Weather alerts in Montana, December 2016

164 weather alerts in December 2016, 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 2016. Tap one for its archive.

Alerts: 164
Warnings: 39
Watches: 22
Advisories: 73
Busiest day: December 11, 201612 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, 2:40 PM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	3 days
Dec 2, 2:43 PM MST	Winter Storm Watch	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	43 hr
Dec 2, 2:43 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	20 hr
Dec 2, 3:02 PM MST	Winter Storm Watch	TFX		23 hr
Dec 3, 3:17 AM MST	Winter Storm Watch	BYZ	Carbon, Park, Stillwater, Sweet Grass	15 hr
Dec 3, 2:19 PM MST	Winter Storm Warning	MSO	Flathead, Granite, Lake, Mineral, Missoula, Powell and 2 more	45 hr
Dec 3, 2:19 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	45 hr
Dec 3, 2:22 PM MST	Winter Storm Warning	TFX		37 hr
Dec 3, 2:22 PM MST	Winter Weather Advisory	TFX		37 hr
Dec 3, 6:07 PM MST	Winter Storm Warning	BYZ	Carbon, Park, Stillwater, Sweet Grass	39 hr
Dec 4, 4:11 AM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon, Carter, Golden Valley, Musselshell, Park and 6 more	34 hr
Dec 4, 6:34 PM MST	Special Weather Statement	MSO	Missoula	26 min
Dec 4, 8:09 PM MST	Special Weather Statement	BYZ	Big Horn, Rosebud, Treasure, Yellowstone	81 min
Dec 5, 3:07 AM MST	Winter Weather Advisory	GGW	Sheridan	7 hr
Dec 5, 3:15 AM MST	Winter Weather Advisory	TFX		10 hr
Dec 5, 9:52 AM MST	Blizzard Warning	GGW	Richland, Roosevelt, Sheridan, Wibaux	13 hr
Dec 5, 10:05 AM MST	Winter Weather Advisory	GGW	Daniels, Dawson, McCone, Richland, Roosevelt, Wibaux	13 hr
Dec 5, 2:21 PM MST	Wind Chill Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Missoula, Powell and 3 more	46 hr
Dec 5, 2:25 PM MST	Wind Chill Advisory	TFX		48 hr
Dec 5, 4:33 PM MST	Special Weather Statement	TFX	Lewis and Clark	57 min
Dec 5, 4:42 PM MST	Special Weather Statement	BYZ	Fallon	5 hr
Dec 5, 10:45 PM MST	Wind Chill Advisory	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	36 hr
Dec 5, 10:45 PM MST	Winter Weather Advisory	GGW	Richland, Roosevelt, Sheridan, Wibaux	5 hr
Dec 5, 11:19 PM MST	Special Weather Statement	BYZ	Big Horn, Carbon, Park, Stillwater	4 hr
Dec 6, 9:38 AM MST	Wind Chill Advisory	BYZ	Carter, Custer, Fallon, Golden Valley, Powder River, Wheatland	49 hr
Dec 6, 11:39 AM MST	Special Weather Statement	BYZ	Park	6 min
Dec 6, 1:00 PM MST	Winter Weather Advisory	MSO	Flathead, Lake, Sanders	28 hr
Dec 6, 2:34 PM MST	Wind Chill Advisory	TFX		24 hr
Dec 6, 2:38 PM MST	Winter Storm Watch	MSO	Granite, Mineral, Missoula, Ravalli, Sanders	43 hr
Dec 7, 11:18 AM MST	Wind Chill Advisory	GGW	Daniels, Dawson, McCone, Phillips, Prairie, Richland and 4 more	25 hr
Dec 7, 2:54 PM MST	Winter Weather Advisory	TFX		3 days
Dec 8, 10:01 AM MST	Winter Weather Advisory	MSO	Granite, Mineral, Missoula, Ravalli, Sanders	23 hr
Dec 8, 11:59 AM MST	Wind Chill Advisory	GGW	Dawson, Garfield, McCone, Prairie, Richland, Roosevelt and 3 more	24 hr
Dec 9, 9:45 AM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon, Custer, Golden Valley, Musselshell, Park and 5 more	32 hr
Dec 9, 12:08 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	23 hr
Dec 9, 2:04 PM MST	Winter Weather Advisory	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	37 hr
Dec 9, 4:45 PM MST	Winter Storm Warning	BYZ	Carbon, Park, Stillwater, Sweet Grass	25 hr
Dec 10, 2:34 PM MST	Winter Storm Watch	MSO	Flathead, Granite, Lake, Missoula, Powell, Ravalli and 1 more	26 hr
Dec 10, 2:34 PM MST	Winter Weather Advisory	MSO	Flathead, Granite, Lincoln, Mineral, Missoula, Ravalli and 1 more	48 hr
Dec 10, 3:54 PM MST	Mesoscale Discussion	SPC	McCone, Richland, Roosevelt	4 hr
Dec 10, 7:18 PM MST	Special Weather Statement	BYZ	Stillwater, Sweet Grass	117 min
Dec 11, 12:54 AM MST	Special Weather Statement	BYZ	Treasure, Yellowstone	4 hr
Dec 11, 1:01 AM MST	Special Weather Statement	BYZ	Treasure, Yellowstone	12 hr
Dec 11, 2:58 AM MST	Wind Chill Advisory	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	54 hr
Dec 11, 2:58 AM MST	Winter Weather Advisory	GGW	Garfield, Petroleum, Phillips	32 hr
Dec 11, 4:02 AM MST	Winter Weather Advisory	TFX		34 hr
Dec 11, 4:37 AM MST	Dense Fog Advisory	BYZ	Big Horn, Musselshell, Treasure	5 hr
Dec 11, 6:37 AM MST	Special Weather Statement	BYZ	Treasure, Yellowstone	68 min
Dec 11, 9:44 AM MST	Winter Storm Warning	MSO	Flathead, Granite, Lake, Mineral, Missoula, Powell and 2 more	34 hr
Dec 11, 2:00 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Powell, Sanders and 1 more	24 hr
Dec 11, 2:38 PM MST	Winter Storm Warning	TFX		23 hr
Dec 11, 2:48 PM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon, Custer, Golden Valley, Musselshell, Park and 5 more	24 hr
Dec 12, 3:09 AM MST	Wind Chill Advisory	TFX		31 hr
Dec 12, 10:54 AM MST	Areal Flood Advisory	BYZ	Yellowstone	24 hr
Dec 12, 2:56 PM MST	Wind Chill Advisory	BYZ	Carter, Fallon, Golden Valley, Wheatland	18 hr
Dec 12, 9:04 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Granite, Lake, Missoula, Powell, Silver Bow	12 hr
Dec 13, 3:25 AM MST	Winter Storm Watch	TFX		35 hr
Dec 13, 1:59 PM MST	Special Weather Statement	TFX	Broadwater, Jefferson, Meagher	3 hr
Dec 13, 2:06 PM MST	Special Weather Statement	BYZ	Big Horn, Golden Valley, Powder River, Wheatland, Yellowstone	84 min
Dec 13, 2:55 PM MST	Wind Chill Advisory	TFX		20 hr
Dec 13, 3:05 PM MST	Wind Chill Advisory	GGW	Daniels, Dawson, McCone, Phillips, Prairie, Richland and 4 more	20 hr
Dec 13, 3:21 PM MST	Wind Chill Advisory	BYZ	Carter, Custer, Fallon	21 hr
Dec 13, 3:21 PM MST	Winter Storm Watch	BYZ	Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 8 more	23 hr
Dec 14, 3:11 AM MST	Winter Storm Watch	GGW	Garfield, Petroleum, Phillips	19 hr
Dec 14, 3:24 AM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	3 days
Dec 14, 3:45 AM MST	Winter Storm Warning	TFX		65 hr
Dec 14, 4:59 AM MST	Winter Storm Warning	BYZ	Big Horn, Carbon, Carter, Golden Valley, Musselshell, Park and 6 more	71 hr
Dec 14, 2:01 PM MST	Winter Weather Advisory	BYZ	Custer, Fallon	62 hr
Dec 14, 2:54 PM MST	Winter Weather Advisory	TFX		37 hr
Dec 14, 10:06 PM MST	Winter Storm Warning	GGW	Garfield, Petroleum	41 hr
Dec 14, 10:06 PM MST	Winter Weather Advisory	GGW	Dawson, McCone, Phillips, Prairie, Valley, Wibaux	41 hr
Dec 15, 5:58 AM MST	Winter Storm Warning	MSO	Deer Lodge, Granite, Lake, Mineral, Missoula, Powell and 3 more	5 hr
Dec 15, 2:36 PM MST	Wind Chill Advisory	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	45 hr
Dec 15, 3:00 PM MST	Wind Chill Advisory	TFX		45 hr
Dec 15, 3:14 PM MST	Winter Storm Warning	MSO	Deer Lodge, Granite, Powell, Silver Bow	31 hr
Dec 15, 3:26 PM MST	Special Weather Statement	BYZ	Golden Valley, Musselshell, Stillwater, Sweet Grass, Treasure, Wheatland and 1 more	3 hr
Dec 15, 6:03 PM MST	Special Weather Statement	BYZ	Stillwater, Sweet Grass, Treasure, Yellowstone	117 min
Dec 16, 2:39 PM MST	Wind Chill Warning	GGW	Garfield, Petroleum, Phillips	21 hr
Dec 16, 2:59 PM MST	Blizzard Watch	BYZ	Golden Valley, Park, Stillwater, Sweet Grass, Wheatland	23 hr
Dec 16, 2:59 PM MST	Wind Chill Warning	BYZ	Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 8 more	20 hr
Dec 16, 2:59 PM MST	Wind Chill Warning	TFX		21 hr
Dec 16, 4:51 PM MST	Wind Chill Advisory	MSO	Flathead, Lake, Missoula, Ravalli, Sanders	15 hr
Dec 17, 7:36 AM MST	Special Weather Statement	BYZ	Sweet Grass	114 min
Dec 17, 8:00 AM MST	Lake Effect Snow Advisory	MSO	Flathead, Lake, Sanders	3 hr
Dec 17, 8:50 AM MST	Winter Weather Advisory	BYZ	Big Horn, Golden Valley, Musselshell, Park, Stillwater, Sweet Grass and 2 more	63 hr
Dec 17, 10:40 AM MST	Winter Weather Advisory	TFX		57 hr
Dec 17, 11:22 AM MST	Wind Chill Advisory	BYZ	Big Horn, Carter, Custer, Fallon, Powder River, Rosebud and 1 more	22 hr
Dec 17, 12:13 PM MST	Wind Chill Advisory	GGW	Daniels, Dawson, Garfield, McCone, Phillips, Prairie and 5 more	21 hr
Dec 17, 1:03 PM MST	Lake Effect Snow Advisory	MSO	Flathead, Lake, Sanders	4 hr
Dec 17, 2:07 PM MST	Blizzard Watch	GGW	Phillips	13 hr
Dec 17, 2:21 PM MST	Blizzard Warning	BYZ	Park, Stillwater, Sweet Grass	46 hr
Dec 17, 2:46 PM MST	High Wind Watch	TFX		24 hr
Dec 17, 6:32 PM MST	Wind Chill Advisory	TFX		10 hr
Dec 18, 3:24 AM MST	Winter Weather Advisory	GGW	Phillips	33 hr
Dec 18, 3:25 AM MST	High Wind Warning	TFX		44 hr
Dec 18, 8:12 AM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	32 hr
Dec 18, 2:24 PM MST	High Wind Warning	BYZ	Golden Valley, Park, Stillwater, Sweet Grass, Wheatland	38 hr
Dec 19, 4:14 AM MST	Winter Storm Watch	MSO	Granite, Mineral, Missoula, Ravalli, Sanders	10 hr
Dec 19, 4:20 AM MST	Wind Advisory	MSO	Deer Lodge, Granite, Powell, Silver Bow	12 hr
Dec 19, 8:09 AM MST	Winter Storm Warning	MSO	Flathead, Lake	8 hr
Dec 19, 1:34 PM MST	High Wind Warning	GGW	Phillips	9 hr
Dec 19, 2:01 PM MST	Winter Storm Warning	MSO	Granite, Mineral, Missoula, Ravalli, Sanders	28 hr
Dec 19, 2:01 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Missoula and 4 more	34 hr
Dec 19, 2:21 PM MST	High Wind Watch	TFX		14 hr
Dec 19, 2:44 PM MST	Winter Weather Advisory	TFX		42 hr
Dec 19, 9:05 PM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	30 hr
Dec 20, 2:45 AM MST	High Wind Warning	MSO	Deer Lodge, Granite, Powell, Silver Bow	15 hr
Dec 20, 3:45 AM MST	Winter Storm Warning	TFX		29 hr
Dec 20, 3:58 AM MST	High Wind Warning	TFX		19 hr
Dec 20, 4:17 AM MST	High Wind Watch	BYZ	Golden Valley, Wheatland	5 hr
Dec 20, 9:27 AM MST	High Wind Warning	BYZ	Golden Valley, Wheatland	17 hr
Dec 20, 10:11 AM MST	Wind Advisory	MSO	Missoula, Ravalli	8 hr
Dec 20, 7:10 PM MST	Special Weather Statement	BYZ	Musselshell, Stillwater, Sweet Grass	35 min
Dec 20, 7:45 PM MST	Special Weather Statement	BYZ	Carbon, Rosebud, Treasure, Yellowstone	30 min
Dec 20, 8:17 PM MST	Special Weather Statement	BYZ	Big Horn, Carbon, Custer, Rosebud, Treasure	43 min
Dec 20, 8:19 PM MST	High Wind Warning	GGW	Dawson, Garfield, McCone, Phillips, Prairie, Richland and 1 more	9 hr
Dec 20, 8:38 PM MST	Special Weather Statement	TFX	Blaine, Fergus	82 min
Dec 20, 11:28 PM MST	Special Weather Statement	BYZ	Yellowstone	2 hr
Dec 21, 2:28 PM MST	Winter Storm Watch	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	48 hr
Dec 21, 2:39 PM MST	Winter Storm Watch	TFX		48 hr
Dec 22, 12:12 PM MST	Winter Storm Watch	BYZ	Carter, Custer, Fallon, Powder River	24 hr
Dec 22, 2:49 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	71 hr
Dec 23, 3:51 AM MST	Winter Storm Warning	TFX		53 hr
Dec 23, 3:51 AM MST	Winter Weather Advisory	TFX		61 hr
Dec 23, 11:42 AM MST	Winter Storm Warning	BYZ	Carter, Custer, Fallon, Powder River, Rosebud	59 hr
Dec 23, 11:42 AM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon, Golden Valley, Musselshell, Park, Rosebud and 4 more	67 hr
Dec 23, 2:52 PM MST	Winter Storm Warning	GGW	Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 2 more	68 hr
Dec 23, 2:52 PM MST	Winter Weather Advisory	GGW	Daniels, Garfield, McCone, Petroleum, Phillips, Roosevelt and 1 more	60 hr
Dec 24, 9:42 PM MST	Blizzard Warning	GGW	Dawson, Prairie, Richland, Roosevelt, Sheridan, Wibaux	37 hr
Dec 25, 11:56 AM MST	Blizzard Warning	BYZ	Carter, Custer, Fallon, Powder River	22 hr
Dec 25, 3:51 PM MST	High Wind Watch	BYZ	Park, Stillwater, Sweet Grass	10 hr
Dec 25, 7:07 PM MST	Special Weather Statement	BYZ	Stillwater, Sweet Grass	4 hr
Dec 26, 1:58 AM MST	High Wind Warning	BYZ	Park, Stillwater, Sweet Grass	42 hr
Dec 26, 1:58 AM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	22 hr
Dec 26, 2:47 AM MST	High Wind Watch	TFX		12 hr
Dec 26, 2:56 AM MST	Winter Storm Watch	TFX		12 hr
Dec 26, 3:31 AM MST	Winter Storm Watch	MSO	Flathead, Granite, Lake, Mineral, Missoula, Ravalli and 1 more	11 hr
Dec 26, 3:31 AM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	55 hr
Dec 26, 8:34 AM MST	High Wind Warning	TFX		35 hr
Dec 26, 2:11 PM MST	Winter Storm Warning	MSO	Flathead, Lake, Mineral, Missoula, Sanders	31 hr
Dec 26, 2:48 PM MST	Winter Storm Warning	TFX		30 hr
Dec 26, 2:48 PM MST	Winter Weather Advisory	TFX		44 hr
Dec 27, 12:19 PM MST	Areal Flood Warning	TFX	Madison	48 hr
Dec 27, 7:29 PM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	46 hr
Dec 28, 2:26 AM MST	Winter Weather Advisory	BYZ	Big Horn, Carter, Custer, Fallon, Powder River, Rosebud and 1 more	18 hr
Dec 28, 3:01 AM MST	Winter Weather Advisory	GGW	Dawson, McCone, Prairie, Richland, Wibaux	17 hr
Dec 28, 7:36 AM MST	Special Weather Statement	TFX	Lewis and Clark	114 min
Dec 28, 2:08 PM MST	High Wind Watch	TFX		14 hr
Dec 28, 2:49 PM MST	Areal Flood Advisory	TFX	Madison	60 hr
Dec 29, 4:31 AM MST	High Wind Warning	TFX		26 hr
Dec 29, 4:38 AM MST	Winter Weather Advisory	TFX		26 hr
Dec 29, 2:52 PM MST	Winter Weather Advisory	MSO	Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 3 more	22 hr
Dec 29, 3:02 PM MST	Winter Weather Advisory	BYZ	Carbon, Stillwater, Sweet Grass	30 hr
Dec 29, 5:28 PM MST	High Wind Warning	BYZ	Park, Stillwater, Sweet Grass	17 hr
Dec 30, 8:58 AM MST	Special Weather Statement	TFX	Fergus, Judith Basin	3 hr
Dec 30, 10:10 AM MST	Special Weather Statement	BYZ	Big Horn, Rosebud, Treasure, Yellowstone	4 hr
Dec 30, 12:37 PM MST	Winter Weather Advisory	GGW	Daniels, Dawson, McCone, Richland, Roosevelt, Sheridan and 2 more	7 hr
Dec 30, 1:27 PM MST	Special Weather Statement	BYZ	Carbon, Park, Stillwater	4 hr
Dec 30, 1:54 PM MST	Special Weather Statement	BYZ	Big Horn	4 hr
Dec 30, 5:49 PM MST	Special Weather Statement	MSO	Granite	86 min
Dec 30, 6:00 PM MST	Special Weather Statement	BYZ	Big Horn	3 hr
Dec 31, 6:10 AM MST	Special Weather Statement	BYZ	Sweet Grass	110 min
Dec 31, 8:09 AM MST	High Wind Warning	TFX		6 hr
Dec 31, 8:22 AM MST	Winter Weather Advisory	BYZ	Park, Stillwater, Sweet Grass	8 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
Mesoscale Discussion	1
Special Weather Statement	29
Flooding
Areal Flood Warning	1
Areal Flood Advisory	2
Winter
Blizzard Warning	4
Winter Storm Warning	19
Blizzard Watch	2
Winter Storm Watch	14
Lake Effect Snow Advisory	2
Winter Weather Advisory	43
Cold
Wind Chill Warning	3
Wind Chill Advisory	19
Wind and dust
High Wind Warning	12
High Wind Watch	6
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.

6 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2015 2017

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. Rebuilt daily.