Alert archive / Montana / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Montana, 2005
484 severe thunderstorm warnings in 2005. 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 2005. Tap one for its archive.
- Severe Thunderstorm Warnings
- 484
- Busiest month
- June302 severe thunderstorm warnings
- Busiest day
- June 25, 200542 severe thunderstorm warnings
Over time
By month
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 6, 3:34 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 56 min |
| May 6, 4:28 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 47 min |
| May 6, 5:05 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 51 min |
| May 6, 5:15 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 30 min |
| May 6, 5:58 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 62 min |
| May 6, 6:07 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 53 min |
| May 6, 6:08 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie | 52 min |
| May 6, 7:22 PM MDT | Severe Thunderstorm Warning | BYZ | Treasure | 53 min |
| May 6, 7:54 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 66 min |
| May 6, 8:58 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 33 min |
| May 17, 10:59 AM MDT | Severe Thunderstorm Warning | GGW | Phillips | 46 min |
| May 17, 12:44 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 66 min |
| May 17, 3:15 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Valley | 65 min |
| May 19, 2:37 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 23 min |
| May 19, 3:00 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Yellowstone | 39 min |
| May 20, 4:21 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 24 min |
| May 20, 5:47 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Musselshell | 28 min |
| May 20, 6:16 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 29 min |
| May 20, 6:45 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Rosebud | 45 min |
| May 20, 7:29 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 61 min |
| May 20, 8:07 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 23 min |
| May 20, 8:16 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 44 min |
| May 20, 8:19 PM MDT | Severe Thunderstorm Warning | BYZ | Treasure | 41 min |
| May 20, 8:54 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 66 min |
| May 20, 9:19 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 41 min |
| May 20, 9:35 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 25 min |
| May 20, 9:36 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Wibaux | 47 min |
| May 20, 9:59 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie | 46 min |
| May 20, 10:21 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 60 min |
| May 20, 10:32 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 28 min |
| May 20, 10:34 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland, Wibaux | 41 min |
| May 20, 11:11 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 64 min |
| May 20, 11:17 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 45 min |
| May 21, 12:59 AM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Richland | 61 min |
| Jun 1, 1:48 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 57 min |
| Jun 1, 2:44 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 90 min |
| Jun 1, 5:52 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 53 min |
| Jun 1, 6:17 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 58 min |
| Jun 1, 6:43 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 36 min |
| Jun 1, 7:13 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 55 min |
| Jun 1, 7:35 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Wibaux | 56 min |
| Jun 5, 1:26 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 49 min |
| Jun 5, 2:13 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 35 min |
| Jun 5, 2:30 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 60 min |
| Jun 5, 3:07 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 23 min |
| Jun 5, 3:24 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 51 min |
| Jun 5, 3:30 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark, Teton | 60 min |
| Jun 5, 4:08 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 67 min |
| Jun 5, 4:28 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark, Teton | 62 min |
| Jun 5, 5:13 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 62 min |
| Jun 5, 5:31 PM MDT | Severe Thunderstorm Warning | TFX | Teton | 59 min |
| Jun 5, 6:30 PM MDT | Severe Thunderstorm Warning | TFX | Teton | 60 min |
| Jun 5, 6:33 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 36 min |
| Jun 5, 6:39 PM MDT | Severe Thunderstorm Warning | TFX | Glacier | 66 min |
| Jun 5, 6:44 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 61 min |
| Jun 5, 7:03 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 52 min |
| Jun 5, 7:31 PM MDT | Severe Thunderstorm Warning | TFX | Teton | 61 min |
| Jun 5, 8:03 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 42 min |
| Jun 5, 8:13 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 63 min |
| Jun 5, 8:29 PM MDT | Severe Thunderstorm Warning | TFX | Pondera | 61 min |
| Jun 6, 3:19 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 57 min |
| Jun 6, 3:54 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 36 min |
| Jun 6, 4:08 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 32 min |
| Jun 6, 4:12 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 63 min |
| Jun 6, 4:36 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 24 min |
| Jun 6, 4:56 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 64 min |
| Jun 6, 5:56 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 25 min |
| Jun 6, 6:39 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Prairie | 68 min |
| Jun 6, 7:03 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 41 min |
| Jun 6, 7:23 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone | 67 min |
| Jun 6, 7:27 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 63 min |
| Jun 6, 8:21 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Richland | 54 min |
| Jun 7, 2:37 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud | 38 min |
| Jun 11, 5:03 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 48 min |
| Jun 15, 3:00 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 38 min |
| Jun 15, 6:37 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass | 39 min |
| Jun 16, 12:17 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 58 min |
| Jun 16, 1:14 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 61 min |
| Jun 16, 2:17 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 58 min |
| Jun 16, 2:37 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 53 min |
| Jun 16, 3:04 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 31 min |
| Jun 16, 3:14 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead | 62 min |
| Jun 16, 3:27 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 38 min |
| Jun 16, 4:02 PM MDT | Severe Thunderstorm Warning | MSO | Deer Lodge | 59 min |
| Jun 16, 4:29 PM MDT | Severe Thunderstorm Warning | MSO | Silver Bow | 48 min |
| Jun 16, 5:11 PM MDT | Severe Thunderstorm Warning | TFX | Jefferson | 82 min |
| Jun 16, 5:53 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 67 min |
| Jun 16, 6:02 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum, Phillips | 58 min |
| Jun 16, 6:20 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Lewis and Clark | 40 min |
| Jun 16, 6:44 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Meagher | 84 min |
| Jun 16, 6:58 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Phillips | 54 min |
| Jun 16, 7:21 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 54 min |
| Jun 16, 7:51 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 52 min |
| Jun 16, 7:57 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 36 min |
| Jun 16, 8:08 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 67 min |
| Jun 16, 8:11 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 64 min |
| Jun 16, 8:11 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 64 min |
| Jun 16, 8:30 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 45 min |
| Jun 16, 8:51 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 54 min |
| Jun 16, 9:02 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 62 min |
| Jun 16, 9:14 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum | 49 min |
| Jun 16, 9:38 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead, Madison | 57 min |
| Jun 16, 9:56 PM MDT | Severe Thunderstorm Warning | BYZ | Treasure, Yellowstone | 65 min |
| Jun 17, 12:31 AM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Prairie | 59 min |
| Jun 17, 2:05 AM MDT | Severe Thunderstorm Warning | GGW | McCone, Richland, Roosevelt | 55 min |
| Jun 17, 3:25 AM MDT | Severe Thunderstorm Warning | GGW | Daniels, Sheridan | 65 min |
| Jun 17, 3:32 AM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Sheridan | 58 min |
| Jun 17, 11:29 AM MDT | Severe Thunderstorm Warning | MSO | Granite, Powell | 47 min |
| Jun 17, 12:43 PM MDT | Severe Thunderstorm Warning | MSO | Powell | 25 min |
| Jun 17, 12:56 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark, Teton | 39 min |
| Jun 17, 3:23 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Judith Basin | 37 min |
| Jun 17, 3:56 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Fergus | 49 min |
| Jun 17, 3:59 PM MDT | Severe Thunderstorm Warning | TFX | Toole | 52 min |
| Jun 17, 4:18 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Liberty | 45 min |
| Jun 17, 4:46 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 21 min |
| Jun 17, 5:04 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 51 min |
| Jun 17, 5:07 PM MDT | Severe Thunderstorm Warning | TFX | Hill, Liberty | 27 min |
| Jun 17, 5:22 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 29 min |
| Jun 17, 5:42 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 83 min |
| Jun 17, 5:52 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 54 min |
| Jun 17, 7:34 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 56 min |
| Jun 17, 8:10 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 65 min |
| Jun 17, 8:43 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Valley | 62 min |
| Jun 17, 9:19 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Valley | 26 min |
| Jun 17, 9:48 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Garfield, McCone, Roosevelt, Valley | 57 min |
| Jun 17, 10:44 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Valley | 61 min |
| Jun 17, 10:53 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 47 min |
| Jun 18, 8:48 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 58 min |
| Jun 18, 10:09 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River | 66 min |
| Jun 18, 10:28 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 62 min |
| Jun 18, 11:20 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 49 min |
| Jun 18, 11:32 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 45 min |
| Jun 19, 8:29 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 57 min |
| Jun 19, 10:06 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 54 min |
| Jun 19, 10:28 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 44 min |
| Jun 19, 10:57 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 35 min |
| Jun 19, 10:59 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 61 min |
| Jun 19, 11:49 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 58 min |
| Jun 20, 12:35 AM MDT | Severe Thunderstorm Warning | BYZ | Rosebud, Treasure | 55 min |
| Jun 20, 1:17 AM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland, Wibaux | 36 min |
| Jun 20, 1:22 AM MDT | Severe Thunderstorm Warning | GGW | Garfield | 23 min |
| Jun 20, 1:28 AM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Prairie | 62 min |
| Jun 20, 1:29 AM MDT | Severe Thunderstorm Warning | BYZ | Rosebud, Treasure | 61 min |
| Jun 20, 1:42 AM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum | 63 min |
| Jun 20, 1:46 AM MDT | Severe Thunderstorm Warning | GGW | Garfield | 28 min |
| Jun 20, 2:11 AM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 64 min |
| Jun 20, 2:25 AM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie, Wibaux | 65 min |
| Jun 20, 3:07 AM MDT | Severe Thunderstorm Warning | BYZ | Custer, Fallon | 53 min |
| Jun 20, 3:19 AM MDT | Severe Thunderstorm Warning | GGW | Prairie, Wibaux | 51 min |
| Jun 20, 3:47 AM MDT | Severe Thunderstorm Warning | GGW | Garfield | 43 min |
| Jun 20, 3:57 AM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 64 min |
| Jun 20, 6:56 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 64 min |
| Jun 20, 9:14 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 61 min |
| Jun 20, 9:52 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 27 min |
| Jun 20, 9:57 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 63 min |
| Jun 20, 10:57 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 63 min |
| Jun 20, 11:53 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Roosevelt, Valley | 67 min |
| Jun 21, 12:55 AM MDT | Severe Thunderstorm Warning | GGW | McCone, Roosevelt, Valley | 65 min |
| Jun 21, 1:42 AM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt | 64 min |
| Jun 21, 2:21 AM MDT | Severe Thunderstorm Warning | GGW | Richland | 26 min |
| Jun 21, 3:24 AM MDT | Severe Thunderstorm Warning | GGW | Valley | 51 min |
| Jun 21, 4:14 AM MDT | Severe Thunderstorm Warning | GGW | Valley | 61 min |
| Jun 21, 5:43 AM MDT | Severe Thunderstorm Warning | GGW | Daniels, Valley | 30 min |
| Jun 21, 4:48 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 27 min |
| Jun 21, 5:05 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon, Stillwater | 55 min |
| Jun 21, 5:41 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 66 min |
| Jun 21, 6:14 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Musselshell | 62 min |
| Jun 21, 7:13 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 61 min |
| Jun 21, 7:24 PM MDT | Severe Thunderstorm Warning | TFX | Glacier, Pondera | 57 min |
| Jun 21, 7:31 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Rosebud, Treasure | 59 min |
| Jun 21, 7:55 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 65 min |
| Jun 21, 9:05 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 45 min |
| Jun 22, 3:43 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark, Meagher | 47 min |
| Jun 22, 4:00 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Musselshell | 54 min |
| Jun 22, 4:17 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 58 min |
| Jun 22, 4:20 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon | 25 min |
| Jun 22, 5:16 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Judith Basin | 59 min |
| Jun 22, 5:47 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 41 min |
| Jun 22, 6:16 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Hill | 60 min |
| Jun 22, 6:17 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 43 min |
| Jun 22, 7:05 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 55 min |
| Jun 22, 7:05 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 73 min |
| Jun 22, 8:10 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 65 min |
| Jun 22, 9:11 PM MDT | Severe Thunderstorm Warning | BYZ | Park | 64 min |
| Jun 22, 9:13 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 62 min |
| Jun 22, 10:14 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 61 min |
| Jun 22, 10:50 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 55 min |
| Jun 23, 2:12 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon, Stillwater, Yellowstone | 63 min |
| Jun 23, 3:15 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Yellowstone | 38 min |
| Jun 23, 3:44 PM MDT | Severe Thunderstorm Warning | TFX | Madison | 46 min |
| Jun 23, 4:28 PM MDT | Severe Thunderstorm Warning | TFX | Madison | 62 min |
| Jun 23, 4:57 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 30 min |
| Jun 23, 5:29 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin, Madison | 42 min |
| Jun 24, 5:13 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 47 min |
| Jun 24, 6:03 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Powder River | 57 min |
| Jun 24, 6:26 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 64 min |
| Jun 24, 6:44 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon, Yellowstone | 61 min |
| Jun 24, 6:59 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud | 39 min |
| Jun 24, 7:00 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 60 min |
| Jun 24, 7:08 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 67 min |
| Jun 24, 7:40 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon | 65 min |
| Jun 24, 7:57 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 32 min |
| Jun 24, 8:02 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 53 min |
| Jun 24, 8:13 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 62 min |
| Jun 24, 8:43 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 47 min |
| Jun 24, 9:29 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 46 min |
| Jun 24, 9:58 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 62 min |
| Jun 24, 10:11 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 39 min |
| Jun 24, 10:24 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 66 min |
| Jun 24, 10:41 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 64 min |
| Jun 24, 10:58 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 47 min |
| Jun 24, 11:00 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Custer, Fallon, Powder River | 90 min |
| Jun 24, 11:46 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 44 min |
| Jun 24, 11:51 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Prairie | 54 min |
| Jun 25, 2:47 AM MDT | Severe Thunderstorm Warning | GGW | Phillips | 36 min |
| Jun 25, 1:18 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 42 min |
| Jun 25, 1:26 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 64 min |
| Jun 25, 1:38 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 67 min |
| Jun 25, 1:44 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 41 min |
| Jun 25, 1:52 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 56 min |
| Jun 25, 2:11 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 34 min |
| Jun 25, 2:56 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 64 min |
| Jun 25, 3:16 PM MDT | Severe Thunderstorm Warning | TFX | Meagher | 59 min |
| Jun 25, 3:34 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead | 41 min |
| Jun 25, 3:43 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Jefferson | 47 min |
| Jun 25, 3:48 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 27 min |
| Jun 25, 3:49 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 41 min |
| Jun 25, 4:01 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 59 min |
| Jun 25, 4:12 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Musselshell | 63 min |
| Jun 25, 4:26 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Judith Basin | 64 min |
| Jun 25, 4:35 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Roosevelt, Valley | 55 min |
| Jun 25, 4:45 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 29 min |
| Jun 25, 4:52 PM MDT | Severe Thunderstorm Warning | TFX | Meagher | 53 min |
| Jun 25, 4:54 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 66 min |
| Jun 25, 5:12 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Rosebud | 63 min |
| Jun 25, 5:29 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 61 min |
| Jun 25, 6:02 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 58 min |
| Jun 25, 6:07 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Sheridan | 53 min |
| Jun 25, 6:10 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 35 min |
| Jun 25, 6:13 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 47 min |
| Jun 25, 6:31 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 59 min |
| Jun 25, 6:59 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 61 min |
| Jun 25, 7:02 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone | 58 min |
| Jun 25, 7:10 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 35 min |
| Jun 25, 7:27 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 63 min |
| Jun 25, 7:30 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 16 min |
| Jun 25, 7:44 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Valley | 63 min |
| Jun 25, 7:47 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 30 min |
| Jun 25, 8:00 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Roosevelt | 60 min |
| Jun 25, 8:01 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 29 min |
| Jun 25, 8:13 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 62 min |
| Jun 25, 8:18 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Sheridan | 27 min |
| Jun 25, 8:22 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 57 min |
| Jun 25, 8:32 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 58 min |
| Jun 25, 8:43 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 57 min |
| Jun 25, 8:51 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland, Wibaux | 36 min |
| Jun 25, 9:04 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland, Roosevelt | 56 min |
| Jun 25, 9:15 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 32 min |
| Jun 25, 9:29 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 26 min |
| Jun 25, 10:04 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland, Wibaux | 26 min |
| Jun 26, 1:43 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 32 min |
| Jun 26, 3:25 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 65 min |
| Jun 26, 3:43 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Fallon | 22 min |
| Jun 26, 4:01 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 59 min |
| Jun 26, 4:27 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 33 min |
| Jun 26, 4:58 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Powder River | 62 min |
| Jun 26, 5:50 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 25 min |
| Jun 27, 3:04 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 41 min |
| Jun 27, 3:40 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 52 min |
| Jun 27, 4:12 PM MDT | Severe Thunderstorm Warning | BYZ | Park | 31 min |
| Jun 27, 4:29 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 46 min |
| Jun 27, 5:03 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Meagher | 61 min |
| Jun 27, 5:10 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass | 35 min |
| Jun 27, 5:17 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 28 min |
| Jun 27, 5:32 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 28 min |
| Jun 27, 5:33 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 57 min |
| Jun 27, 5:43 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Judith Basin | 47 min |
| Jun 27, 5:45 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass | 14 min |
| Jun 27, 5:46 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 29 min |
| Jun 27, 5:57 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon | 33 min |
| Jun 27, 6:01 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 49 min |
| Jun 27, 6:17 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 43 min |
| Jun 27, 6:26 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon | 34 min |
| Jun 27, 6:30 PM MDT | Severe Thunderstorm Warning | TFX | Liberty, Toole | 55 min |
| Jun 27, 7:26 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 48 min |
| Jun 27, 8:06 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Musselshell | 55 min |
| Jun 27, 8:52 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 38 min |
| Jun 27, 10:45 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 61 min |
| Jun 27, 10:47 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 58 min |
| Jun 28, 12:02 AM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 58 min |
| Jun 28, 1:08 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 67 min |
| Jun 28, 2:50 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 40 min |
| Jun 28, 2:59 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 28 min |
| Jun 28, 3:18 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 57 min |
| Jun 28, 3:30 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 45 min |
| Jun 28, 3:58 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 32 min |
| Jun 28, 4:01 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 59 min |
| Jun 28, 4:10 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 65 min |
| Jun 28, 4:18 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 42 min |
| Jun 28, 4:38 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 67 min |
| Jun 28, 4:45 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 60 min |
| Jun 28, 4:49 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 56 min |
| Jun 28, 5:02 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum | 58 min |
| Jun 28, 5:07 PM MDT | Severe Thunderstorm Warning | TFX | Pondera | 38 min |
| Jun 28, 5:14 PM MDT | Severe Thunderstorm Warning | BYZ | Treasure, Yellowstone | 61 min |
| Jun 28, 5:17 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Phillips | 58 min |
| Jun 28, 5:28 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum | 62 min |
| Jun 28, 5:43 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 62 min |
| Jun 28, 5:45 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 60 min |
| Jun 28, 5:54 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum | 66 min |
| Jun 28, 5:59 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 61 min |
| Jun 28, 6:03 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 59 min |
| Jun 28, 6:11 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Phillips | 64 min |
| Jun 28, 6:21 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 54 min |
| Jun 28, 6:46 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone | 59 min |
| Jun 28, 6:47 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 21 min |
| Jun 28, 6:58 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 62 min |
| Jun 28, 7:17 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River | 58 min |
| Jun 28, 7:39 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 66 min |
| Jun 28, 7:42 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Prairie, Valley | 63 min |
| Jun 28, 7:49 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 35 min |
| Jun 28, 8:19 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Fallon | 76 min |
| Jun 28, 8:22 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 53 min |
| Jun 28, 8:29 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Garfield, McCone, Prairie, Roosevelt, Valley | 61 min |
| Jun 28, 8:33 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 57 min |
| Jun 28, 8:41 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 64 min |
| Jun 28, 8:45 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 48 min |
| Jun 28, 8:56 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 33 min |
| Jun 28, 8:59 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Garfield, McCone, Prairie, Roosevelt, Valley | 61 min |
| Jun 28, 9:15 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie, Wibaux | 46 min |
| Jun 28, 9:26 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 34 min |
| Jun 28, 9:39 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 66 min |
| Jun 28, 9:40 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland, Wibaux | 65 min |
| Jun 28, 10:38 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 37 min |
| Jun 28, 10:49 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 56 min |
| Jun 28, 11:44 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 46 min |
| Jul 1, 5:17 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 28 min |
| Jul 1, 5:34 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 41 min |
| Jul 1, 5:45 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 30 min |
| Jul 1, 5:59 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 61 min |
| Jul 1, 6:15 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Yellowstone | 21 min |
| Jul 1, 6:56 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum | 64 min |
| Jul 1, 7:53 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 49 min |
| Jul 1, 8:13 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 32 min |
| Jul 2, 1:45 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Yellowstone | 45 min |
| Jul 2, 2:29 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Yellowstone | 61 min |
| Jul 2, 2:53 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass | 67 min |
| Jul 2, 3:31 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 59 min |
| Jul 2, 3:35 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Stillwater, Sweet Grass, Wheatland | 55 min |
| Jul 2, 4:08 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River, Rosebud | 70 min |
| Jul 2, 4:30 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 15 min |
| Jul 2, 4:30 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 30 min |
| Jul 2, 5:11 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 64 min |
| Jul 2, 5:54 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 66 min |
| Jul 2, 6:09 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 66 min |
| Jul 2, 7:15 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Valley | 60 min |
| Jul 2, 8:03 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Sheridan | 57 min |
| Jul 2, 8:56 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Sheridan | 64 min |
| Jul 8, 9:45 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 35 min |
| Jul 9, 2:04 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead | 37 min |
| Jul 9, 2:39 PM MDT | Severe Thunderstorm Warning | TFX | Madison | 66 min |
| Jul 9, 5:20 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 51 min |
| Jul 9, 10:51 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 39 min |
| Jul 9, 11:51 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 23 min |
| Jul 10, 6:43 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 67 min |
| Jul 13, 4:45 PM MDT | Severe Thunderstorm Warning | TFX | Meagher | 48 min |
| Jul 13, 6:22 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 47 min |
| Jul 13, 6:27 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 65 min |
| Jul 13, 7:19 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 56 min |
| Jul 13, 8:01 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt | 59 min |
| Jul 13, 8:09 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 66 min |
| Jul 13, 8:13 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Richland, Roosevelt | 15 min |
| Jul 13, 8:30 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt, Sheridan | 60 min |
| Jul 13, 8:45 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 60 min |
| Jul 13, 8:54 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Prairie, Richland | 66 min |
| Jul 13, 9:01 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Richland, Roosevelt, Valley | 59 min |
| Jul 13, 9:23 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Dawson, Richland, Roosevelt, Valley, Wibaux | 67 min |
| Jul 13, 9:32 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt, Sheridan | 58 min |
| Jul 13, 9:59 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland | 46 min |
| Jul 13, 10:28 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland, Wibaux | 37 min |
| Jul 15, 9:49 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 26 min |
| Jul 15, 10:15 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Carbon, Yellowstone | 33 min |
| Jul 16, 12:21 PM MDT | Severe Thunderstorm Warning | TFX | Toole | 54 min |
| Jul 16, 1:14 PM MDT | Severe Thunderstorm Warning | TFX | Liberty, Toole | 63 min |
| Jul 16, 2:07 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 53 min |
| Jul 16, 4:51 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 54 min |
| Jul 16, 5:30 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Valley | 60 min |
| Jul 16, 6:03 PM MDT | Severe Thunderstorm Warning | MSO | Mineral | 28 min |
| Jul 16, 6:54 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 26 min |
| Jul 16, 7:06 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 24 min |
| Jul 21, 4:59 AM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Sheridan | 61 min |
| Jul 21, 5:51 AM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Sheridan | 51 min |
| Jul 22, 7:14 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River, Rosebud | 61 min |
| Jul 22, 7:41 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 64 min |
| Jul 22, 8:39 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 36 min |
| Jul 22, 9:00 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 38 min |
| Jul 22, 9:14 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 40 min |
| Jul 23, 4:48 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon | 42 min |
| Jul 23, 5:17 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 55 min |
| Jul 23, 5:42 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 63 min |
| Jul 23, 6:46 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 59 min |
| Jul 23, 7:46 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud | 44 min |
| Jul 23, 8:20 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 55 min |
| Jul 24, 7:51 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 54 min |
| Aug 1, 8:15 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Valley | 45 min |
| Aug 1, 8:46 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 59 min |
| Aug 1, 8:49 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 56 min |
| Aug 1, 9:00 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 30 min |
| Aug 1, 9:39 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 67 min |
| Aug 1, 9:41 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 36 min |
| Aug 1, 9:47 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 28 min |
| Aug 2, 12:05 AM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 40 min |
| Aug 2, 3:02 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin | 38 min |
| Aug 2, 4:49 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 31 min |
| Aug 2, 6:14 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 62 min |
| Aug 3, 4:17 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass | 29 min |
| Aug 7, 10:23 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 52 min |
| Aug 8, 4:57 PM MDT | Severe Thunderstorm Warning | TFX | Jefferson | 28 min |
| Aug 8, 5:53 PM MDT | Severe Thunderstorm Warning | MSO | Granite | 52 min |
| Aug 8, 7:07 PM MDT | Severe Thunderstorm Warning | MSO | Deer Lodge | 23 min |
| Aug 8, 7:29 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 31 min |
| Aug 8, 10:21 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 39 min |
| Aug 8, 11:00 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Fergus | 47 min |
| Aug 9, 4:48 PM MDT | Severe Thunderstorm Warning | TFX | Glacier | 59 min |
| Aug 9, 5:23 PM MDT | Severe Thunderstorm Warning | TFX | Madison | 52 min |
| Aug 9, 5:26 PM MDT | Severe Thunderstorm Warning | TFX | Pondera | 49 min |
| Aug 9, 5:39 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin | 51 min |
| Aug 9, 6:14 PM MDT | Severe Thunderstorm Warning | TFX | Pondera | 46 min |
| Aug 9, 6:16 PM MDT | Severe Thunderstorm Warning | TFX | Madison | 51 min |
| Aug 9, 6:18 PM MDT | Severe Thunderstorm Warning | TFX | Glacier | 57 min |
| Aug 9, 6:59 PM MDT | Severe Thunderstorm Warning | TFX | Pondera | 40 min |
| Aug 9, 7:02 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass | 45 min |
| Aug 9, 9:00 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon, Stillwater | 63 min |
| Aug 10, 1:39 AM MDT | Severe Thunderstorm Warning | GGW | Garfield | 34 min |
| Aug 10, 2:27 AM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 65 min |
| Aug 10, 4:02 AM MDT | Severe Thunderstorm Warning | TFX | Fergus | 43 min |
| Aug 10, 7:21 AM MDT | Severe Thunderstorm Warning | MSO | Deer Lodge, Ravalli | 24 min |
| Aug 10, 7:56 AM MDT | Severe Thunderstorm Warning | MSO | Deer Lodge | 53 min |
| Aug 10, 7:56 AM MDT | Severe Thunderstorm Warning | TFX | Beaverhead | 47 min |
| Aug 10, 2:01 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Hill | 47 min |
| Aug 10, 2:41 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 79 min |
| Aug 10, 3:43 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 77 min |
| Aug 10, 3:46 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 59 min |
| Aug 10, 3:56 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 43 min |
| Aug 10, 4:01 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 59 min |
| Aug 10, 4:12 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater | 39 min |
| Aug 10, 4:25 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 35 min |
| Aug 10, 4:54 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 46 min |
| Aug 10, 5:15 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 56 min |
| Aug 10, 5:19 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud | 56 min |
| Aug 10, 6:34 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 41 min |
| Aug 10, 7:17 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 27 min |
| Aug 10, 7:57 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 63 min |
| Aug 10, 8:19 PM MDT | Severe Thunderstorm Warning | MSO | Lake | 26 min |
| Aug 11, 8:08 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 52 min |
| Aug 11, 9:21 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 39 min |
| Aug 11, 11:23 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 39 min |
| Aug 16, 4:47 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Powder River | 21 min |
| Aug 16, 4:47 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 57 min |
| Aug 16, 4:50 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie | 55 min |
| Aug 16, 4:52 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 30 min |
| Aug 16, 5:00 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Valley | 60 min |
| Aug 16, 5:25 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone | 65 min |
| Aug 16, 5:45 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Prairie | 60 min |
| Aug 16, 5:58 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Valley | 57 min |
| Aug 16, 6:44 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 61 min |
| Aug 16, 7:31 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 24 min |
| Aug 16, 7:39 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Richland | 59 min |
| Aug 16, 7:43 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie, Wibaux | 57 min |
| Aug 17, 2:36 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon, Stillwater | 50 min |
| Aug 17, 3:36 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 27 min |
| Aug 17, 8:48 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 45 min |
| Aug 17, 9:41 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 58 min |
| Aug 18, 12:54 AM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt | 66 min |
| Aug 18, 1:36 AM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Sheridan | 54 min |
| Aug 18, 2:32 AM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt, Sheridan | 58 min |
| Aug 18, 3:33 AM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 21 min |
| Aug 22, 5:42 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 48 min |
| Aug 23, 3:20 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt | 40 min |
| Aug 23, 4:14 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt | 61 min |
| Aug 23, 5:14 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Sheridan | 31 min |
| Aug 23, 6:58 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 62 min |
| Sep 4, 4:50 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass | 23 min |
| Sep 23, 4:30 PM MDT | Severe Thunderstorm Warning | TFX | Madison | 60 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Valley County44
- Garfield County38
- Roosevelt County34
- Phillips County32
- Dawson County30
- Big Horn County28
- McCone County28
- Rosebud County28
- Powder River County28
- Richland County26
- Yellowstone County23
- Daniels County23
- Sheridan County22
- Prairie County21
- Carter County21
- Custer County17
- Musselshell County16
- Petroleum County16
- Fergus County16
- Wibaux County15
- Stillwater County15
- Chouteau County13
- Fallon County12
- Golden Valley County11
- Carbon County11
- Blaine County10
- Judith Basin County10
- Lewis and Clark County9
- Cascade County9
- Wheatland County8
- Sweet Grass County8
- Madison County8
- Treasure County7
- Teton County6
- Pondera County6
- Meagher County6
- Beaverhead County5
- Glacier County4
- Deer Lodge County4
- Toole County4
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20042006
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.