Weather alerts in Montana, May 2026

297 weather alerts in May 2026, 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 May 2026. Tap one for its archive.

Alerts: 297
Warnings: 57
Watches: 20
Advisories: 37
Busiest day: May 29, 202668 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
May 2, 1:04 AM MDT	Fire Weather Watch	GGW	Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 3 more	12 hr
May 2, 12:36 PM MDT	Red Flag Warning	GGW	Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 3 more	32 hr
May 3, 8:14 AM MDT	Lake Wind Advisory	GGW	Garfield, McCone, Petroleum, Phillips, Valley	37 hr
May 6, 3:10 PM MDT	River Flood Watch	MSO	Flathead	21 days
May 6, 11:44 PM MDT	Fire Weather Watch	GGW	Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 3 more	23 hr
May 6, 11:53 PM MDT	Special Weather Statement	BYZ	Sweet Grass	37 min
May 7, 2:05 PM MDT	Special Weather Statement	MSO	Flathead	40 min
May 7, 2:45 PM MDT	Special Weather Statement	MSO	Flathead	30 min
May 7, 5:03 PM MDT	Special Weather Statement	BYZ	Carbon	27 min
May 7, 10:57 PM MDT	Red Flag Warning	GGW	Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 3 more	21 hr
May 10, 1:01 AM MDT	Fire Weather Watch	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	11 hr
May 10, 12:02 PM MDT	Red Flag Warning	BYZ	Carter, Custer, Fallon, Rosebud, Treasure	32 hr
May 10, 12:10 PM MDT	Red Flag Warning	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	32 hr
May 10, 12:27 PM MDT	Lake Wind Advisory	GGW	Garfield, McCone, Petroleum, Phillips, Valley	33 hr
May 11, 12:00 PM MDT	Fire Weather Watch	MSO	Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 1 more	23 hr
May 11, 12:14 PM MDT	Fire Weather Watch	TFX	Blaine, Hill, Phillips	25 hr
May 11, 10:49 PM MDT	High Wind Watch	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	24 hr
May 11, 11:04 PM MDT	Fire Weather Watch	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	13 hr
May 11, 11:39 PM MDT	High Wind Watch	TFX	Blaine, Cascade, Chouteau, Fergus, Glacier, Hill and 6 more	37 hr
May 12, 10:23 AM MDT	Wind Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	35 hr
May 12, 10:38 AM MDT	Red Flag Warning	MSO	Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 1 more	34 hr
May 12, 11:35 AM MDT	High Wind Watch	BYZ	Golden Valley, Musselshell, Stillwater, Sweet Grass, Wheatland, Yellowstone	12 hr
May 12, 12:01 PM MDT	Red Flag Warning	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	3 days
May 12, 12:27 PM MDT	Winter Weather Advisory	MSO	Flathead, Lake	47 hr
May 12, 12:47 PM MDT	High Wind Watch	TFX	Beaverhead, Broadwater, Gallatin, Jefferson, Lewis and Clark, Madison	11 hr
May 12, 12:59 PM MDT	Red Flag Warning	TFX	Blaine, Hill, Phillips	32 hr
May 12, 10:53 PM MDT	High Wind Warning	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	49 hr
May 12, 11:48 PM MDT	High Wind Warning	TFX	Beaverhead, Blaine, Broadwater, Cascade, Chouteau, Fergus and 12 more	44 hr
May 13, 12:00 AM MDT	High Wind Warning	BYZ	Big Horn, Carbon, Golden Valley, Musselshell, Park, Stillwater and 3 more	39 hr
May 13, 12:00 AM MDT	Wind Advisory	BYZ	Park, Stillwater, Sweet Grass	36 hr
May 13, 12:06 AM MDT	Winter Weather Advisory	TFX	Glacier, Pondera	35 hr
May 13, 12:15 PM MDT	Mesoscale Discussion	SPC	Beaverhead, Blaine, Broadwater, Cascade, Chouteau, Fergus and 13 more	2 hr
May 13, 12:45 PM MDT	Special Weather Statement	MSO	Silver Bow	30 min
May 13, 12:50 PM MDT	Severe Thunderstorm Watch	SPC	Beaverhead, Blaine, Broadwater, Cascade, Chouteau, Deer Lodge and 19 more	8 hr
May 13, 12:59 PM MDT	Special Weather Statement	TFX	Madison	46 min
May 13, 1:23 PM MDT	Special Weather Statement	MSO	Silver Bow	22 min
May 13, 1:59 PM MDT	Severe Thunderstorm Warning	TFX	Cascade, Lewis and Clark	35 min
May 13, 2:04 PM MDT	Special Weather Statement	TFX	Jefferson	41 min
May 13, 2:13 PM MDT	Severe Thunderstorm Warning Considerable damage threat	TFX	Beaverhead, Madison	47 min
May 13, 2:31 PM MDT	Special Weather Statement	TFX	Judith Basin	29 min
May 13, 2:31 PM MDT	Special Weather Statement	TFX	Gallatin, Madison	44 min
May 13, 2:33 PM MDT	Special Weather Statement	TFX	Cascade	27 min
May 13, 2:46 PM MDT	Severe Thunderstorm Warning	TFX	Cascade, Chouteau, Fergus, Judith Basin	44 min
May 13, 2:50 PM MDT	Severe Thunderstorm Warning Considerable damage threat	TFX	Cascade, Chouteau, Teton	40 min
May 13, 2:56 PM MDT	Special Weather Statement	BYZ	Park	34 min
May 13, 2:59 PM MDT	Severe Thunderstorm Warning	TFX	Broadwater, Jefferson	46 min
May 13, 3:28 PM MDT	Severe Thunderstorm Warning Considerable damage threat	TFX	Blaine, Cascade, Chouteau, Fergus, Hill, Judith Basin and 1 more	47 min
May 13, 3:36 PM MDT	Special Weather Statement	TFX	Beaverhead, Madison	54 min
May 13, 3:37 PM MDT	Mesoscale Discussion	SPC	Blaine, Chouteau, Fergus, Hill	83 min
May 13, 3:51 PM MDT	Special Weather Statement	TFX	Meagher	39 min
May 13, 3:52 PM MDT	Severe Thunderstorm Watch	SPC	Big Horn, Carbon, Garfield, Musselshell, Petroleum, Phillips and 4 more	7 hr
May 13, 3:58 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BYZ	Park, Stillwater, Sweet Grass	62 min
May 13, 4:08 PM MDT	Severe Thunderstorm Warning Considerable damage threat	TFX	Blaine, Chouteau, Fergus, Hill, Liberty	97 min
May 13, 4:41 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BYZ	Golden Valley, Wheatland	64 min
May 13, 4:41 PM MDT	Severe Thunderstorm Warning Considerable damage threat	GGW	Petroleum, Phillips	64 min
May 13, 5:11 PM MDT	Special Weather Statement	BYZ	Musselshell	49 min
May 13, 5:17 PM MDT	Severe Thunderstorm Warning	BYZ	Big Horn, Rosebud	43 min
May 13, 5:22 PM MDT	Special Weather Statement	MSO	Powell	23 min
May 13, 5:22 PM MDT	Severe Thunderstorm Warning	TFX	Fergus	38 min
May 13, 5:26 PM MDT	Severe Thunderstorm Warning Considerable damage threat	GGW	Garfield, Petroleum, Phillips	64 min
May 13, 5:42 PM MDT	Severe Thunderstorm Warning Considerable damage threat	GGW	Phillips, Valley	63 min
May 13, 5:47 PM MDT	Mesoscale Discussion	SPC	Garfield, Musselshell, Petroleum, Phillips	88 min
May 13, 5:52 PM MDT	Severe Thunderstorm Warning	BYZ	Park, Sweet Grass	38 min
May 13, 6:05 PM MDT	Severe Thunderstorm Warning	TFX	Fergus	40 min
May 13, 6:07 PM MDT	Special Weather Statement	BYZ	Treasure	53 min
May 13, 6:17 PM MDT	Severe Thunderstorm Warning	BYZ	Carbon, Stillwater	58 min
May 13, 6:26 PM MDT	Special Weather Statement	BYZ	Custer, Powder River, Rosebud, Treasure	64 min
May 13, 6:27 PM MDT	Severe Thunderstorm Warning Considerable damage threat	GGW	Garfield, Petroleum, Phillips, Valley	63 min
May 13, 6:31 PM MDT	Severe Thunderstorm Warning	BYZ	Sweet Grass	46 min
May 13, 6:51 PM MDT	Special Weather Statement	TFX	Cascade	39 min
May 13, 7:06 PM MDT	Special Weather Statement	BYZ	Treasure	24 min
May 13, 7:14 PM MDT	Special Weather Statement	BYZ	Carbon	61 min
May 13, 7:25 PM MDT	Special Weather Statement	BYZ	Yellowstone	50 min
May 13, 7:29 PM MDT	Severe Thunderstorm Warning Considerable damage threat	GGW	Garfield, McCone, Phillips, Prairie, Valley	61 min
May 13, 8:01 PM MDT	Special Weather Statement	BYZ	Yellowstone	59 min
May 13, 8:09 PM MDT	Special Weather Statement	BYZ	Big Horn	66 min
May 13, 8:23 PM MDT	Special Weather Statement	GGW	McCone, Valley	67 min
May 13, 9:10 PM MDT	Special Weather Statement	GGW	Daniels, Roosevelt, Sheridan	65 min
May 13, 9:24 PM MDT	Special Weather Statement	BYZ	Rosebud	66 min
May 13, 9:28 PM MDT	Special Weather Statement	GGW	Valley	62 min
May 13, 9:55 PM MDT	Special Weather Statement	BYZ	Yellowstone	65 min
May 13, 10:03 PM MDT	Severe Thunderstorm Warning	GGW	Garfield, Petroleum, Phillips	57 min
May 13, 10:11 PM MDT	Special Weather Statement	BYZ	Custer	64 min
May 14, 10:35 AM MDT	Blowing Dust Advisory	GGW	Daniels, Dawson, McCone, Phillips, Richland, Roosevelt and 2 more	13 hr
May 15, 12:03 AM MDT	Lake Wind Advisory	GGW	Garfield, McCone, Petroleum, Phillips, Valley	21 hr
May 15, 11:38 AM MDT	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Missoula, Powell and 2 more	60 hr
May 15, 11:59 AM MDT	Winter Weather Advisory	TFX	Beaverhead, Broadwater, Cascade, Chouteau, Gallatin, Glacier and 7 more	60 hr
May 15, 1:46 PM MDT	Special Weather Statement	GGW	Daniels, Roosevelt, Sheridan, Valley	59 min
May 15, 2:47 PM MDT	Special Weather Statement	GGW	Daniels, Roosevelt, Sheridan, Valley	58 min
May 15, 3:42 PM MDT	Special Weather Statement	GGW	Daniels, Roosevelt, Sheridan, Valley	63 min
May 15, 4:45 PM MDT	Special Weather Statement	GGW	Daniels, Richland, Roosevelt, Sheridan, Valley	60 min
May 15, 5:42 PM MDT	Special Weather Statement	GGW	Daniels, Phillips, Richland, Roosevelt, Sheridan, Valley	63 min
May 15, 6:39 PM MDT	Special Weather Statement	GGW	Daniels, McCone, Richland, Roosevelt, Sheridan	66 min
May 16, 8:26 AM MDT	Frost Advisory	MSO	Flathead, Lake, Missoula, Ravalli, Sanders	25 hr
May 16, 8:31 AM MDT	Frost Advisory	MSO	Flathead, Lake, Lincoln, Mineral, Missoula, Ravalli and 1 more	48 hr
May 16, 11:20 AM MDT	Winter Weather Advisory	BYZ	Big Horn, Carbon, Stillwater, Sweet Grass	49 hr
May 16, 12:48 PM MDT	Lake Wind Advisory	GGW	Garfield, McCone, Petroleum, Phillips, Valley	34 hr
May 18, 12:00 PM MDT	Frost Advisory	MSO	Flathead, Granite, Lake, Mineral, Missoula, Ravalli and 1 more	22 hr
May 20, 12:55 PM MDT	Winter Storm Warning	BYZ	Carbon, Park, Stillwater, Sweet Grass	26 hr
May 20, 12:55 PM MDT	Winter Weather Advisory	BYZ	Big Horn, Carbon	29 hr
May 20, 1:26 PM MDT	Special Weather Statement	GGW	Valley	64 min
May 20, 1:36 PM MDT	Special Weather Statement	MSO	Flathead	24 min
May 20, 2:17 PM MDT	Special Weather Statement	MSO	Lake	28 min
May 20, 2:26 PM MDT	Special Weather Statement	GGW	Valley	64 min
May 20, 4:22 PM MDT	Special Weather Statement	GGW	Garfield	53 min
May 20, 5:00 PM MDT	Special Weather Statement	MSO	Lake	30 min
May 23, 2:55 PM MDT	Special Weather Statement	MSO	Flathead	35 min
May 24, 9:27 PM MDT	Lake Wind Advisory	GGW	Garfield, McCone, Petroleum, Phillips, Valley	4 days
May 24, 9:45 PM MDT	Red Flag Warning	GGW	Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 3 more	47 hr
May 24, 10:03 PM MDT	Heat Advisory	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	47 hr
May 25, 3:53 PM MDT	Special Weather Statement	MSO	Ravalli	52 min
May 25, 4:01 PM MDT	Special Weather Statement	MSO	Missoula	29 min
May 25, 4:11 PM MDT	Special Weather Statement	MSO	Ravalli	34 min
May 25, 4:36 PM MDT	Special Weather Statement	MSO	Ravalli	24 min
May 25, 5:19 PM MDT	Special Weather Statement	MSO	Missoula	26 min
May 25, 5:27 PM MDT	Special Weather Statement	BYZ	Sweet Grass	63 min
May 25, 5:32 PM MDT	Special Weather Statement	MSO	Powell	28 min
May 25, 5:46 PM MDT	Mesoscale Discussion	SPC	Beaverhead, Deer Lodge, Flathead, Glacier, Granite, Jefferson and 10 more	119 min
May 25, 6:06 PM MDT	Special Weather Statement	MSO	Missoula	24 min
May 25, 6:37 PM MDT	Special Weather Statement	TFX	Madison	53 min
May 25, 6:51 PM MDT	Special Weather Statement	MSO	Lake	24 min
May 25, 7:41 PM MDT	Special Weather Statement	MSO	Mineral	34 min
May 25, 7:50 PM MDT	Special Weather Statement	MSO	Flathead	40 min
May 25, 8:14 PM MDT	Special Weather Statement	TFX	Glacier	61 min
May 25, 9:44 PM MDT	Heat Advisory	GGW	Daniels, Dawson, Garfield, McCone, Phillips, Prairie and 5 more	4 days
May 25, 9:49 PM MDT	Red Flag Warning	GGW	Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 3 more	48 hr
May 25, 11:45 PM MDT	Heat Advisory	TFX	Blaine, Hill	45 hr
May 26, 2:32 PM MDT	Special Weather Statement	GGW	Daniels	58 min
May 26, 2:39 PM MDT	Special Weather Statement	GGW	Richland	51 min
May 26, 3:08 PM MDT	Special Weather Statement	GGW	Daniels	52 min
May 26, 3:22 PM MDT	Severe Thunderstorm Warning	GGW	McCone, Richland, Roosevelt	38 min
May 26, 3:29 PM MDT	Special Weather Statement	GGW	Daniels	61 min
May 26, 3:30 PM MDT	Special Weather Statement	MSO	Flathead	30 min
May 26, 3:43 PM MDT	Severe Thunderstorm Warning	GGW	Dawson, McCone, Richland, Roosevelt	62 min
May 26, 3:58 PM MDT	Severe Thunderstorm Warning	GGW	Daniels, Roosevelt, Valley	62 min
May 26, 4:40 PM MDT	Special Weather Statement	GGW	Richland	65 min
May 26, 4:50 PM MDT	Special Weather Statement	TFX	Powell	40 min
May 26, 4:52 PM MDT	Special Weather Statement	MSO	Lincoln	23 min
May 26, 4:54 PM MDT	Special Weather Statement	GGW	Daniels	66 min
May 26, 5:08 PM MDT	Special Weather Statement	TFX	Gallatin	52 min
May 26, 5:15 PM MDT	Severe Thunderstorm Warning	GGW	Dawson, McCone, Richland, Roosevelt	60 min
May 26, 5:20 PM MDT	Special Weather Statement	TFX	Judith Basin	55 min
May 26, 5:27 PM MDT	Special Weather Statement	BYZ	Wheatland	33 min
May 26, 5:31 PM MDT	Special Weather Statement	GGW	McCone	59 min
May 26, 5:56 PM MDT	Special Weather Statement	BYZ	Park	34 min
May 26, 6:03 PM MDT	Severe Thunderstorm Warning	GGW	McCone, Richland, Roosevelt, Valley	57 min
May 26, 6:14 PM MDT	Severe Thunderstorm Warning Considerable damage threat	TFX	Broadwater, Jefferson	41 min
May 26, 6:30 PM MDT	Special Weather Statement	GGW	McCone	60 min
May 26, 6:53 PM MDT	Special Weather Statement	TFX	Lewis and Clark	52 min
May 26, 6:55 PM MDT	Special Weather Statement	GGW	Daniels	65 min
May 26, 7:13 PM MDT	Special Weather Statement	BYZ	Park	62 min
May 26, 7:18 PM MDT	Special Weather Statement	TFX	Lewis and Clark	27 min
May 26, 7:54 PM MDT	Special Weather Statement	GGW	Daniels	66 min
May 26, 8:12 PM MDT	Special Weather Statement	BYZ	Park	48 min
May 26, 10:07 PM MDT	Red Flag Warning	GGW	Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 3 more	48 hr
May 27, 1:28 PM MDT	Areal Flood Advisory	TFX	Cascade, Meagher	3 hr
May 27, 3:37 PM MDT	Special Weather Statement	MSO	Flathead	23 min
May 27, 4:52 PM MDT	Special Weather Statement	MSO		38 min
May 27, 6:22 PM MDT	Special Weather Statement	MSO	Ravalli	23 min
May 27, 6:43 PM MDT	Special Weather Statement	BYZ	Park	47 min
May 27, 7:05 PM MDT	Special Weather Statement	MSO	Ravalli	25 min
May 27, 7:21 PM MDT	Special Weather Statement	TFX	Beaverhead	39 min
May 27, 7:37 PM MDT	Special Weather Statement	MSO	Ravalli	23 min
May 27, 7:45 PM MDT	Special Weather Statement	TFX	Broadwater	45 min
May 27, 7:50 PM MDT	Special Weather Statement	MSO	Missoula	25 min
May 27, 7:56 PM MDT	Special Weather Statement	MSO	Missoula	34 min
May 28, 1:49 AM MDT	Special Weather Statement	TFX	Pondera, Teton	41 min
May 28, 1:54 AM MDT	Severe Thunderstorm Warning	TFX	Lewis and Clark, Pondera, Teton	42 min
May 28, 2:45 AM MDT	Special Weather Statement	TFX	Pondera	60 min
May 28, 2:54 AM MDT	Special Weather Statement	TFX	Glacier, Pondera, Toole	96 min
May 28, 1:29 PM MDT	Special Weather Statement	TFX	Cascade	46 min
May 28, 2:08 PM MDT	Special Weather Statement	TFX	Meagher	52 min
May 28, 2:37 PM MDT	Areal Flood Advisory	TFX	Cascade, Meagher	3 hr
May 28, 3:30 PM MDT	Special Weather Statement	MSO	Powell	30 min
May 28, 3:34 PM MDT	Mesoscale Discussion	SPC	Lincoln, Mineral, Sanders	116 min
May 28, 3:54 PM MDT	Special Weather Statement	MSO		36 min
May 28, 4:06 PM MDT	Areal Flood Advisory	TFX	Cascade, Lewis and Clark, Meagher	3 hr
May 28, 4:14 PM MDT	Special Weather Statement	MSO	Powell	31 min
May 28, 4:21 PM MDT	Severe Thunderstorm Watch	SPC	Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 3 more	9 hr
May 28, 4:36 PM MDT	Special Weather Statement	TFX	Hill	39 min
May 28, 4:44 PM MDT	Special Weather Statement	MSO	Powell	31 min
May 28, 4:46 PM MDT	Special Weather Statement	MSO	Missoula	29 min
May 28, 4:57 PM MDT	Special Weather Statement	TFX	Pondera	48 min
May 28, 4:59 PM MDT	Special Weather Statement	MSO		31 min
May 28, 5:16 PM MDT	Special Weather Statement	MSO	Missoula	29 min
May 28, 5:19 PM MDT	Areal Flood Advisory	TFX	Chouteau, Hill	3 hr
May 28, 5:23 PM MDT	Special Weather Statement	MSO	Flathead	37 min
May 28, 5:24 PM MDT	Special Weather Statement	MSO	Powell	36 min
May 28, 5:27 PM MDT	Special Weather Statement	TFX	Judith Basin	48 min
May 28, 5:27 PM MDT	Severe Thunderstorm Warning	TFX	Glacier, Pondera, Toole	33 min
May 28, 5:30 PM MDT	Special Weather Statement	TFX	Liberty	45 min
May 28, 5:40 PM MDT	Severe Thunderstorm Warning	MSO	Flathead	35 min
May 28, 5:40 PM MDT	Areal Flood Advisory	TFX	Glacier, Pondera, Toole	2 hr
May 28, 5:47 PM MDT	Special Weather Statement	MSO	Missoula	28 min
May 28, 5:51 PM MDT	Special Weather Statement	MSO	Flathead	24 min
May 28, 6:05 PM MDT	Special Weather Statement	MSO	Flathead	25 min
May 28, 6:05 PM MDT	Special Weather Statement	TFX	Glacier	40 min
May 28, 6:11 PM MDT	Special Weather Statement	MSO	Missoula	34 min
May 28, 6:13 PM MDT	Flash Flood Warning	TFX	Glacier	114 min
May 28, 6:18 PM MDT	Special Weather Statement	TFX	Toole	42 min
May 28, 6:42 PM MDT	Mesoscale Discussion	SPC	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 4 more	63 min
May 28, 6:45 PM MDT	Severe Thunderstorm Warning	MSO	Missoula	30 min
May 28, 6:53 PM MDT	Special Weather Statement	MSO	Missoula	52 min
May 28, 7:08 PM MDT	Special Weather Statement	BYZ	Wheatland	37 min
May 28, 7:15 PM MDT	Special Weather Statement	MSO	Missoula	30 min
May 28, 7:31 PM MDT	Special Weather Statement	TFX	Glacier	29 min
May 28, 7:36 PM MDT	Areal Flood Advisory	TFX	Glacier	3 hr
May 28, 8:05 PM MDT	Special Weather Statement	MSO	Missoula	40 min
May 28, 8:07 PM MDT	Areal Flood Advisory	TFX	Glacier	55 min
May 28, 9:01 PM MDT	Mesoscale Discussion	SPC	Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 3 more	89 min
May 28, 10:11 PM MDT	Special Weather Statement	MSO	Flathead	34 min
May 28, 10:46 PM MDT	Special Weather Statement	TFX	Cascade, Pondera, Teton	44 min
May 28, 10:58 PM MDT	Special Weather Statement	MSO	Flathead	32 min
May 28, 11:11 PM MDT	Areal Flood Advisory	TFX	Cascade	67 min
May 28, 11:19 PM MDT	Special Weather Statement	MSO	Lincoln	26 min
May 28, 11:43 PM MDT	Special Weather Statement	TFX	Glacier, Pondera	47 min
May 28, 11:56 PM MDT	Special Weather Statement	MSO	Flathead	34 min
May 29, 12:47 AM MDT	Special Weather Statement	TFX	Toole	58 min
May 29, 10:15 AM MDT	Flash Flood Watch	BYZ	Carbon, Park, Rosebud, Stillwater, Sweet Grass	35 hr
May 29, 10:57 AM MDT	River Flood Watch	MSO	Missoula	4 days
May 29, 11:20 AM MDT	River Flood Watch	MSO	Flathead, Lake, Missoula	48 hr
May 29, 11:37 AM MDT	River Flood Watch	MSO	Flathead	68 hr
May 29, 12:13 PM MDT	Flood Watch	MSO	Flathead, Lake, Sanders	4 days
May 29, 1:18 PM MDT	Special Weather Statement	MSO	Powell	27 min
May 29, 1:22 PM MDT	Flood Watch	TFX	Cascade, Glacier, Lewis and Clark, Pondera, Teton, Toole	45 hr
May 29, 1:30 PM MDT	Mesoscale Discussion	SPC	Deer Lodge, Flathead, Glacier, Granite, Lake, Lewis and Clark and 4 more	2 hr
May 29, 1:51 PM MDT	Mesoscale Discussion	SPC	Blaine, Cascade, Chouteau, Fergus, Golden Valley, Hill and 5 more	114 min
May 29, 2:04 PM MDT	Special Weather Statement	TFX	Fergus	41 min
May 29, 2:22 PM MDT	Special Weather Statement	TFX	Pondera	38 min
May 29, 2:32 PM MDT	Special Weather Statement	TFX	Lewis and Clark	28 min
May 29, 2:50 PM MDT	Special Weather Statement	MSO	Mineral	25 min
May 29, 2:55 PM MDT	Special Weather Statement	TFX	Lewis and Clark	35 min
May 29, 3:15 PM MDT	Special Weather Statement	TFX	Lewis and Clark	30 min
May 29, 3:26 PM MDT	Special Weather Statement	TFX	Blaine	34 min
May 29, 3:27 PM MDT	Special Weather Statement	MSO	Missoula	33 min
May 29, 3:32 PM MDT	Special Weather Statement	TFX	Judith Basin	28 min
May 29, 3:40 PM MDT	Special Weather Statement	MSO	Mineral	35 min
May 29, 3:45 PM MDT	Special Weather Statement	TFX	Judith Basin	30 min
May 29, 3:53 PM MDT	Special Weather Statement	TFX	Fergus	37 min
May 29, 3:57 PM MDT	Areal Flood Advisory	TFX	Cascade, Judith Basin	3 hr
May 29, 3:59 PM MDT	Special Weather Statement	TFX	Blaine	31 min
May 29, 4:00 PM MDT	Special Weather Statement	TFX	Judith Basin	30 min
May 29, 4:08 PM MDT	Special Weather Statement	MSO	Sanders	37 min
May 29, 4:11 PM MDT	Special Weather Statement	TFX	Judith Basin	34 min
May 29, 4:14 PM MDT	Special Weather Statement	TFX	Blaine	31 min
May 29, 4:21 PM MDT	Special Weather Statement	MSO	Missoula	24 min
May 29, 4:22 PM MDT	Severe Thunderstorm Warning	TFX	Blaine	23 min
May 29, 4:24 PM MDT	Special Weather Statement	TFX	Judith Basin	51 min
May 29, 4:32 PM MDT	Flash Flood Warning	BYZ	Rosebud	3 hr
May 29, 4:43 PM MDT	Severe Thunderstorm Warning	TFX	Blaine	32 min
May 29, 4:56 PM MDT	Special Weather Statement	MSO	Lake	64 min
May 29, 5:01 PM MDT	Areal Flood Advisory	TFX	Blaine	3 hr
May 29, 5:03 PM MDT	Special Weather Statement	MSO	Sanders	27 min
May 29, 5:04 PM MDT	Special Weather Statement	BYZ	Powder River	41 min
May 29, 5:04 PM MDT	Special Weather Statement	MSO	Sanders	41 min
May 29, 5:04 PM MDT	Special Weather Statement	TFX	Fergus	26 min
May 29, 5:14 PM MDT	Special Weather Statement	GGW		61 min
May 29, 5:15 PM MDT	Special Weather Statement	TFX	Blaine	45 min
May 29, 5:30 PM MDT	Special Weather Statement	GGW	Petroleum	60 min
May 29, 5:41 PM MDT	Special Weather Statement	BYZ	Treasure	49 min
May 29, 5:43 PM MDT	Special Weather Statement	BYZ	Powder River	47 min
May 29, 5:44 PM MDT	Special Weather Statement	TFX	Petroleum	46 min
May 29, 5:50 PM MDT	Special Weather Statement	TFX	Hill	40 min
May 29, 6:13 PM MDT	Severe Thunderstorm Warning	GGW	Garfield, Petroleum	62 min
May 29, 6:16 PM MDT	Special Weather Statement	GGW	Phillips	59 min
May 29, 6:26 PM MDT	Special Weather Statement	TFX	Hill	49 min
May 29, 6:28 PM MDT	Special Weather Statement	TFX	Petroleum	47 min
May 29, 6:42 PM MDT	Severe Thunderstorm Warning	TFX	Fergus	48 min
May 29, 6:46 PM MDT	Special Weather Statement	BYZ	Custer	44 min
May 29, 6:47 PM MDT	Special Weather Statement	GGW	Phillips	58 min
May 29, 7:09 PM MDT	Severe Thunderstorm Warning	GGW	Garfield, Petroleum, Phillips	66 min
May 29, 7:09 PM MDT	Areal Flood Advisory	MSO	Sanders	4 hr
May 29, 7:44 PM MDT	Special Weather Statement	GGW	Phillips	61 min
May 29, 8:41 PM MDT	Special Weather Statement	GGW	Phillips	64 min
May 29, 9:47 PM MDT	Special Weather Statement	GGW	Valley	58 min
May 30, 9:44 AM MDT	Winter Weather Advisory	BYZ	Carbon, Park, Stillwater, Sweet Grass	37 hr
May 30, 2:13 PM MDT	Special Weather Statement	BYZ	Stillwater	47 min
May 30, 2:21 PM MDT	Mesoscale Discussion	SPC	Big Horn, Carter, Custer, Dawson, Fallon, Garfield and 9 more	2 hr
May 30, 2:36 PM MDT	Severe Thunderstorm Warning	BYZ	Carter	39 min
May 30, 3:50 PM MDT	Special Weather Statement	BYZ	Carter	55 min
May 30, 4:02 PM MDT	Areal Flood Advisory	BYZ	Yellowstone	119 min
May 30, 5:20 PM MDT	Mesoscale Discussion	SPC	Carter	85 min
May 30, 6:04 PM MDT	Special Weather Statement	BYZ	Custer	41 min
May 30, 6:09 PM MDT	Special Weather Statement	BYZ	Custer	36 min
May 30, 6:28 PM MDT	Areal Flood Advisory	TFX	Blaine	3 hr
May 30, 6:32 PM MDT	Severe Thunderstorm Warning	BYZ	Custer	42 min
May 30, 6:37 PM MDT	Special Weather Statement	BYZ	Powder River	38 min
May 30, 6:37 PM MDT	Special Weather Statement	GGW	Prairie	53 min
May 30, 6:40 PM MDT	Severe Thunderstorm Warning	BYZ	Big Horn, Rosebud	50 min
May 30, 6:53 PM MDT	Special Weather Statement	BYZ	Fallon	52 min
May 30, 7:12 PM MDT	Special Weather Statement	BYZ	Custer	48 min
May 30, 7:19 PM MDT	Severe Thunderstorm Warning	BYZ	Custer, Powder River	41 min
May 30, 7:28 PM MDT	Severe Thunderstorm Warning	GGW	Dawson, Prairie	62 min
May 30, 8:55 PM MDT	Special Weather Statement	GGW	Dawson	65 min
May 30, 8:57 PM MDT	Areal Flood Advisory	TFX	Chouteau, Hill, Liberty	3 hr
May 31, 12:03 AM MDT	Lake Wind Advisory	GGW	Garfield, McCone, Petroleum, Phillips, Valley	48 hr
May 31, 10:49 AM MDT	Areal Flood Advisory	TFX	Cascade, Glacier, Lewis and Clark, Pondera, Teton, Toole	13 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
Severe Thunderstorm Warning	41
Severe Thunderstorm Watch	3
Mesoscale Discussion	11
Special Weather Statement	172
Flooding
Flash Flood Warning	2
Flash Flood Watch	1
Flood Watch	2
River Flood Watch	4
Areal Flood Advisory	15
Winter
Winter Storm Warning	1
Winter Weather Advisory	7
Heat
Heat Advisory	3
Cold
Frost Advisory	3
Wind and dust
High Wind Warning	3
High Wind Watch	4
Blowing Dust Advisory	1
Lake Wind Advisory	6
Wind Advisory	2
Fire
Red Flag Warning	10
Fire Weather Watch	6

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 2025

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.