Weather alerts in Montana, December 2022

143 weather alerts in December 2022, 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 2022. Tap one for its archive.

Alerts: 143
Warnings: 30
Watches: 12
Advisories: 64
Busiest day: December 1, 20229 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, 4:48 AM MST	Winter Weather Advisory	MSO	Flathead, Lake, Sanders	13 hr
Dec 1, 7:42 AM MST	Wind Chill Advisory	TFX	Blaine, Chouteau, Fergus, Glacier, Hill, Lewis and Clark and 4 more	49 hr
Dec 1, 7:58 AM MST	Special Weather Statement	MSO	Missoula	77 min
Dec 1, 10:43 AM MST	Snow Squall Warning	MSO	Ravalli	47 min
Dec 1, 11:01 AM MST	Special Weather Statement	TFX	Ravalli	44 min
Dec 1, 3:55 PM MST	Special Weather Statement	MSO	Deer Lodge, Silver Bow	50 min
Dec 1, 4:12 PM MST	Snow Squall Warning Significant damage threat	MSO	Deer Lodge, Granite, Powell, Silver Bow	48 min
Dec 1, 4:42 PM MST	Mesoscale Discussion	SPC	Broadwater, Cascade, Deer Lodge, Fergus, Jefferson, Judith Basin and 3 more	4 hr
Dec 1, 4:56 PM MST	Snow Squall Warning	MSO	Silver Bow	19 min
Dec 1, 5:44 PM MST	Special Weather Statement	MSO	Flathead	31 min
Dec 1, 6:28 PM MST	Special Weather Statement	BYZ	Park	2 hr
Dec 2, 2:19 AM MST	Wind Chill Advisory	GGW	Daniels, Phillips, Richland, Roosevelt, Sheridan, Valley	32 hr
Dec 2, 3:48 AM MST	Winter Weather Advisory	TFX	Glacier, Lewis and Clark, Pondera, Teton	35 hr
Dec 2, 9:17 PM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	15 hr
Dec 3, 1:57 PM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon, Golden Valley, Musselshell, Park, Powder River and 6 more	49 hr
Dec 3, 2:36 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more	46 hr
Dec 3, 2:46 PM MST	Winter Weather Advisory	TFX	Beaverhead, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 6 more	45 hr
Dec 4, 1:39 PM MST	Winter Weather Advisory	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	57 hr
Dec 4, 2:10 PM MST	Winter Weather Advisory	TFX	Blaine, Cascade, Chouteau, Fergus, Glacier, Hill and 7 more	57 hr
Dec 4, 2:13 PM MST	Winter Storm Warning	MSO	Missoula, Ravalli	17 hr
Dec 4, 2:13 PM MST	Winter Weather Advisory	MSO	Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 2 more	55 hr
Dec 5, 7:03 AM MST	Winter Weather Advisory	MSO	Missoula, Ravalli	6 hr
Dec 5, 3:00 PM MST	Winter Weather Advisory	BYZ	Carter, Custer, Fallon, Musselshell, Park, Rosebud and 4 more	44 hr
Dec 5, 3:20 PM MST	Special Weather Statement	BYZ	Rosebud, Treasure	85 min
Dec 5, 6:48 PM MST	Winter Storm Warning	BYZ	Sweet Grass	5 hr
Dec 6, 2:07 AM MST	Wind Chill Advisory	GGW	Daniels, Dawson, McCone, Phillips, Richland, Roosevelt and 2 more	33 hr
Dec 6, 5:10 AM MST	Special Weather Statement	BYZ	Custer, Fallon, Golden Valley, Musselshell, Rosebud, Treasure and 1 more	3 hr
Dec 6, 2:23 PM MST	Blizzard Warning	TFX	Glacier, Lewis and Clark, Pondera, Teton	27 hr
Dec 6, 2:23 PM MST	Wind Chill Advisory	TFX	Blaine, Cascade, Chouteau, Fergus, Glacier, Hill and 6 more	21 hr
Dec 6, 2:23 PM MST	Winter Weather Advisory	TFX	Blaine, Cascade, Chouteau, Fergus, Glacier, Hill and 6 more	27 hr
Dec 6, 11:50 PM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	12 hr
Dec 7, 1:56 PM MST	High Wind Warning	BYZ	Sweet Grass, Wheatland	11 hr
Dec 7, 1:56 PM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	11 hr
Dec 8, 10:39 AM MST	Winter Weather Advisory	MSO	Flathead, Lincoln, Mineral, Missoula, Sanders	25 hr
Dec 8, 11:40 AM MST	Dense Fog Advisory	GGW	Valley	15 hr
Dec 8, 1:19 PM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	16 hr
Dec 9, 1:30 PM MST	Winter Storm Watch	BYZ	Big Horn, Carbon, Carter, Custer, Fallon, Musselshell and 5 more	62 hr
Dec 9, 1:51 PM MST	Winter Storm Watch	GGW	Dawson, Garfield, McCone, Prairie, Richland, Roosevelt and 3 more	61 hr
Dec 10, 11:39 AM MST	Special Weather Statement	BYZ	Park	111 min
Dec 10, 1:24 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more	49 hr
Dec 10, 1:41 PM MST	Winter Weather Advisory	TFX	Beaverhead, Blaine, Broadwater, Cascade, Chouteau, Fergus and 12 more	57 hr
Dec 10, 2:34 PM MST	Special Weather Statement	BYZ	Park	116 min
Dec 10, 5:54 PM MST	Special Weather Statement	BYZ	Park	3 hr
Dec 10, 9:10 PM MST	Special Weather Statement	BYZ	Park	3 hr
Dec 11, 2:11 AM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon, Golden Valley, Musselshell, Park, Stillwater and 3 more	49 hr
Dec 11, 2:40 PM MST	Winter Storm Warning	BYZ	Big Horn, Carbon, Carter, Custer, Fallon, Powder River and 2 more	4 days
Dec 12, 2:29 AM MST	Winter Storm Warning	GGW	Dawson, McCone, Prairie, Richland, Roosevelt, Sheridan and 1 more	3 days
Dec 12, 2:29 AM MST	Winter Weather Advisory	GGW	Daniels, Dawson, Garfield, McCone, Prairie, Richland and 4 more	4 days
Dec 12, 3:23 AM MST	Blizzard Warning	BYZ	Carter, Powder River	55 hr
Dec 13, 2:02 PM MST	Winter Weather Advisory	TFX	Broadwater, Cascade, Chouteau, Gallatin, Glacier, Jefferson and 5 more	36 hr
Dec 13, 2:48 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	36 hr
Dec 14, 2:32 AM MST	Winter Weather Advisory	BYZ	Big Horn, Carter, Custer, Fallon, Golden Valley, Powder River and 2 more	54 hr
Dec 14, 2:38 AM MST	Wind Chill Advisory	TFX	Blaine, Hill	6 hr
Dec 14, 3:33 PM MST	Special Weather Statement	BYZ	Golden Valley, Stillwater, Sweet Grass	117 min
Dec 14, 5:26 PM MST	Special Weather Statement	BYZ	Big Horn, Yellowstone	19 min
Dec 14, 5:58 PM MST	Special Weather Statement	BYZ	Big Horn, Treasure, Yellowstone	62 min
Dec 15, 11:25 AM MST	Blizzard Warning	GGW	Dawson, McCone, Prairie, Richland, Roosevelt, Sheridan and 1 more	22 hr
Dec 15, 11:34 AM MST	Blizzard Warning	BYZ	Carter, Custer, Fallon, Powder River	21 hr
Dec 15, 10:44 PM MST	Winter Weather Advisory	TFX	Cascade, Lewis and Clark	4 hr
Dec 16, 3:20 AM MST	Wind Chill Advisory	TFX	Blaine, Cascade, Chouteau, Fergus, Glacier, Hill and 7 more	3 days
Dec 16, 8:50 AM MST	Winter Weather Advisory	BYZ	Carter, Fallon	5 hr
Dec 16, 1:28 PM MST	Winter Weather Advisory	MSO	Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 3 more	71 hr
Dec 17, 1:52 AM MST	Winter Weather Advisory	TFX	Beaverhead, Blaine, Chouteau, Glacier, Hill, Lewis and Clark and 3 more	58 hr
Dec 17, 2:14 AM MST	Winter Weather Advisory	GGW	Daniels, McCone, Phillips, Roosevelt, Valley	33 hr
Dec 17, 2:02 PM MST	Special Weather Statement	BYZ	Park	118 min
Dec 17, 4:42 PM MST	Special Weather Statement	BYZ	Park	2 hr
Dec 18, 1:07 AM MST	Wind Chill Advisory	BYZ	Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 9 more	61 hr
Dec 18, 2:05 AM MST	Wind Chill Watch	TFX	Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 9 more	12 hr
Dec 18, 2:35 AM MST	Wind Chill Advisory	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	36 hr
Dec 18, 11:18 AM MST	Winter Storm Watch	MSO	Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more	45 hr
Dec 18, 2:17 PM MST	Winter Storm Warning	MSO	Flathead, Lake	21 hr
Dec 18, 2:28 PM MST	Wind Chill Warning	TFX	Beaverhead, Blaine, Broadwater, Cascade, Chouteau, Fergus and 12 more	5 days
Dec 18, 2:28 PM MST	Winter Storm Watch	TFX	Beaverhead, Broadwater, Cascade, Gallatin, Glacier, Jefferson and 5 more	24 hr
Dec 18, 2:47 PM MST	Wind Chill Warning	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	5 days
Dec 19, 12:52 PM MST	Winter Storm Warning	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	46 hr
Dec 19, 2:39 PM MST	Winter Storm Warning	TFX	Beaverhead, Broadwater, Cascade, Chouteau, Gallatin, Glacier and 7 more	44 hr
Dec 19, 2:39 PM MST	Winter Weather Advisory	TFX	Beaverhead, Blaine, Broadwater, Cascade, Chouteau, Fergus and 12 more	44 hr
Dec 19, 4:20 PM MST	Special Weather Statement	MSO	Missoula	25 min
Dec 20, 1:06 AM MST	Winter Storm Warning	BYZ	Carbon, Park, Stillwater, Sweet Grass, Wheatland	36 hr
Dec 20, 1:06 AM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 9 more	64 hr
Dec 20, 2:46 AM MST	Winter Weather Advisory	GGW	Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 4 more	30 hr
Dec 20, 12:50 PM MST	Mesoscale Discussion	SPC	Mineral, Sanders	4 hr
Dec 20, 1:36 PM MST	Special Weather Statement	MSO	Flathead, Sanders	54 min
Dec 20, 2:22 PM MST	Wind Chill Warning	BYZ	Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 9 more	70 hr
Dec 21, 8:44 AM MST	Wind Chill Warning	MSO	Deer Lodge, Flathead, Granite, Lake, Missoula, Powell and 3 more	27 hr
Dec 21, 9:04 AM MST	Blizzard Warning	TFX	Beaverhead, Madison	4 hr
Dec 21, 1:22 PM MST	Blizzard Warning	BYZ	Carter, Fallon	34 hr
Dec 21, 2:21 PM MST	Winter Weather Advisory	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	27 hr
Dec 21, 10:03 PM MST	Winter Weather Advisory	TFX	Blaine, Chouteau, Fergus, Hill	19 hr
Dec 22, 2:08 AM MST	Wind Chill Advisory	TFX	Beaverhead, Blaine, Broadwater, Cascade, Chouteau, Fergus and 12 more	54 hr
Dec 22, 2:20 AM MST	Blizzard Warning	GGW	Dawson, Richland, Wibaux	15 hr
Dec 22, 2:21 AM MST	High Wind Watch	TFX	Glacier, Lewis and Clark, Pondera, Teton, Toole	36 hr
Dec 22, 8:23 AM MST	Mesoscale Discussion	SPC	Fallon, Wibaux	4 hr
Dec 22, 9:44 AM MST	Special Weather Statement	BYZ	Sweet Grass	4 hr
Dec 22, 12:55 PM MST	Mesoscale Discussion	SPC	Fallon, Richland, Wibaux	4 hr
Dec 22, 2:44 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	3 days
Dec 22, 6:19 PM MST	Wind Chill Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Missoula, Powell and 3 more	17 hr
Dec 23, 2:13 AM MST	Winter Storm Watch	TFX	Glacier, Lewis and Clark, Pondera, Teton, Toole	12 hr
Dec 23, 10:39 AM MST	Winter Weather Advisory	TFX	Beaverhead, Blaine, Broadwater, Cascade, Chouteau, Fergus and 12 more	25 hr
Dec 23, 11:51 AM MST	Wind Chill Advisory	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	27 hr
Dec 23, 12:53 PM MST	Wind Chill Advisory	BYZ	Carter, Custer, Fallon, Rosebud	20 hr
Dec 23, 1:23 PM MST	Winter Storm Watch	MSO	Flathead, Lake, Lincoln, Mineral, Missoula, Sanders	15 hr
Dec 23, 2:41 PM MST	Blizzard Warning	TFX	Glacier, Lewis and Clark, Pondera, Teton, Toole	31 hr
Dec 23, 2:41 PM MST	Winter Weather Advisory	TFX	Blaine, Cascade, Chouteau, Glacier, Hill, Lewis and Clark and 4 more	50 hr
Dec 23, 6:16 PM MST	Special Weather Statement	BYZ	Sweet Grass	3 hr
Dec 23, 9:06 PM MST	Special Weather Statement	BYZ	Stillwater, Sweet Grass	4 hr
Dec 24, 1:30 AM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	32 hr
Dec 24, 4:13 AM MST	Winter Storm Warning	MSO	Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 3 more	32 hr
Dec 24, 4:13 AM MST	Winter Weather Advisory	MSO	Flathead, Lake, Sanders	15 hr
Dec 24, 1:34 PM MST	High Wind Watch	BYZ	Carter, Custer, Fallon	12 hr
Dec 24, 1:40 PM MST	High Wind Warning	TFX	Blaine, Cascade, Chouteau, Fergus, Glacier, Hill and 7 more	19 hr
Dec 24, 2:45 PM MST	Winter Weather Advisory	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	9 hr
Dec 24, 7:19 PM MST	Areal Flood Advisory	TFX	Gallatin	4 days
Dec 24, 7:22 PM MST	Winter Storm Warning	GGW	Daniels, Dawson, Garfield, McCone, Phillips, Prairie and 5 more	22 hr
Dec 25, 1:23 AM MST	High Wind Watch	TFX	Beaverhead, Gallatin, Madison	33 hr
Dec 25, 1:56 AM MST	Winter Weather Advisory	BYZ	Carter, Custer, Fallon	13 hr
Dec 25, 3:08 AM MST	Special Weather Statement	BYZ	Custer, Fallon	112 min
Dec 25, 10:11 AM MST	Blizzard Warning	GGW	Daniels, Roosevelt, Sheridan, Valley	7 hr
Dec 25, 12:31 PM MST	Winter Weather Advisory	MSO	Granite, Lake, Mineral, Missoula, Powell, Sanders	2 hr
Dec 26, 1:17 AM MST	High Wind Warning	TFX	Cascade, Fergus, Glacier, Judith Basin, Lewis and Clark, Madison and 3 more	55 hr
Dec 26, 1:30 AM MST	Winter Storm Watch	TFX	Beaverhead, Gallatin, Madison	9 hr
Dec 26, 1:45 AM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	49 hr
Dec 26, 5:16 AM MST	Special Weather Statement	BYZ	Custer, Fallon, Rosebud	3 hr
Dec 26, 8:08 AM MST	Winter Weather Advisory	MSO	Deer Lodge, Granite, Lake, Missoula, Powell, Silver Bow	2 hr
Dec 26, 10:27 AM MST	Winter Storm Warning	TFX	Beaverhead, Gallatin, Glacier, Lewis and Clark, Madison, Pondera and 1 more	46 hr
Dec 26, 10:33 AM MST	Winter Weather Advisory	MSO	Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 2 more	24 hr
Dec 26, 1:22 PM MST	Winter Weather Advisory	TFX	Glacier, Pondera	12 hr
Dec 27, 1:22 AM MST	High Wind Watch	TFX	Cascade, Fergus, Judith Basin	13 hr
Dec 27, 6:03 AM MST	Special Weather Statement	BYZ	Park	4 hr
Dec 27, 11:54 AM MST	Winter Weather Advisory	MSO	Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 2 more	26 hr
Dec 27, 2:14 PM MST	Special Weather Statement	BYZ	Carbon	3 hr
Dec 27, 4:30 PM MST	Special Weather Statement	TFX	Gallatin	30 min
Dec 27, 4:42 PM MST	Special Weather Statement	BYZ	Park	63 min
Dec 27, 5:07 PM MST	Special Weather Statement	TFX	Gallatin	38 min
Dec 27, 5:46 PM MST	Special Weather Statement	BYZ	Golden Valley, Stillwater, Sweet Grass	59 min
Dec 27, 6:27 PM MST	Special Weather Statement	BYZ	Musselshell, Yellowstone	93 min
Dec 28, 12:43 AM MST	Winter Weather Advisory	TFX	Blaine, Chouteau, Fergus, Glacier, Hill, Judith Basin and 5 more	27 hr
Dec 28, 2:10 AM MST	Winter Weather Advisory	GGW	Phillips	24 hr
Dec 28, 12:33 PM MST	Special Weather Statement	BYZ	Sweet Grass	117 min
Dec 29, 11:04 AM MST	Winter Weather Advisory	MSO	Flathead, Lincoln, Mineral, Missoula, Sanders	48 hr
Dec 30, 10:25 AM MST	Winter Weather Advisory	TFX	Beaverhead, Gallatin, Madison	26 hr
Dec 30, 4:44 PM MST	Special Weather Statement	TFX	Fergus, Hill, Liberty	61 min
Dec 31, 7:50 AM MST	Special Weather Statement	BYZ	Big Horn, Carbon, Park, Stillwater, Sweet Grass	115 min

By product

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

Product	Alerts
Severe storms
Mesoscale Discussion	4
Special Weather Statement	33
Flooding
Areal Flood Advisory	1
Winter
Blizzard Warning	9
Snow Squall Warning	3
Winter Storm Warning	11
Winter Storm Watch	7
Winter Weather Advisory	44
Cold
Wind Chill Warning	4
Wind Chill Watch	1
Wind Chill Advisory	12
Wind and dust
High Wind Warning	3
High Wind Watch	4
Wind Advisory	6
Fog and smoke
Dense Fog Advisory	1

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 2021 2023

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.