Alert archive / Montana / Severe Thunderstorm Warnings / 2011
Severe Thunderstorm Warnings in Montana, July 2011
238 severe thunderstorm warnings in July 2011. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in July 2011. Tap one for its archive.
- Severe Thunderstorm Warnings
- 238
- Busiest day
- July 15, 201125 severe thunderstorm warnings
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 |
|---|---|---|---|---|
| Jun 30, 8:41 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 52 min |
| Jul 2, 3:39 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 51 min |
| Jul 2, 4:15 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Powder River | 60 min |
| Jul 2, 4:30 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 37 min |
| Jul 2, 6:11 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Custer, Fallon | 49 min |
| Jul 2, 6:45 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Valley | 60 min |
| Jul 2, 7:01 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 26 min |
| Jul 2, 7:35 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Wibaux | 55 min |
| Jul 2, 7:40 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone | 45 min |
| Jul 2, 8:19 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland, Wibaux | 56 min |
| Jul 3, 5:53 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon, Stillwater, Yellowstone | 52 min |
| Jul 3, 6:18 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Treasure, Yellowstone | 57 min |
| Jul 3, 6:39 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Rosebud, Treasure, Yellowstone | 36 min |
| Jul 3, 7:05 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 55 min |
| Jul 3, 7:14 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud, Treasure | 43 min |
| Jul 3, 7:30 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 60 min |
| Jul 3, 7:55 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 65 min |
| Jul 3, 7:58 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Phillips, Valley | 62 min |
| Jul 3, 8:35 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River, Rosebud | 55 min |
| Jul 3, 8:54 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 66 min |
| Jul 3, 9:04 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Custer, Fallon, Powder River | 56 min |
| Jul 3, 9:39 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 51 min |
| Jul 3, 9:51 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Custer, Fallon | 54 min |
| Jul 3, 10:25 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 52 min |
| Jul 5, 6:45 AM MDT | Severe Thunderstorm Warning | GGW | McCone | 35 min |
| Jul 5, 5:36 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Valley | 54 min |
| Jul 5, 6:23 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone | 52 min |
| Jul 5, 7:15 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone | 60 min |
| Jul 5, 8:02 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone | 58 min |
| Jul 5, 9:02 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Prairie | 48 min |
| Jul 6, 1:50 AM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 55 min |
| Jul 6, 2:46 AM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 59 min |
| Jul 6, 5:28 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Carbon | 62 min |
| Jul 6, 5:42 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 63 min |
| Jul 6, 6:08 PM MDT | Severe Thunderstorm Warning | BYZ | Park | 57 min |
| Jul 6, 6:29 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass | 26 min |
| Jul 6, 6:33 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Carbon | 57 min |
| Jul 6, 6:46 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater, Yellowstone | 59 min |
| Jul 6, 7:15 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 60 min |
| Jul 7, 9:32 AM MDT | Severe Thunderstorm Warning | TFX | Fergus | 30 min |
| Jul 7, 9:41 AM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 64 min |
| Jul 7, 10:27 AM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum | 40 min |
| Jul 7, 1:53 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 41 min |
| Jul 7, 5:47 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Sweet Grass, Wheatland | 58 min |
| Jul 7, 6:23 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Wheatland | 29 min |
| Jul 7, 6:41 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 60 min |
| Jul 7, 7:17 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Stillwater, Yellowstone | 33 min |
| Jul 7, 8:12 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Musselshell, Stillwater, Yellowstone | 50 min |
| Jul 7, 8:38 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Rosebud, Treasure, Yellowstone | 42 min |
| Jul 7, 9:08 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Chouteau, Fergus, Hill | 52 min |
| Jul 8, 3:52 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon, Stillwater, Yellowstone | 53 min |
| Jul 8, 4:19 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Yellowstone | 56 min |
| Jul 8, 4:42 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Musselshell, Treasure, Yellowstone | 63 min |
| Jul 8, 7:16 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 59 min |
| Jul 8, 7:38 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 52 min |
| Jul 8, 8:15 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Valley | 60 min |
| Jul 8, 9:49 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt | 41 min |
| Jul 8, 10:57 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt | 48 min |
| Jul 11, 5:25 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 65 min |
| Jul 11, 6:07 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud | 36 min |
| Jul 12, 2:25 PM MDT | Severe Thunderstorm Warning | MSO | Powell | 35 min |
| Jul 12, 2:47 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Jefferson, Lewis and Clark | 58 min |
| Jul 12, 3:16 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 44 min |
| Jul 12, 4:27 PM MDT | Severe Thunderstorm Warning | MSO | Granite, Missoula | 48 min |
| Jul 13, 1:07 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 38 min |
| Jul 13, 1:28 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark, Teton | 62 min |
| Jul 13, 1:38 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 35 min |
| Jul 13, 2:32 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 18 min |
| Jul 13, 3:02 PM MDT | Severe Thunderstorm Warning | TFX | Glacier | 43 min |
| Jul 13, 3:32 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 43 min |
| Jul 13, 3:45 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass | 17 min |
| Jul 13, 3:56 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 49 min |
| Jul 13, 3:56 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 49 min |
| Jul 13, 4:08 PM MDT | Severe Thunderstorm Warning | TFX | Liberty, Toole | 52 min |
| Jul 13, 4:11 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 49 min |
| Jul 13, 4:39 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Lewis and Clark, Meagher | 66 min |
| Jul 13, 4:43 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 62 min |
| Jul 13, 4:56 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater, Yellowstone | 53 min |
| Jul 13, 5:00 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Judith Basin | 45 min |
| Jul 13, 5:16 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 44 min |
| Jul 13, 5:23 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Powder River | 23 min |
| Jul 13, 5:38 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Judith Basin, Meagher | 52 min |
| Jul 13, 6:08 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Chouteau, Hill | 37 min |
| Jul 13, 7:12 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Hill | 48 min |
| Jul 13, 9:51 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 34 min |
| Jul 13, 11:17 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 28 min |
| Jul 13, 11:38 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 45 min |
| Jul 14, 7:25 AM MDT | Severe Thunderstorm Warning | MSO | Silver Bow | 50 min |
| Jul 14, 3:44 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Wheatland | 40 min |
| Jul 14, 3:53 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 52 min |
| Jul 14, 4:07 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon, Stillwater, Yellowstone | 38 min |
| Jul 14, 4:29 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 61 min |
| Jul 14, 5:13 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 62 min |
| Jul 14, 5:27 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 63 min |
| Jul 14, 5:30 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Yellowstone | 60 min |
| Jul 14, 5:35 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Stillwater, Yellowstone | 33 min |
| Jul 14, 5:52 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Phillips | 53 min |
| Jul 14, 6:01 PM MDT | Severe Thunderstorm Warning | BYZ | Treasure, Yellowstone | 59 min |
| Jul 14, 6:09 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Rosebud | 51 min |
| Jul 14, 6:26 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 64 min |
| Jul 14, 6:28 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Treasure | 62 min |
| Jul 14, 6:43 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 62 min |
| Jul 14, 6:59 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud, Treasure | 31 min |
| Jul 14, 7:14 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 61 min |
| Jul 14, 7:16 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud, Treasure | 59 min |
| Jul 14, 7:45 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 60 min |
| Jul 14, 7:58 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Prairie | 62 min |
| Jul 14, 8:02 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River, Rosebud | 58 min |
| Jul 14, 8:42 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone | 63 min |
| Jul 14, 8:44 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Valley | 61 min |
| Jul 14, 8:59 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 61 min |
| Jul 14, 9:17 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 58 min |
| Jul 14, 9:33 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie, Wibaux | 57 min |
| Jul 14, 9:40 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Custer, Fallon | 50 min |
| Jul 14, 9:44 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Sheridan | 61 min |
| Jul 14, 10:16 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 29 min |
| Jul 14, 10:29 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 46 min |
| Jul 14, 10:29 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Wibaux | 46 min |
| Jul 15, 12:43 AM MDT | Severe Thunderstorm Warning | BYZ | Custer | 47 min |
| Jul 15, 1:29 AM MDT | Severe Thunderstorm Warning | BYZ | Custer, Fallon | 46 min |
| Jul 15, 5:51 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 54 min |
| Jul 15, 5:55 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Musselshell | 65 min |
| Jul 15, 6:36 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum, Phillips | 54 min |
| Jul 15, 6:44 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Rosebud | 61 min |
| Jul 15, 7:30 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 60 min |
| Jul 15, 10:06 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland, Wibaux | 54 min |
| Jul 15, 10:38 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Rosebud, Treasure, Yellowstone | 52 min |
| Jul 15, 10:43 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 41 min |
| Jul 15, 11:14 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 17 min |
| Jul 16, 2:23 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Fergus | 52 min |
| Jul 16, 3:15 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Fergus | 15 min |
| Jul 16, 3:17 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 58 min |
| Jul 16, 4:15 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 60 min |
| Jul 16, 5:11 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 37 min |
| Jul 16, 5:25 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Musselshell | 35 min |
| Jul 16, 5:40 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 35 min |
| Jul 16, 5:57 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum, Phillips | 63 min |
| Jul 16, 6:12 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 48 min |
| Jul 16, 6:29 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 61 min |
| Jul 16, 6:36 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 54 min |
| Jul 16, 6:52 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 38 min |
| Jul 16, 6:56 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 36 min |
| Jul 16, 6:59 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 61 min |
| Jul 16, 7:23 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Rosebud | 37 min |
| Jul 16, 7:53 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Phillips, Valley | 67 min |
| Jul 16, 8:17 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Fergus | 43 min |
| Jul 16, 8:36 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau | 54 min |
| Jul 16, 8:44 PM MDT | Severe Thunderstorm Warning | TFX | Glacier, Toole | 46 min |
| Jul 16, 8:52 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Valley | 53 min |
| Jul 16, 8:57 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Fergus | 63 min |
| Jul 16, 10:57 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 48 min |
| Jul 17, 12:45 AM MDT | Severe Thunderstorm Warning | TFX | Blaine | 30 min |
| Jul 17, 12:51 AM MDT | Severe Thunderstorm Warning | TFX | Blaine | 39 min |
| Jul 17, 1:29 AM MDT | Severe Thunderstorm Warning | TFX | Blaine | 16 min |
| Jul 19, 4:07 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Hill, Liberty | 38 min |
| Jul 19, 5:14 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 31 min |
| Jul 19, 5:30 PM MDT | Severe Thunderstorm Warning | MSO | Lake, Missoula, Sanders | 30 min |
| Jul 19, 5:54 PM MDT | Severe Thunderstorm Warning | MSO | Flathead, Missoula, Powell | 51 min |
| Jul 19, 6:15 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 60 min |
| Jul 19, 8:18 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 72 min |
| Jul 19, 9:25 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 29 min |
| Jul 22, 1:00 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 60 min |
| Jul 22, 1:02 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 58 min |
| Jul 22, 1:15 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 37 min |
| Jul 22, 1:48 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 57 min |
| Jul 22, 2:02 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 58 min |
| Jul 22, 2:17 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 58 min |
| Jul 22, 2:46 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Valley | 44 min |
| Jul 22, 3:12 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Roosevelt, Valley | 63 min |
| Jul 22, 3:18 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 57 min |
| Jul 22, 3:29 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Valley | 61 min |
| Jul 22, 3:30 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Prairie | 60 min |
| Jul 22, 4:09 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Richland, Roosevelt | 36 min |
| Jul 22, 4:23 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Garfield, McCone, Prairie, Richland | 67 min |
| Jul 22, 4:35 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Dawson, McCone, Richland, Roosevelt, Sheridan | 55 min |
| Jul 22, 4:54 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 66 min |
| Jul 22, 4:58 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Prairie | 32 min |
| Jul 22, 5:00 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Valley | 60 min |
| Jul 22, 5:12 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Prairie, Richland, Roosevelt, Sheridan and 1 more | 63 min |
| Jul 22, 5:36 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Custer, Fallon | 69 min |
| Jul 22, 5:43 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Valley | 21 min |
| Jul 22, 6:15 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie, Richland, Roosevelt, Wibaux | 46 min |
| Jul 22, 6:41 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Fallon | 79 min |
| Jul 25, 2:38 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 52 min |
| Jul 25, 3:16 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Powder River | 59 min |
| Jul 25, 3:25 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 65 min |
| Jul 25, 4:07 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Powder River | 53 min |
| Jul 25, 4:13 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 62 min |
| Jul 25, 4:13 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 48 min |
| Jul 25, 4:21 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 54 min |
| Jul 25, 5:01 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River | 30 min |
| Jul 25, 5:23 PM MDT | Severe Thunderstorm Warning | MSO | Flathead, Sanders | 52 min |
| Jul 25, 5:32 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Judith Basin | 43 min |
| Jul 25, 5:48 PM MDT | Severe Thunderstorm Warning | MSO | Flathead, Lake, Sanders | 42 min |
| Jul 25, 6:28 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 32 min |
| Jul 25, 7:37 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Phillips, Valley | 68 min |
| Jul 25, 7:52 PM MDT | Severe Thunderstorm Warning | MSO | Flathead, Lake | 38 min |
| Jul 25, 8:00 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 60 min |
| Jul 25, 9:11 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone | 64 min |
| Jul 26, 1:28 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 34 min |
| Jul 26, 1:50 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 55 min |
| Jul 26, 2:18 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum | 57 min |
| Jul 26, 2:27 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 31 min |
| Jul 26, 3:04 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Rosebud | 56 min |
| Jul 26, 3:11 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum | 36 min |
| Jul 26, 3:24 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Sheridan | 66 min |
| Jul 26, 3:54 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum, Phillips | 66 min |
| Jul 26, 4:04 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River, Rosebud | 56 min |
| Jul 26, 4:25 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Sheridan | 55 min |
| Jul 26, 4:56 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Valley | 64 min |
| Jul 26, 5:29 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 46 min |
| Jul 26, 5:53 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone | 37 min |
| Jul 26, 5:57 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 36 min |
| Jul 26, 6:04 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 56 min |
| Jul 26, 6:12 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Valley | 48 min |
| Jul 26, 6:32 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 43 min |
| Jul 26, 7:14 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Custer, Fallon | 46 min |
| Jul 26, 7:55 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Fallon | 28 min |
| Jul 26, 9:41 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Musselshell | 18 min |
| Jul 26, 10:00 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 30 min |
| Jul 26, 10:31 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 29 min |
| Jul 26, 11:14 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 31 min |
| Jul 26, 11:44 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud | 46 min |
| Jul 29, 3:26 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 64 min |
| Jul 29, 4:50 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Sheridan | 43 min |
| Jul 29, 5:29 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Richland | 61 min |
| Jul 29, 5:39 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 49 min |
| Jul 29, 6:07 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Sheridan | 53 min |
| Jul 29, 6:26 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Richland | 34 min |
| Jul 29, 6:51 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Sheridan | 54 min |
| Jul 29, 6:57 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Richland | 33 min |
| Jul 29, 7:29 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland | 31 min |
| Jul 29, 7:54 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland, Wibaux | 66 min |
| Jul 29, 7:56 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Sheridan | 19 min |
| Jul 29, 8:58 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Wibaux | 52 min |
| Jul 30, 5:09 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 36 min |
| Jul 30, 5:35 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau | 40 min |
| Jul 30, 5:46 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 29 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Valley County31
- Garfield County27
- Rosebud County26
- Phillips County26
- McCone County24
- Custer County23
- Yellowstone County21
- Carter County18
- Musselshell County17
- Roosevelt County16
- Richland County15
- Big Horn County15
- Powder River County13
- Dawson County13
- Fallon County12
- Daniels County11
- Treasure County10
- Fergus County10
- Wibaux County9
- Stillwater County9
- Petroleum County9
- Golden Valley County9
- Chouteau County9
- Cascade County9
- Sheridan County9
- Prairie County8
- Blaine County8
- Lewis and Clark County8
- Flathead County6
- Carbon County5
- Hill County4
- Missoula County4
- Sweet Grass County3
- Wheatland County3
- Judith Basin County3
- Lake County3
- Sanders County3
- Powell County2
- Glacier County2
- Liberty County2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.