Weather alerts in Montana, January 2021

105 weather alerts in January 2021, 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 January 2021. Tap one for its archive.

Alerts: 105
Warnings: 13
Watches: 13
Advisories: 42
Busiest day: January 30, 20219 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 31, 8:01 PM MST	High Wind Watch	TFX		18 hr
Jan 1, 3:03 AM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	63 hr
Jan 1, 1:19 PM MST	High Wind Warning	BYZ	Golden Valley, Sweet Grass, Wheatland	53 hr
Jan 1, 1:29 PM MST	Winter Weather Advisory	TFX		52 hr
Jan 1, 1:39 PM MST	High Wind Warning	TFX		52 hr
Jan 1, 2:35 PM MST	High Wind Warning	GGW	Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 4 more	55 hr
Jan 1, 3:00 PM MST	Winter Storm Watch	MSO	Mineral, Missoula, Sanders	12 hr
Jan 1, 3:01 PM MST	High Wind Watch	MSO	Flathead, Lake, Lincoln, Sanders	23 hr
Jan 2, 3:16 AM MST	Winter Storm Warning	MSO	Mineral, Missoula, Sanders	33 hr
Jan 2, 7:17 AM MST	Winter Weather Advisory	GGW	Daniels, Roosevelt, Sheridan, Valley	7 hr
Jan 2, 1:37 PM MST	Wind Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Missoula and 4 more	27 hr
Jan 2, 1:58 PM MST	Winter Weather Advisory	MSO	Flathead, Granite, Lake, Missoula, Ravalli	23 hr
Jan 3, 12:29 PM MST	Special Weather Statement	TFX	Liberty, Pondera, Teton, Toole	61 min
Jan 3, 1:24 PM MST	Special Weather Statement	TFX	Blaine, Cascade, Chouteau, Hill, Lewis and Clark	51 min
Jan 3, 2:26 PM MST	Special Weather Statement	TFX	Blaine, Fergus, Judith Basin, Meagher	64 min
Jan 3, 2:30 PM MST	Special Weather Statement	BYZ	Golden Valley, Musselshell, Stillwater, Sweet Grass, Wheatland	2 hr
Jan 3, 4:07 PM MST	Special Weather Statement	TFX	Gallatin	23 min
Jan 3, 4:17 PM MST	Special Weather Statement	GGW	Valley	58 min
Jan 4, 2:39 AM MST	Winter Weather Advisory	MSO	Flathead, Granite, Lake, Mineral, Missoula, Ravalli and 1 more	30 hr
Jan 4, 11:37 AM MST	Winter Weather Advisory	TFX		21 hr
Jan 4, 11:45 AM MST	Winter Weather Advisory	MSO	Deer Lodge, Granite, Powell, Silver Bow	21 hr
Jan 4, 1:17 PM MST	Winter Weather Advisory	GGW	Dawson, Prairie, Richland, Roosevelt, Sheridan, Wibaux	23 hr
Jan 4, 2:36 PM MST	High Wind Watch	TFX		24 hr
Jan 5, 7:54 AM MST	Special Weather Statement	MSO	Ravalli	36 min
Jan 7, 8:21 AM MST	Winter Weather Advisory	TFX		16 hr
Jan 7, 5:23 PM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon, Carter, Powder River, Rosebud, Stillwater and 1 more	16 hr
Jan 7, 10:13 PM MST	Dense Fog Advisory	TFX		16 hr
Jan 8, 3:30 PM MST	Dense Fog Advisory	TFX		43 hr
Jan 8, 6:13 PM MST	Dense Fog Advisory	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	19 hr
Jan 9, 6:15 AM MST	Special Weather Statement	BYZ	Big Horn, Carter, Custer, Fallon, Musselshell, Powder River and 3 more	2 hr
Jan 9, 8:16 AM MST	Special Weather Statement	BYZ	Big Horn, Carter, Custer, Fallon, Musselshell, Powder River and 3 more	89 min
Jan 9, 9:47 AM MST	Special Weather Statement	BYZ	Yellowstone	58 min
Jan 9, 2:03 PM MST	High Wind Watch	TFX		23 hr
Jan 9, 5:02 PM MST	Dense Fog Advisory	GGW	Garfield, Petroleum, Phillips, Valley	15 hr
Jan 9, 8:09 PM MST	Special Weather Statement	BYZ	Yellowstone	3 hr
Jan 9, 11:01 PM MST	Special Weather Statement	BYZ	Big Horn, Rosebud, Treasure, Yellowstone	119 min
Jan 10, 2:29 AM MST	Special Weather Statement	TFX	Broadwater	3 hr
Jan 10, 5:39 AM MST	Special Weather Statement	TFX	Broadwater	3 hr
Jan 10, 8:44 AM MST	Special Weather Statement	TFX	Broadwater	2 hr
Jan 10, 9:01 AM MST	Special Weather Statement	BYZ	Custer, Rosebud	119 min
Jan 10, 1:29 PM MST	High Wind Watch	TFX		45 hr
Jan 11, 3:04 AM MST	High Wind Watch	BYZ	Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 9 more	34 hr
Jan 11, 3:09 AM MST	High Wind Watch	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	33 hr
Jan 11, 11:45 AM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	25 hr
Jan 11, 2:39 PM MST	High Wind Watch	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	21 hr
Jan 11, 2:39 PM MST	Winter Weather Advisory	MSO	Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 2 more	23 hr
Jan 11, 3:09 PM MST	High Wind Warning	TFX		53 hr
Jan 12, 2:51 AM MST	High Wind Warning	BYZ	Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 9 more	65 hr
Jan 12, 12:03 PM MST	High Wind Warning	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	32 hr
Jan 12, 12:03 PM MST	Wind Advisory	MSO	Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 2 more	32 hr
Jan 12, 12:06 PM MST	Winter Storm Warning	BYZ	Carbon, Park, Stillwater, Sweet Grass, Wheatland	34 hr
Jan 12, 12:06 PM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon	39 hr
Jan 12, 12:26 PM MST	High Wind Warning	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	55 hr
Jan 12, 2:01 PM MST	Winter Weather Advisory	TFX		30 hr
Jan 13, 10:48 AM MST	Special Weather Statement	TFX	Gallatin, Madison	57 min
Jan 13, 11:08 AM MST	Special Weather Statement	TFX	Gallatin	67 min
Jan 13, 6:50 PM MST	Areal Flood Advisory	TFX	Broadwater, Gallatin	48 hr
Jan 15, 12:50 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more	10 hr
Jan 15, 5:53 PM MST	Winter Weather Advisory	TFX		5 hr
Jan 15, 6:54 PM MST	Areal Flood Advisory	TFX	Broadwater, Gallatin	4 days
Jan 16, 1:59 AM MST	Winter Storm Watch	TFX		12 hr
Jan 16, 6:15 AM MST	Dense Fog Advisory	MSO	Missoula, Ravalli	5 hr
Jan 16, 1:14 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	39 hr
Jan 16, 1:47 PM MST	Winter Weather Advisory	TFX		55 hr
Jan 16, 6:51 PM MST	Winter Weather Advisory	GGW	Dawson, McCone, Prairie, Richland, Wibaux	39 hr
Jan 17, 2:47 AM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 3 more	33 hr
Jan 17, 1:58 PM MST	High Wind Watch	TFX		11 hr
Jan 17, 9:48 PM MST	Special Weather Statement	TFX	Judith Basin	117 min
Jan 18, 1:23 AM MST	High Wind Watch	TFX		26 hr
Jan 18, 1:23 AM MST	High Wind Warning	TFX		55 hr
Jan 18, 2:12 AM MST	Special Weather Statement	TFX	Judith Basin	2 hr
Jan 18, 5:23 AM MST	Winter Storm Warning	TFX		16 hr
Jan 18, 2:43 PM MST	High Wind Watch	BYZ	Park, Stillwater, Sweet Grass, Wheatland	12 hr
Jan 18, 8:14 PM MST	Special Weather Statement	MSO	Granite	46 min
Jan 19, 2:36 AM MST	High Wind Warning	BYZ	Golden Valley, Sweet Grass, Wheatland	35 hr
Jan 19, 2:36 AM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	35 hr
Jan 19, 2:47 AM MST	Winter Weather Advisory	TFX		29 hr
Jan 20, 12:03 AM MST	High Wind Warning	GGW	Phillips	10 hr
Jan 20, 12:15 AM MST	Special Weather Statement	TFX	Fergus, Judith Basin	3 hr
Jan 20, 1:34 PM MST	Winter Weather Advisory	TFX		39 hr
Jan 20, 2:06 PM MST	Winter Weather Advisory	BYZ	Golden Valley, Park, Stillwater, Sweet Grass, Wheatland	45 hr
Jan 21, 7:52 PM MST	Special Weather Statement	MSO	Missoula	38 min
Jan 21, 9:36 PM MST	Special Weather Statement	MSO	Missoula	39 min
Jan 22, 8:55 AM MST	Special Weather Statement	MSO	Missoula	65 min
Jan 23, 1:46 PM MST	Wind Chill Advisory	GGW	Daniels, Roosevelt, Sheridan, Valley	45 hr
Jan 25, 3:32 AM MST	Dense Fog Advisory	BYZ	Carter, Custer, Fallon, Rosebud	5 hr
Jan 25, 9:12 AM MST	Special Weather Statement	BYZ	Carter, Custer, Fallon, Powder River, Rosebud	2 hr
Jan 25, 2:55 PM MST	Wind Chill Advisory	GGW	Daniels, McCone, Richland, Roosevelt, Sheridan, Valley	44 hr
Jan 26, 8:30 PM MST	Winter Weather Advisory	TFX		4 days
Jan 26, 11:15 PM MST	Dense Fog Advisory	TFX		10 hr
Jan 27, 5:46 AM MST	Special Weather Statement	BYZ	Yellowstone	4 hr
Jan 27, 9:29 AM MST	Special Weather Statement	TFX	Pondera	91 min
Jan 27, 11:30 AM MST	Special Weather Statement	TFX	Madison	3 hr
Jan 29, 1:12 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Granite, Powell, Silver Bow	10 hr
Jan 29, 2:11 PM MST	Winter Weather Advisory	GGW	Dawson, Prairie	13 hr
Jan 29, 5:42 PM MST	Special Weather Statement	TFX	Chouteau, Fergus, Judith Basin	2 hr
Jan 29, 5:48 PM MST	Special Weather Statement	TFX	Broadwater, Jefferson	117 min
Jan 29, 8:37 PM MST	Special Weather Statement	TFX	Jefferson	113 min
Jan 29, 9:43 PM MST	Dense Fog Advisory	GGW	Wibaux	13 hr
Jan 29, 11:34 PM MST	Special Weather Statement	BYZ	Golden Valley, Musselshell, Wheatland	86 min
Jan 29, 11:42 PM MST	Special Weather Statement	BYZ	Rosebud, Treasure	2 hr
Jan 30, 1:12 AM MST	Special Weather Statement	BYZ	Golden Valley, Musselshell, Wheatland	2 hr
Jan 30, 1:44 AM MST	Special Weather Statement	BYZ	Treasure	2 hr
Jan 30, 6:43 AM MST	Special Weather Statement	BYZ	Carbon	92 min
Jan 30, 7:23 PM MST	Dense Fog Advisory	GGW	Daniels, Dawson, McCone, Phillips, Prairie, Richland and 4 more	16 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	37
Flooding
Areal Flood Advisory	2
Winter
Winter Storm Warning	3
Winter Storm Watch	2
Winter Weather Advisory	24
Cold
Wind Chill Advisory	2
Wind and dust
High Wind Warning	10
High Wind Watch	11
Wind Advisory	5
Fog and smoke
Dense Fog Advisory	9

By county

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

14 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2020 2022

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.