Weather alerts in Montana, December 2025

190 weather alerts in December 2025, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

Each county as a circle sized by its count in December 2025. Tap one for its archive.

Alerts: 190
Warnings: 50
Watches: 32
Advisories: 69
Busiest day: December 27, 202519 alerts

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.

Issued	Product	Office	Counties	Lasted
Dec 1, 2:17 PM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon, Carter, Custer, Powder River, Rosebud and 3 more	42 hr
Dec 1, 6:55 PM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	10 hr
Dec 1, 9:52 PM MST	Special Weather Statement	BYZ	Sweet Grass	68 min
Dec 1, 11:09 PM MST	Special Weather Statement	BYZ	Sweet Grass	2 hr
Dec 2, 12:25 PM MST	Winter Storm Warning	TFX	Fergus	17 hr
Dec 3, 1:26 PM MST	Winter Storm Watch	MSO	Flathead, Granite, Lake, Mineral, Missoula, Powell and 2 more	46 hr
Dec 3, 1:33 PM MST	Winter Storm Watch	TFX	Beaverhead, Broadwater, Cascade, Chouteau, Gallatin, Glacier and 6 more	48 hr
Dec 4, 2:19 AM MST	Winter Storm Warning	TFX	Beaverhead, Broadwater, Cascade, Chouteau, Gallatin, Judith Basin and 3 more	60 hr
Dec 4, 3:43 AM MST	Winter Storm Warning	BYZ	Carbon, Park, Stillwater, Sweet Grass, Wheatland	68 hr
Dec 4, 3:43 AM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon	61 hr
Dec 4, 9:45 AM MST	Winter Weather Advisory	GGW	Dawson, Richland, Roosevelt	17 hr
Dec 4, 1:02 PM MST	Winter Storm Warning	MSO	Granite, Lake, Mineral, Missoula, Powell, Ravalli and 1 more	45 hr
Dec 4, 1:02 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Missoula and 4 more	45 hr
Dec 4, 1:46 PM MST	Winter Weather Advisory	TFX	Broadwater, Gallatin, Jefferson	18 hr
Dec 5, 3:10 AM MST	Winter Weather Advisory	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	33 hr
Dec 5, 3:44 AM MST	Winter Weather Advisory	TFX	Beaverhead, Blaine, Broadwater, Chouteau, Fergus, Gallatin and 9 more	41 hr
Dec 5, 1:19 PM MST	Wind Advisory	BYZ	Park	12 hr
Dec 5, 8:18 PM MST	Special Weather Statement	BYZ	Stillwater	42 min
Dec 6, 10:28 AM MST	Special Weather Statement	MSO	Powell	62 min
Dec 6, 12:11 PM MST	Special Weather Statement	MSO	Missoula	64 min
Dec 6, 1:59 PM MST	Cold Weather Advisory	GGW	Daniels, Roosevelt, Sheridan, Valley	18 hr
Dec 6, 8:50 PM MST	Special Weather Statement	MSO	Powell	55 min
Dec 6, 9:28 PM MST	Special Weather Statement	MSO	Powell	62 min
Dec 7, 1:17 AM MST	High Wind Watch	BYZ	Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 9 more	36 hr
Dec 7, 1:17 AM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	40 hr
Dec 7, 1:45 AM MST	High Wind Watch	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	24 hr
Dec 7, 2:47 AM MST	High Wind Watch	TFX	Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 10 more	25 hr
Dec 7, 12:14 PM MST	Flood Watch	MSO	Flathead, Lake, Lincoln, Mineral, Sanders	4 days
Dec 7, 12:38 PM MST	Wind Advisory	MSO	Flathead, Lake, Lincoln, Mineral, Missoula, Sanders	46 hr
Dec 7, 2:44 PM MST	Winter Storm Watch	BYZ	Carbon, Park, Stillwater, Sweet Grass	10 hr
Dec 8, 12:51 AM MST	Winter Storm Warning	BYZ	Carbon, Park, Stillwater, Sweet Grass	61 hr
Dec 8, 1:10 AM MST	High Wind Warning	BYZ	Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 9 more	38 hr
Dec 8, 1:56 AM MST	High Wind Warning	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	42 hr
Dec 8, 2:00 AM MST	Winter Weather Advisory	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	35 hr
Dec 8, 3:28 AM MST	High Wind Warning	TFX	Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 10 more	36 hr
Dec 8, 2:08 PM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 8 more	58 hr
Dec 9, 12:42 AM MST	Winter Weather Advisory	MSO	Flathead, Granite, Lake, Missoula, Powell	34 hr
Dec 9, 3:17 AM MST	High Wind Watch	TFX	Glacier, Lewis and Clark, Pondera, Teton, Toole	12 hr
Dec 9, 3:20 AM MST	Winter Weather Advisory	TFX	Blaine, Cascade, Chouteau, Fergus, Glacier, Hill and 7 more	33 hr
Dec 9, 10:55 AM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	3 hr
Dec 9, 2:30 PM MST	Winter Weather Advisory	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	46 hr
Dec 9, 2:41 PM MST	Winter Storm Watch	GGW	Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 1 more	47 hr
Dec 9, 2:48 PM MST	Winter Storm Watch	TFX	Blaine, Cascade, Chouteau, Fergus, Glacier, Hill and 7 more	46 hr
Dec 9, 2:56 PM MST	High Wind Warning	TFX	Cascade, Fergus, Glacier, Judith Basin, Lewis and Clark, Madison and 3 more	46 hr
Dec 9, 3:15 PM MST	High Wind Watch	BYZ	Golden Valley, Sweet Grass, Wheatland	10 hr
Dec 9, 3:15 PM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	27 hr
Dec 9, 4:18 PM MST	Winter Storm Watch	BYZ	Big Horn, Carter, Custer, Fallon, Golden Valley, Musselshell and 8 more	46 hr
Dec 10, 1:16 AM MST	Wind Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Missoula and 4 more	42 hr
Dec 10, 1:20 AM MST	High Wind Warning	BYZ	Golden Valley, Park, Stillwater, Sweet Grass, Wheatland	37 hr
Dec 10, 12:41 PM MST	Winter Weather Advisory	TFX	Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 9 more	48 hr
Dec 10, 1:52 PM MST	Winter Storm Warning	GGW	McCone, Phillips, Richland, Roosevelt, Valley	22 hr
Dec 11, 12:33 AM MST	Areal Flood Advisory	MSO	Lincoln	10 hr
Dec 11, 2:22 AM MST	Winter Storm Warning	BYZ	Big Horn, Custer, Golden Valley, Musselshell, Park, Rosebud and 5 more	54 hr
Dec 11, 2:22 AM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon, Carter, Custer, Fallon, Park and 5 more	54 hr
Dec 11, 3:29 AM MST	River Flood Warning	MSO	Lincoln	26 hr
Dec 11, 6:17 AM MST	River Flood Warning	MSO	Lincoln	27 hr
Dec 11, 7:14 AM MST	Areal Flood Warning	MSO	Lincoln	10 hr
Dec 11, 8:09 AM MST	Areal Flood Warning	MSO	Sanders	9 hr
Dec 11, 11:09 AM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	3 hr
Dec 11, 12:40 PM MST	Winter Weather Advisory	MSO	Flathead, Lake	40 hr
Dec 11, 12:59 PM MST	Winter Storm Warning	TFX	Blaine, Cascade, Chouteau, Fergus, Glacier, Hill and 7 more	40 hr
Dec 11, 12:59 PM MST	Winter Weather Advisory	TFX	Broadwater, Gallatin, Glacier, Jefferson, Lewis and Clark, Madison and 3 more	40 hr
Dec 11, 1:01 PM MST	Cold Weather Advisory	TFX	Blaine, Glacier, Hill, Liberty, Pondera, Toole	21 hr
Dec 11, 1:33 PM MST	Winter Storm Warning	GGW	Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 2 more	42 hr
Dec 11, 1:33 PM MST	Winter Weather Advisory	GGW	Daniels, Richland, Roosevelt, Valley	42 hr
Dec 11, 1:54 PM MST	Cold Weather Advisory	GGW	Daniels, Dawson, McCone, Phillips, Richland, Roosevelt and 3 more	61 hr
Dec 11, 1:54 PM MST	Extreme Cold Warning	GGW	Daniels, Sheridan, Valley	22 hr
Dec 11, 11:57 PM MST	Ice Storm Warning	TFX	Broadwater, Lewis and Clark	8 hr
Dec 12, 12:34 PM MST	Cold Weather Advisory	TFX	Blaine	21 hr
Dec 13, 1:53 PM MST	High Wind Watch	TFX	Glacier, Pondera	5 hr
Dec 13, 1:53 PM MST	High Wind Watch	TFX	Cascade, Fergus, Glacier, Judith Basin, Lewis and Clark, Liberty and 3 more	24 hr
Dec 13, 6:55 PM MST	High Wind Warning	TFX	Glacier, Pondera	25 hr
Dec 13, 8:03 PM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	45 hr
Dec 14, 3:15 AM MST	High Wind Watch	BYZ	Golden Valley, Park, Stillwater, Sweet Grass, Wheatland	23 hr
Dec 14, 1:27 PM MST	Winter Storm Watch	MSO	Flathead, Lake	38 hr
Dec 14, 1:29 PM MST	High Wind Watch	GGW	Phillips	13 hr
Dec 14, 1:43 PM MST	High Wind Watch	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	45 hr
Dec 14, 1:54 PM MST	High Wind Watch	TFX	Blaine, Cascade, Chouteau, Hill, Judith Basin, Lewis and Clark and 3 more	13 hr
Dec 14, 1:54 PM MST	High Wind Watch	TFX	Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 11 more	24 hr
Dec 14, 1:54 PM MST	High Wind Warning	TFX	Blaine, Cascade, Chouteau, Fergus, Glacier, Hill and 8 more	44 hr
Dec 14, 1:57 PM MST	Winter Storm Watch	TFX	Glacier, Lewis and Clark, Pondera, Teton	36 hr
Dec 14, 8:22 PM MST	Flash Flood Watch	MSO	Flathead, Lincoln, Sanders	66 hr
Dec 15, 1:50 AM MST	Wind Advisory	MSO	Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 3 more	30 hr
Dec 15, 2:19 AM MST	High Wind Warning	GGW	Phillips	32 hr
Dec 15, 2:27 AM MST	High Wind Warning	BYZ	Carbon, Golden Valley, Park, Stillwater, Sweet Grass, Wheatland	36 hr
Dec 15, 11:46 AM MST	High Wind Watch	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	26 hr
Dec 15, 2:13 PM MST	High Wind Warning	TFX	Beaverhead, Blaine, Broadwater, Cascade, Chouteau, Fergus and 12 more	61 hr
Dec 16, 2:08 AM MST	Winter Storm Warning	TFX	Glacier, Lewis and Clark, Pondera, Teton	41 hr
Dec 16, 2:57 AM MST	Winter Storm Warning	MSO	Flathead, Lake	40 hr
Dec 16, 3:05 AM MST	High Wind Watch	BYZ	Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 9 more	11 hr
Dec 16, 10:26 AM MST	High Wind Warning	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	34 hr
Dec 16, 11:47 AM MST	Winter Storm Watch	MSO	Granite, Missoula, Ravalli	25 hr
Dec 16, 1:43 PM MST	High Wind Warning	BYZ	Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 9 more	39 hr
Dec 16, 1:44 PM MST	High Wind Warning	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	37 hr
Dec 16, 2:41 PM MST	Winter Weather Advisory	TFX	Beaverhead, Blaine, Cascade, Chouteau, Fergus, Gallatin and 4 more	32 hr
Dec 17, 2:48 AM MST	Winter Storm Watch	BYZ	Carbon, Park, Stillwater, Sweet Grass	11 hr
Dec 17, 3:08 AM MST	Blizzard Warning	GGW	Daniels, Dawson, McCone, Phillips, Richland, Roosevelt and 3 more	27 hr
Dec 17, 3:08 AM MST	Winter Weather Advisory	GGW	Garfield, Phillips, Prairie, Wibaux	16 hr
Dec 17, 3:15 AM MST	Cold Weather Advisory	GGW	Daniels, Phillips, Richland, Roosevelt, Sheridan, Valley	31 hr
Dec 17, 10:47 AM MST	Special Weather Statement	MSO	Granite	58 min
Dec 17, 12:09 PM MST	River Flood Advisory	MSO	Lincoln	17 hr
Dec 17, 12:43 PM MST	Winter Weather Advisory	MSO	Flathead, Granite, Lake, Mineral, Missoula, Ravalli and 1 more	70 hr
Dec 17, 12:47 PM MST	Snow Squall Warning	TFX	Cascade, Lewis and Clark	28 min
Dec 17, 1:45 PM MST	Winter Storm Warning	BYZ	Carbon, Park, Stillwater, Sweet Grass	60 hr
Dec 17, 1:45 PM MST	Winter Weather Advisory	BYZ	Fallon	18 hr
Dec 17, 2:25 PM MST	Winter Weather Advisory	TFX	Beaverhead, Gallatin, Glacier, Lewis and Clark, Madison, Pondera and 1 more	55 hr
Dec 17, 6:56 PM MST	Winter Weather Advisory	GGW	Garfield, Phillips, Prairie, Wibaux	11 hr
Dec 18, 12:26 AM MST	Winter Storm Warning	MSO	Granite, Missoula, Ravalli	41 hr
Dec 18, 2:43 AM MST	High Wind Watch	TFX	Cascade, Chouteau, Fergus, Glacier, Judith Basin, Lewis and Clark and 6 more	11 hr
Dec 18, 3:02 AM MST	High Wind Watch	BYZ	Big Horn, Carbon, Golden Valley, Wheatland	11 hr
Dec 18, 3:02 AM MST	High Wind Warning	BYZ	Big Horn, Carbon, Golden Valley, Park, Stillwater, Sweet Grass and 1 more	38 hr
Dec 18, 11:21 AM MST	Wind Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Missoula and 4 more	24 hr
Dec 18, 12:37 PM MST	Winter Weather Advisory	GGW	Daniels, Dawson, McCone, Phillips, Richland, Roosevelt and 3 more	19 hr
Dec 18, 1:42 PM MST	High Wind Warning	TFX	Beaverhead, Blaine, Broadwater, Cascade, Chouteau, Fergus and 12 more	28 hr
Dec 19, 1:56 AM MST	High Wind Warning	GGW	Phillips	13 hr
Dec 19, 3:17 AM MST	Winter Weather Advisory	BYZ	Fallon	6 hr
Dec 19, 3:17 AM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon, Rosebud, Stillwater, Sweet Grass	21 hr
Dec 19, 10:44 AM MST	Special Weather Statement	BYZ	Park	2 hr
Dec 19, 11:53 AM MST	Special Weather Statement	MSO	Silver Bow	37 min
Dec 19, 12:53 PM MST	Cold Weather Advisory	GGW	Daniels, Sheridan, Valley	20 hr
Dec 19, 1:50 PM MST	Special Weather Statement	MSO	Deer Lodge, Silver Bow	85 min
Dec 19, 2:16 PM MST	Winter Weather Advisory	TFX	Glacier, Lewis and Clark, Pondera, Teton	27 hr
Dec 19, 4:26 PM MST	Special Weather Statement	MSO	Ravalli	49 min
Dec 20, 2:45 AM MST	Winter Storm Watch	BYZ	Carbon, Park, Stillwater, Sweet Grass	11 hr
Dec 20, 2:13 PM MST	Winter Storm Warning	BYZ	Carbon, Park, Stillwater, Sweet Grass, Wheatland	63 hr
Dec 21, 2:21 AM MST	Winter Weather Advisory	BYZ	Golden Valley, Musselshell, Park, Stillwater, Sweet Grass, Wheatland	31 hr
Dec 21, 2:32 AM MST	Winter Weather Advisory	TFX	Beaverhead, Blaine, Broadwater, Chouteau, Gallatin, Glacier and 9 more	32 hr
Dec 21, 2:40 AM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	32 hr
Dec 21, 12:52 PM MST	Winter Weather Advisory	GGW	Dawson, Garfield, McCone, Phillips, Prairie, Richland and 2 more	13 hr
Dec 21, 7:39 PM MST	Special Weather Statement	BYZ	Big Horn	111 min
Dec 22, 7:40 AM MST	Special Weather Statement	BYZ	Custer, Fallon, Rosebud, Treasure	95 min
Dec 22, 12:33 PM MST	High Wind Watch	TFX	Madison	25 hr
Dec 22, 1:21 PM MST	Winter Weather Advisory	MSO	Granite, Lake, Missoula, Powell, Ravalli	25 hr
Dec 23, 10:07 AM MST	Winter Weather Advisory	TFX	Blaine, Hill, Liberty, Toole	17 hr
Dec 23, 12:55 PM MST	Special Weather Statement	MSO	Powell	65 min
Dec 23, 1:29 PM MST	High Wind Warning	TFX	Madison	31 hr
Dec 23, 9:24 PM MST	Dense Fog Advisory	MSO	Missoula, Ravalli	11 hr
Dec 24, 3:29 AM MST	Winter Storm Watch	TFX	Blaine, Cascade, Chouteau, Hill, Lewis and Clark, Liberty and 3 more	11 hr
Dec 24, 9:32 AM MST	Special Weather Statement	BYZ	Custer	118 min
Dec 24, 11:37 AM MST	Special Weather Statement	BYZ	Custer	113 min
Dec 24, 12:59 PM MST	Dense Fog Advisory	BYZ	Custer, Rosebud	16 hr
Dec 24, 1:38 PM MST	Winter Weather Advisory	GGW	Daniels, Phillips, Valley	21 hr
Dec 24, 1:53 PM MST	Dense Fog Advisory	TFX	Blaine, Cascade, Chouteau, Fergus, Glacier, Hill and 6 more	17 hr
Dec 24, 2:02 PM MST	Winter Weather Advisory	TFX	Blaine, Cascade, Chouteau, Glacier, Hill, Lewis and Clark and 4 more	17 hr
Dec 25, 8:05 AM MST	Dense Fog Advisory	MSO	Granite, Lake, Mineral, Missoula, Powell, Ravalli and 1 more	5 hr
Dec 25, 10:41 AM MST	Dense Fog Advisory	GGW	Daniels, Phillips, Roosevelt, Sheridan, Valley	16 hr
Dec 25, 1:10 PM MST	High Wind Warning	TFX	Madison	29 hr
Dec 25, 1:18 PM MST	Winter Weather Advisory	TFX	Beaverhead, Gallatin, Glacier, Lewis and Clark, Madison, Pondera and 1 more	53 hr
Dec 25, 1:45 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	54 hr
Dec 25, 1:52 PM MST	Wind Advisory	MSO	Deer Lodge, Granite, Lake, Missoula, Powell, Ravalli and 1 more	39 hr
Dec 26, 12:31 AM MST	Winter Weather Advisory	TFX	Beaverhead, Broadwater, Cascade, Chouteau, Gallatin, Judith Basin and 3 more	41 hr
Dec 26, 12:11 PM MST	Special Weather Statement	TFX	Cascade	49 min
Dec 26, 12:23 PM MST	Severe Thunderstorm Warning	TFX	Cascade, Chouteau, Teton	38 min
Dec 26, 12:34 PM MST	Special Weather Statement	TFX	Gallatin	41 min
Dec 26, 12:59 PM MST	Special Weather Statement	TFX	Chouteau	31 min
Dec 26, 1:04 PM MST	Special Weather Statement	BYZ	Sweet Grass	41 min
Dec 26, 1:06 PM MST	Special Weather Statement	TFX	Judith Basin, Meagher	39 min
Dec 26, 1:43 PM MST	Special Weather Statement	TFX	Toole	47 min
Dec 26, 1:49 PM MST	Special Weather Statement	TFX	Judith Basin, Meagher	41 min
Dec 26, 1:55 PM MST	Special Weather Statement	TFX	Fergus	50 min
Dec 26, 1:59 PM MST	Cold Weather Advisory	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	60 hr
Dec 26, 2:17 PM MST	Cold Weather Advisory	TFX	Cascade, Chouteau, Fergus, Glacier, Judith Basin, Lewis and Clark and 5 more	45 hr
Dec 26, 2:17 PM MST	Extreme Cold Warning	TFX	Blaine, Chouteau, Glacier, Hill, Liberty, Pondera and 1 more	45 hr
Dec 26, 2:24 PM MST	Special Weather Statement	TFX	Liberty	51 min
Dec 26, 2:29 PM MST	Special Weather Statement	TFX	Judith Basin	46 min
Dec 26, 2:52 PM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon, Stillwater, Sweet Grass	32 hr
Dec 26, 3:13 PM MST	Special Weather Statement	TFX	Fergus	47 min
Dec 26, 9:40 PM MST	Snow Squall Warning	MSO	Mineral	65 min
Dec 26, 10:33 PM MST	Special Weather Statement	MSO	Mineral	42 min
Dec 27, 12:51 AM MST	Cold Weather Advisory	BYZ	Carter, Custer, Fallon, Golden Valley, Rosebud, Wheatland	37 hr
Dec 27, 7:54 AM MST	Special Weather Statement	MSO	Missoula	36 min
Dec 27, 8:33 AM MST	Snow Squall Warning	TFX	Pondera, Teton	42 min
Dec 27, 8:43 AM MST	Snow Squall Warning	MSO	Missoula	32 min
Dec 27, 9:15 AM MST	Snow Squall Warning	TFX	Cascade, Lewis and Clark, Teton	45 min
Dec 27, 9:17 AM MST	Snow Squall Warning Significant damage threat	MSO	Granite, Missoula	32 min
Dec 27, 10:00 AM MST	Special Weather Statement	TFX	Cascade	45 min
Dec 27, 10:37 AM MST	Special Weather Statement	BYZ	Big Horn, Rosebud, Treasure, Yellowstone	83 min
Dec 27, 12:00 PM MST	Snow Squall Warning	TFX	Broadwater, Jefferson, Lewis and Clark, Meagher	60 min
Dec 27, 12:11 PM MST	Special Weather Statement	BYZ	Big Horn	64 min
Dec 27, 12:37 PM MST	Snow Squall Warning	TFX	Broadwater, Gallatin, Jefferson	53 min
Dec 27, 12:58 PM MST	Special Weather Statement	TFX	Lewis and Clark	62 min
Dec 27, 1:27 PM MST	Special Weather Statement	TFX	Broadwater	63 min
Dec 27, 1:37 PM MST	Special Weather Statement	MSO	Missoula	23 min
Dec 27, 1:43 PM MST	Special Weather Statement	MSO	Flathead	32 min
Dec 27, 2:10 PM MST	Special Weather Statement	MSO	Missoula	35 min
Dec 27, 4:37 PM MST	Special Weather Statement	BYZ	Stillwater	53 min
Dec 28, 6:42 PM MST	High Wind Warning	TFX	Glacier, Pondera, Toole	10 hr
Dec 30, 12:12 AM MST	High Wind Watch	TFX	Glacier, Pondera, Toole	14 hr
Dec 31, 12:46 PM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	12 hr
Dec 31, 4:44 PM MST	Dense Fog Advisory	GGW	Phillips, Valley	60 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

Product	Alerts
Severe storms
Severe Thunderstorm Warning	1
Special Weather Statement	39
Flooding
Areal Flood Warning	2
River Flood Warning	2
Flash Flood Watch	1
Flood Watch	1
Areal Flood Advisory	1
River Flood Advisory	1
Winter
Blizzard Warning	1
Ice Storm Warning	1
Snow Squall Warning	8
Winter Storm Warning	14
Winter Storm Watch	12
Winter Weather Advisory	39
Cold
Extreme Cold Warning	2
Cold Weather Advisory	9
Wind and dust
High Wind Warning	19
High Wind Watch	18
Wind Advisory	13
Fog and smoke
Dense Fog Advisory	6

By county

Every county with at least one alert. A county page lists each alert that covered it.

16 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2024 2026

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.