFB Big Sky Montana City Clancy Sun Prairie West Yellowstone Boulder and 66 more
Winter Weather AdvisoryEnded 2 to 4 inches of snow, with a few isolated areas near 6 inches. Issued March 26 Ended March 26, 2026	Montana	Moderate	28 places Moccasin Lewistown Stanford Lewistown Heights Denton Moore Hobson Winifred Grass Range Roy and 18 more
Winter Storm WatchEnded Gusts up to 75 mph, 9 to 19 inches of snow possible, gusts up to 55 mph. Issued March 10 Ended March 12, 2026	Montana	Severe	118 places Moccasin Great Falls Lewistown Malmstrom AFB Shelby Cut Bank North Browning Conrad South Browning Choteau and 108 more
Winter Storm WarningEnded Gusts up to 95 mph, 6 to 15 inches of snow. Issued March 10 Ended March 15, 2026	Montana	Severe	75 places Moccasin Great Falls Lewistown Malmstrom AFB North Browning Conrad South Browning Choteau Sun Prairie Browning and 65 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 Moccasin Great Falls Havre Lewistown Malmstrom AFB Shelby Cut Bank North Browning Conrad South Browning and 136 more
Winter Weather AdvisoryEnded 1 to 3 inches of snow. Issued February 17 Ended February 19, 2026	Montana	Moderate	115 places Moccasin Bozeman Helena Belgrade Helena Valley Southeast Helena Valley West Central Lewistown Four Corners Helena Valley Northwest Dillon and 105 more
Cold Weather AdvisoryEnded Gusts up to 60 mph, wind chills as low as 30 below zero. Issued February 17 Ended February 19, 2026	Montana	Moderate	153 places Moccasin Great Falls Havre Helena Valley West Central Lewistown Malmstrom AFB Shelby Cut Bank North Browning Conrad and 143 more
Winter Weather AdvisoryEnded Another 1 to 3 inches of snow overnight. Issued February 9 Ended February 10, 2026	Montana	Moderate	26 places Moccasin Lewistown Stanford Lewistown Heights Denton Moore Hobson Winifred Grass Range Roy and 16 more
Winter Weather AdvisoryEnded 3 to 5 inches of snow, near 12 inches of snow at ridge tops. Issued February 8 Ended February 9, 2026	Montana	Moderate	67 places Moccasin Helena Helena Valley Southeast Lewistown Helena Valley Northwest Helena Valley Northeast Big Sky Montana City East Helena Clancy and 57 more
Winter Weather AdvisoryEnded Gusts up to 45 mph. Issued January 25 Ended January 26, 2026	Montana	Moderate	11 places Moccasin Stanford Hobson Geyser Neihart Windham Raynesford Monarch Sapphire Ridge Utica and 1 more
Winter Weather AdvisoryEnded Up to 5 inches of snow, gusts up to 35 mph. Issued January 23 Ended January 26, 2026	Montana	Moderate	28 places Moccasin Lewistown Stanford Lewistown Heights Denton Moore Hobson Winifred Grass Range Roy and 18 more
Cold Weather AdvisoryEnded Wind chills as low as 35 below zero. Issued December 26 Ended December 28, 2025	Montana	Moderate	113 places Moccasin Great Falls Lewistown Malmstrom AFB Shelby Cut Bank North Browning Conrad South Browning Choteau and 103 more
Winter Storm WarningEnded 6 to 12 inches of snow. Issued December 11 Ended December 13, 2025	Montana	Severe	83 places Moccasin Havre Lewistown Shelby Fort Belknap Agency Fort Benton Chinook Rocky Boy West Hays Chester and 73 more
Winter Weather AdvisoryEnded Another 2 to 7 inches of snow, gusts up to 40 mph, 6 to 12 inches of snow, with localized amounts approaching 20 inches in the Island Ranges, gusts up to 35 mph. Issued December 10 Ended December 12, 2025	Montana	Moderate	47 places Moccasin Lewistown Fort Benton Rocky Boy West Hays Big Sandy Rocky Boy's Agency Stanford Parker School Boneau and 37 more
Winter Storm WatchEnded 2 to 4 inches of snow on Marias Pass, and up to 7 inches at ridge tops, 7 to 12 inches of snow possible along Marias Pass, with over a foot of snow at the higher peaks. Issued December 9 Ended December 13, 2025	Montana	Severe	146 places Moccasin Great Falls Havre Lewistown Malmstrom AFB Shelby Cut Bank North Browning Conrad South Browning and 136 more