Weather alerts in Montana, November 2020

97 weather alerts in November 2020, 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 November 2020. Tap one for its archive.

Alerts: 97
Warnings: 21
Watches: 9
Advisories: 37
Busiest day: November 7, 202010 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
Nov 2, 2:38 AM MST	High Wind Watch	TFX		71 hr
Nov 3, 11:31 AM MST	Red Flag Warning	GGW	Garfield, McCone, Petroleum, Phillips, Valley	5 hr
Nov 3, 1:33 PM MST	High Wind Warning	TFX		52 hr
Nov 3, 2:06 PM MST	Winter Storm Watch	TFX		4 days
Nov 4, 2:50 AM MST	Lake Wind Advisory	GGW	Garfield, McCone, Petroleum, Phillips, Valley	15 hr
Nov 4, 11:31 AM MST	Lake Wind Advisory	MSO	Flathead, Lake, Sanders	30 hr
Nov 4, 11:35 AM MST	Red Flag Warning	MSO	Beaverhead, Jefferson, Madison, Silver Bow	30 hr
Nov 5, 9:27 AM MST	Wind Advisory	BYZ	Park	4 hr
Nov 5, 1:28 PM MST	Winter Storm Watch	BYZ	Carbon, Golden Valley, Musselshell, Park, Rosebud, Stillwater and 4 more	38 hr
Nov 5, 1:39 PM MST	Winter Storm Watch	MSO	Deer Lodge, Flathead, Granite, Lake, Missoula, Powell and 2 more	46 hr
Nov 5, 2:26 PM MST	Winter Storm Watch	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	47 hr
Nov 5, 10:20 PM MST	Areal Flood Advisory	TFX	Glacier	26 hr
Nov 6, 1:37 PM MST	Blizzard Warning	TFX		66 hr
Nov 6, 1:37 PM MST	Winter Storm Warning	TFX		54 hr
Nov 6, 2:45 PM MST	Winter Storm Warning	GGW	Daniels, Garfield, McCone, Petroleum, Phillips, Roosevelt and 2 more	69 hr
Nov 7, 3:21 AM MST	Winter Weather Advisory	TFX		38 hr
Nov 7, 3:36 AM MST	Winter Storm Warning	MSO	Deer Lodge, Flathead, Granite, Lake, Missoula, Powell and 2 more	35 hr
Nov 7, 3:36 AM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	49 hr
Nov 7, 3:51 AM MST	Blizzard Warning	BYZ	Golden Valley, Wheatland	39 hr
Nov 7, 3:51 AM MST	Winter Storm Warning	BYZ	Carbon, Golden Valley, Musselshell, Park, Rosebud, Stillwater and 4 more	37 hr
Nov 7, 3:51 AM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon, Custer	37 hr
Nov 7, 4:01 AM MST	Special Weather Statement	BYZ	Carter, Fallon	4 hr
Nov 7, 8:15 AM MST	Special Weather Statement	BYZ	Custer, Fallon, Rosebud	2 hr
Nov 7, 1:55 PM MST	Blizzard Warning	GGW	Phillips	46 hr
Nov 7, 1:55 PM MST	Winter Weather Advisory	GGW	Dawson, McCone, Prairie, Richland	29 hr
Nov 7, 7:53 PM MST	Mesoscale Discussion	SPC	Broadwater, Cascade, Chouteau, Glacier, Judith Basin, Lewis and Clark and 5 more	6 hr
Nov 7, 11:20 PM MST	Special Weather Statement	TFX	Blaine, Cascade, Chouteau, Fergus, Glacier, Hill and 6 more	115 min
Nov 8, 4:47 AM MST	Special Weather Statement	TFX	Blaine, Cascade, Chouteau, Fergus, Glacier, Hill and 7 more	118 min
Nov 8, 9:27 AM MST	Mesoscale Discussion	SPC	Blaine, Fergus, Garfield, Hill, Musselshell, Petroleum and 4 more	5 hr
Nov 8, 10:13 AM MST	Special Weather Statement	BYZ	Carter, Fallon	2 hr
Nov 8, 7:17 PM MST	Winter Weather Advisory	TFX		12 hr
Nov 8, 9:38 PM MST	Special Weather Statement	BYZ	Sweet Grass	3 hr
Nov 9, 12:39 AM MST	Special Weather Statement	BYZ	Sweet Grass	3 hr
Nov 9, 2:11 AM MST	Winter Weather Advisory	TFX		9 hr
Nov 9, 11:42 PM MST	Winter Weather Advisory	TFX		10 hr
Nov 10, 2:44 AM MST	Dense Fog Advisory	GGW	Daniels, Phillips, Roosevelt, Sheridan, Valley	6 hr
Nov 10, 6:55 AM MST	Winter Weather Advisory	MSO	Flathead, Lake, Sanders	34 hr
Nov 10, 12:58 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	28 hr
Nov 10, 1:45 PM MST	Lake Wind Advisory	GGW	Garfield, McCone, Petroleum, Phillips, Valley	27 hr
Nov 10, 9:01 PM MST	Special Weather Statement	MSO	Missoula	89 min
Nov 10, 9:48 PM MST	Winter Storm Warning	MSO	Granite, Lake, Missoula, Powell, Ravalli	7 hr
Nov 10, 10:07 PM MST	Winter Weather Advisory	TFX		5 hr
Nov 11, 2:43 AM MST	Special Weather Statement	TFX	Cascade, Chouteau, Judith Basin, Lewis and Clark, Teton	2 hr
Nov 11, 4:57 AM MST	Special Weather Statement	TFX	Broadwater, Cascade, Fergus, Judith Basin, Lewis and Clark, Meagher	2 hr
Nov 11, 7:20 AM MST	Special Weather Statement	TFX	Broadwater, Cascade, Jefferson, Judith Basin, Lewis and Clark, Meagher and 1 more	85 min
Nov 11, 7:54 AM MST	Special Weather Statement	TFX	Blaine, Hill	51 min
Nov 11, 9:14 AM MST	Special Weather Statement	BYZ	Sweet Grass	46 min
Nov 12, 12:34 AM MST	Special Weather Statement	BYZ	Big Horn, Rosebud, Treasure, Yellowstone	3 hr
Nov 12, 11:25 AM MST	High Wind Watch	BYZ	Sweet Grass, Wheatland	17 hr
Nov 12, 11:25 AM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	27 hr
Nov 12, 2:03 PM MST	High Wind Watch	TFX		14 hr
Nov 12, 2:03 PM MST	High Wind Warning	TFX		52 hr
Nov 12, 2:17 PM MST	Winter Weather Advisory	TFX		48 hr
Nov 12, 2:33 PM MST	Lake Wind Advisory	MSO	Flathead, Lake, Sanders	48 hr
Nov 12, 2:40 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	47 hr
Nov 13, 4:12 AM MST	High Wind Warning	BYZ	Big Horn, Carbon, Park, Stillwater, Sweet Grass, Wheatland	38 hr
Nov 13, 1:40 PM MST	Lake Wind Advisory	GGW	Garfield, McCone, Petroleum, Phillips, Valley	29 hr
Nov 13, 3:42 PM MST	Special Weather Statement	BYZ	Big Horn	6 hr
Nov 13, 8:44 PM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	21 hr
Nov 13, 10:20 PM MST	High Wind Warning	GGW	Phillips	16 hr
Nov 14, 1:08 PM MST	Special Weather Statement	BYZ	Custer, Rosebud, Treasure	112 min
Nov 15, 2:44 AM MST	High Wind Warning	TFX		14 hr
Nov 15, 1:38 PM MST	High Wind Warning	BYZ	Sweet Grass, Wheatland	7 hr
Nov 15, 3:07 PM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	6 hr
Nov 15, 11:20 PM MST	Winter Weather Advisory	MSO	Flathead, Lake	11 hr
Nov 18, 9:53 AM MST	Special Weather Statement	BYZ	Big Horn	7 min
Nov 18, 1:54 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more	21 hr
Nov 18, 2:28 PM MST	Winter Weather Advisory	GGW	Daniels, Dawson, McCone, Phillips, Richland, Roosevelt and 2 more	21 hr
Nov 18, 3:51 PM MST	Winter Weather Advisory	TFX		19 hr
Nov 19, 3:39 PM MST	Winter Weather Advisory	MSO	Mineral, Missoula, Sanders	8 hr
Nov 19, 6:05 PM MST	Snow Squall Warning	MSO	Mineral	115 min
Nov 21, 2:43 PM MST	Special Weather Statement	TFX	Cascade, Judith Basin	2 hr
Nov 24, 1:55 AM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	34 hr
Nov 24, 4:37 AM MST	High Wind Warning	TFX		28 hr
Nov 24, 8:46 AM MST	Dense Fog Advisory	GGW	Valley	3 hr
Nov 24, 1:45 PM MST	Winter Weather Advisory	MSO	Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 2 more	21 hr
Nov 25, 7:21 AM MST	Special Weather Statement	TFX		69 min
Nov 25, 7:25 AM MST	Special Weather Statement	TFX	Lewis and Clark	65 min
Nov 25, 9:00 AM MST	Special Weather Statement	TFX	Jefferson, Lewis and Clark	3 hr
Nov 25, 12:43 PM MST	Special Weather Statement	TFX	Cascade	62 min
Nov 25, 1:24 PM MST	Special Weather Statement	TFX	Cascade, Lewis and Clark	51 min
Nov 25, 1:55 PM MST	High Wind Watch	TFX		25 hr
Nov 25, 2:45 PM MST	Special Weather Statement	TFX	Cascade	30 min
Nov 25, 3:50 PM MST	Special Weather Statement	TFX	Cascade	25 min
Nov 25, 4:50 PM MST	Special Weather Statement	TFX	Judith Basin	25 min
Nov 25, 5:26 PM MST	Special Weather Statement	TFX	Judith Basin	34 min
Nov 25, 8:04 PM MST	Special Weather Statement	BYZ	Big Horn	3 hr
Nov 26, 3:00 AM MST	Lake Wind Advisory	GGW	Garfield, McCone, Petroleum, Phillips, Valley	14 hr
Nov 26, 3:00 PM MST	High Wind Warning	TFX		45 hr
Nov 27, 2:50 AM MST	High Wind Warning	BYZ	Sweet Grass	12 hr
Nov 27, 1:59 PM MST	Lake Wind Advisory	GGW	Garfield, McCone, Petroleum, Phillips, Valley	30 hr
Nov 27, 2:51 PM MST	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	22 hr
Nov 28, 4:58 AM MST	High Wind Warning	GGW	Phillips	9 hr
Nov 29, 2:55 AM MST	High Wind Watch	TFX		22 hr
Nov 30, 1:11 PM MST	Winter Weather Advisory	MSO	Flathead, Granite, Lake, Mineral, Missoula, Powell and 2 more	19 hr
Nov 30, 2:27 PM MST	Air Stagnation Advisory	MSO	Flathead, Granite, Lake, Lincoln, Missoula, Powell and 2 more	8 days
Nov 30, 2:55 PM MST	Winter Weather Advisory	TFX		17 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	2
Special Weather Statement	28
Flooding
Areal Flood Advisory	1
Winter
Blizzard Warning	3
Snow Squall Warning	1
Winter Storm Warning	5
Winter Storm Watch	4
Winter Weather Advisory	20
Wind and dust
High Wind Warning	10
High Wind Watch	5
Lake Wind Advisory	7
Wind Advisory	6
Fire
Red Flag Warning	2
Fog and smoke
Air Stagnation Advisory	1
Dense Fog Advisory	2

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 2019 2021

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.