Weather alerts in Montana, December 2017

93 weather alerts in December 2017, 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 2017. Tap one for its archive.

Alerts: 93
Warnings: 22
Watches: 10
Advisories: 51
Busiest day: December 27, 201713 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 2, 3:26 AM MST	Winter Weather Advisory	MSO	Deer Lodge, Granite, Mineral, Missoula, Powell, Ravalli and 2 more	44 hr
Dec 2, 8:15 AM MST	Winter Storm Watch	TFX		6 hr
Dec 2, 1:54 PM MST	Winter Storm Warning	TFX		37 hr
Dec 2, 1:54 PM MST	Winter Weather Advisory	TFX		43 hr
Dec 2, 2:02 PM MST	Winter Storm Warning	BYZ	Carbon, Park, Stillwater, Sweet Grass	38 hr
Dec 2, 2:02 PM MST	Winter Weather Advisory	BYZ	Carbon, Carter, Golden Valley, Park, Powder River, Rosebud and 3 more	44 hr
Dec 2, 2:57 PM MST	Winter Weather Advisory	GGW	Phillips	23 hr
Dec 3, 3:31 PM MST	Special Weather Statement	BYZ	Stillwater	59 min
Dec 3, 11:03 PM MST	Special Weather Statement	BYZ	Stillwater	87 min
Dec 4, 9:30 AM MST	Special Weather Statement	BYZ	Stillwater	3 hr
Dec 4, 2:46 PM MST	Winter Weather Advisory	BYZ	Carter, Fallon	47 hr
Dec 5, 2:45 AM MST	High Wind Warning	BYZ		12 hr
Dec 5, 3:07 AM MST	Winter Weather Advisory	GGW	Richland, Roosevelt, Sheridan, Wibaux	14 hr
Dec 5, 10:56 PM MST	Special Weather Statement	TFX	Musselshell	3 hr
Dec 10, 10:19 PM MST	High Wind Warning	GGW	Sheridan	6 hr
Dec 11, 1:36 PM MST	High Wind Watch	TFX		14 hr
Dec 12, 2:34 AM MST	High Wind Warning	BYZ		15 hr
Dec 12, 2:34 AM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	15 hr
Dec 12, 3:33 AM MST	High Wind Warning	TFX		15 hr
Dec 12, 4:32 AM MST	Dense Fog Advisory	MSO	Flathead, Lake, Missoula, Ravalli, Sanders	5 hr
Dec 12, 9:45 AM MST	Red Flag Warning	GGW	Garfield, McCone, Petroleum, Phillips, Valley	12 hr
Dec 13, 6:15 AM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Missoula, Powell and 3 more	14 hr
Dec 13, 9:37 AM MST	Winter Weather Advisory	TFX		10 hr
Dec 13, 5:12 PM MST	Freezing Fog Advisory	TFX		39 hr
Dec 14, 2:27 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	45 hr
Dec 14, 2:29 PM MST	Winter Weather Advisory	TFX		48 hr
Dec 14, 2:49 PM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	30 hr
Dec 15, 11:38 AM MST	High Wind Warning	BYZ		6 hr
Dec 15, 2:28 PM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon, Golden Valley, Park, Stillwater, Sweet Grass and 1 more	32 hr
Dec 16, 5:54 AM MST	Special Weather Statement	TFX	Pondera, Toole	51 min
Dec 16, 2:45 PM MST	Winter Weather Advisory	MSO	Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 3 more	44 hr
Dec 16, 2:53 PM MST	High Wind Watch	BYZ	Park, Stillwater, Sweet Grass	12 hr
Dec 17, 2:43 AM MST	High Wind Warning	BYZ	Park, Stillwater, Sweet Grass	42 hr
Dec 17, 3:10 AM MST	Winter Storm Warning	TFX		4 days
Dec 17, 7:42 AM MST	Winter Weather Advisory	BYZ	Park, Stillwater, Sweet Grass	6 hr
Dec 17, 2:37 PM MST	High Wind Warning	TFX		20 hr
Dec 17, 2:57 PM MST	Winter Storm Watch	TFX		23 hr
Dec 17, 2:58 PM MST	Winter Storm Watch	MSO	Flathead, Granite, Lake, Missoula, Powell, Sanders	24 hr
Dec 17, 2:58 PM MST	Winter Storm Warning	MSO	Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 2 more	68 hr
Dec 18, 2:59 AM MST	Winter Storm Watch	GGW	Daniels, Phillips, Roosevelt, Sheridan, Valley	12 hr
Dec 18, 3:15 AM MST	Winter Weather Advisory	TFX		24 hr
Dec 18, 2:35 PM MST	Winter Storm Warning	GGW	Daniels, Garfield, McCone, Petroleum, Phillips, Richland and 3 more	50 hr
Dec 18, 2:35 PM MST	Winter Weather Advisory	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	55 hr
Dec 18, 11:55 PM MST	Special Weather Statement	TFX	Judith Basin	35 min
Dec 19, 4:45 AM MST	Winter Weather Advisory	MSO	Deer Lodge, Granite, Missoula, Powell, Ravalli, Silver Bow	39 hr
Dec 19, 3:18 PM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon, Golden Valley, Musselshell, Stillwater, Sweet Grass and 1 more	36 hr
Dec 19, 3:20 PM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	12 hr
Dec 19, 3:31 PM MST	Winter Weather Advisory	TFX		32 hr
Dec 19, 9:16 PM MST	Special Weather Statement	BYZ	Stillwater, Sweet Grass	4 hr
Dec 20, 1:58 PM MST	Winter Weather Advisory	TFX		64 hr
Dec 21, 3:17 AM MST	Winter Weather Advisory	TFX		51 hr
Dec 21, 4:03 AM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more	53 hr
Dec 21, 12:08 PM MST	Special Weather Statement	BYZ	Stillwater, Sweet Grass	4 hr
Dec 21, 3:08 PM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon, Golden Valley, Musselshell, Park, Stillwater and 2 more	39 hr
Dec 22, 3:00 AM MST	Winter Storm Warning	BYZ	Carbon, Park, Stillwater, Sweet Grass	27 hr
Dec 22, 3:50 PM MST	Winter Storm Warning	MSO	Deer Lodge, Granite, Lake, Missoula, Powell, Ravalli and 1 more	7 hr
Dec 23, 5:57 AM MST	Winter Weather Advisory	BYZ	Golden Valley, Musselshell, Park, Stillwater, Sweet Grass, Wheatland	29 hr
Dec 24, 3:02 AM MST	Wind Chill Advisory	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	3 days
Dec 24, 3:31 AM MST	Winter Weather Advisory	MSO	Deer Lodge, Granite, Lake, Mineral, Missoula, Powell and 3 more	43 hr
Dec 24, 3:34 AM MST	Wind Chill Advisory	BYZ	Carter, Fallon	30 hr
Dec 24, 9:12 AM MST	Winter Weather Advisory	TFX		39 hr
Dec 24, 11:51 AM MST	Winter Weather Advisory	BYZ	Park, Stillwater, Sweet Grass	40 hr
Dec 25, 3:02 AM MST	Wind Chill Warning	GGW	Daniels, Richland, Roosevelt, Sheridan, Valley	8 hr
Dec 25, 3:02 AM MST	Wind Chill Advisory	GGW	Daniels, Richland, Roosevelt, Sheridan, Valley	57 hr
Dec 25, 2:06 PM MST	Wind Chill Advisory	TFX		22 hr
Dec 26, 8:35 PM MST	Wind Chill Warning	GGW	Daniels, Phillips, Roosevelt, Valley	11 hr
Dec 26, 8:35 PM MST	Wind Chill Advisory	GGW	Phillips, Roosevelt	15 hr
Dec 27, 12:56 AM MST	Special Weather Statement	BYZ	Sweet Grass	4 hr
Dec 27, 3:33 AM MST	Winter Storm Watch	TFX		24 hr
Dec 27, 3:40 AM MST	Winter Storm Watch	GGW	Garfield, Petroleum, Phillips	24 hr
Dec 27, 4:04 AM MST	Winter Storm Watch	BYZ	Big Horn, Carbon, Custer, Golden Valley, Musselshell, Park and 6 more	24 hr
Dec 27, 4:04 AM MST	Winter Storm Warning	BYZ	Big Horn, Carbon, Custer, Golden Valley, Musselshell, Park and 6 more	3 days
Dec 27, 4:40 AM MST	Winter Storm Watch	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	23 hr
Dec 27, 1:22 PM MST	Wind Chill Advisory	GGW	Daniels, Dawson, Garfield, McCone, Phillips, Prairie and 5 more	20 hr
Dec 27, 2:25 PM MST	Winter Storm Warning	TFX		3 days
Dec 27, 2:25 PM MST	Winter Weather Advisory	TFX		13 hr
Dec 27, 3:02 PM MST	Winter Storm Warning	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	3 days
Dec 27, 3:02 PM MST	Winter Weather Advisory	MSO	Granite, Lake, Missoula, Powell	20 hr
Dec 27, 6:17 PM MST	Wind Chill Advisory	TFX		13 hr
Dec 27, 10:27 PM MST	Winter Weather Advisory	BYZ	Stillwater	6 hr
Dec 28, 3:49 AM MST	Winter Weather Advisory	TFX		57 hr
Dec 28, 3:55 AM MST	Winter Storm Warning	GGW	Garfield, Petroleum, Phillips	61 hr
Dec 28, 3:55 AM MST	Winter Weather Advisory	GGW	Dawson, McCone, Phillips, Prairie, Valley, Wibaux	61 hr
Dec 28, 4:29 AM MST	Winter Weather Advisory	BYZ	Carter, Fallon	59 hr
Dec 28, 9:49 AM MST	Wind Chill Advisory	GGW	Daniels, Dawson, Garfield, McCone, Phillips, Prairie and 5 more	31 hr
Dec 29, 12:27 AM MST	Special Weather Statement	BYZ	Sweet Grass	3 hr
Dec 29, 3:01 AM MST	Wind Chill Warning	GGW	Daniels, Dawson, McCone, Phillips, Richland, Roosevelt and 3 more	3 days
Dec 30, 12:47 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Missoula, Powell and 2 more	10 hr
Dec 30, 2:06 PM MST	Wind Chill Advisory	TFX		27 hr
Dec 30, 2:16 PM MST	Wind Chill Advisory	GGW	Garfield, Petroleum, Phillips, Prairie	67 hr
Dec 30, 3:38 PM MST	Wind Chill Advisory	BYZ	Big Horn, Carter, Custer, Fallon, Golden Valley, Musselshell and 6 more	18 hr
Dec 30, 4:53 PM MST	Winter Weather Advisory	TFX		6 hr
Dec 30, 11:03 PM MST	Winter Weather Advisory	TFX		4 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
Special Weather Statement	10
Winter
Winter Storm Warning	11
Winter Storm Watch	8
Winter Weather Advisory	35
Cold
Wind Chill Warning	3
Wind Chill Advisory	11
Wind and dust
High Wind Warning	7
High Wind Watch	2
Wind Advisory	3
Fire
Red Flag Warning	1
Fog and smoke
Dense Fog Advisory	1
Freezing Fog Advisory	1

Nearby

Alerts in force now Tornadoes on record The radar archive 2016 2018

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.