Alert archive / Montana / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Montana, 2002
437 severe thunderstorm warnings in 2002. 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 2002. Tap one for its archive.
- Severe Thunderstorm Warnings
- 437
- Busiest month
- July161 severe thunderstorm warnings
- Busiest day
- June 22, 200238 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 |
|---|---|---|---|---|
| Apr 14, 1:33 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 27 min |
| May 19, 5:11 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 19 min |
| May 20, 7:17 PM MDT | Severe Thunderstorm Warning | TFX | Teton | 28 min |
| May 21, 4:26 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 34 min |
| May 21, 4:37 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 53 min |
| May 21, 5:03 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 57 min |
| May 21, 5:54 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 66 min |
| May 21, 6:22 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 53 min |
| May 21, 6:23 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 37 min |
| May 21, 6:35 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 40 min |
| May 21, 7:15 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 45 min |
| May 27, 3:52 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 38 min |
| May 28, 4:52 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 38 min |
| May 28, 5:32 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 58 min |
| May 28, 5:41 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 64 min |
| May 30, 8:29 PM MDT | Severe Thunderstorm Warning | TFX | Madison | 46 min |
| May 30, 8:54 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin | 36 min |
| May 30, 9:13 PM MDT | Severe Thunderstorm Warning | BYZ | Park | 47 min |
| Jun 1, 3:16 AM MDT | Severe Thunderstorm Warning | BYZ | Carter, Fallon | 59 min |
| Jun 1, 3:22 AM MDT | Severe Thunderstorm Warning | BYZ | Carter | 53 min |
| Jun 1, 2:54 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon | 66 min |
| Jun 2, 3:28 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 47 min |
| Jun 8, 10:13 AM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 62 min |
| Jun 8, 1:07 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River, Rosebud | 38 min |
| Jun 8, 1:42 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River | 63 min |
| Jun 8, 3:41 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 64 min |
| Jun 8, 4:09 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 36 min |
| Jun 8, 4:21 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 24 min |
| Jun 8, 4:33 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 57 min |
| Jun 8, 4:44 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 61 min |
| Jun 8, 4:45 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 60 min |
| Jun 8, 4:55 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River | 65 min |
| Jun 8, 5:00 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River | 60 min |
| Jun 8, 5:02 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 58 min |
| Jun 8, 5:08 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 52 min |
| Jun 8, 5:25 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 65 min |
| Jun 8, 5:34 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 56 min |
| Jun 8, 5:46 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 59 min |
| Jun 8, 5:58 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Richland, Roosevelt | 62 min |
| Jun 8, 6:00 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 30 min |
| Jun 8, 6:29 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 31 min |
| Jun 8, 6:36 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 54 min |
| Jun 8, 6:53 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River | 37 min |
| Jun 8, 7:12 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 33 min |
| Jun 8, 7:18 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 42 min |
| Jun 8, 7:32 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Custer, Fallon | 58 min |
| Jun 8, 7:59 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 46 min |
| Jun 8, 8:16 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 44 min |
| Jun 8, 8:22 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 38 min |
| Jun 8, 8:26 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Custer, Fallon | 49 min |
| Jun 8, 8:59 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 61 min |
| Jun 8, 9:16 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 44 min |
| Jun 8, 9:57 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 33 min |
| Jun 8, 11:03 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 57 min |
| Jun 8, 11:42 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 33 min |
| Jun 14, 6:52 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 23 min |
| Jun 15, 2:25 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 65 min |
| Jun 16, 4:14 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 61 min |
| Jun 21, 2:35 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud | 55 min |
| Jun 21, 3:34 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Treasure | 56 min |
| Jun 21, 3:54 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 66 min |
| Jun 21, 5:00 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 60 min |
| Jun 21, 6:19 PM MDT | Severe Thunderstorm Warning | MSO | Silver Bow | 56 min |
| Jun 21, 7:39 PM MDT | Severe Thunderstorm Warning | TFX | Jefferson | 36 min |
| Jun 21, 7:45 PM MDT | Severe Thunderstorm Warning | TFX | Jefferson | 30 min |
| Jun 21, 7:59 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater | 31 min |
| Jun 21, 8:03 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 42 min |
| Jun 21, 8:07 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 23 min |
| Jun 21, 8:08 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 37 min |
| Jun 21, 8:27 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 63 min |
| Jun 21, 8:28 PM MDT | Severe Thunderstorm Warning | TFX | Meagher | 32 min |
| Jun 21, 8:58 PM MDT | Severe Thunderstorm Warning | TFX | Meagher | 47 min |
| Jun 21, 9:11 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Meagher | 64 min |
| Jun 21, 9:27 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 63 min |
| Jun 21, 9:33 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud | 57 min |
| Jun 21, 9:57 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 48 min |
| Jun 21, 10:04 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 56 min |
| Jun 21, 10:27 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 33 min |
| Jun 21, 10:53 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 67 min |
| Jun 21, 11:03 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River, Rosebud | 57 min |
| Jun 22, 12:31 AM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt | 59 min |
| Jun 22, 2:01 AM MDT | Severe Thunderstorm Warning | GGW | Dawson | 59 min |
| Jun 22, 2:08 AM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 67 min |
| Jun 22, 3:59 AM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 61 min |
| Jun 22, 1:14 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 61 min |
| Jun 22, 2:12 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 48 min |
| Jun 22, 2:26 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 64 min |
| Jun 22, 2:29 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 61 min |
| Jun 22, 2:31 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 59 min |
| Jun 22, 2:32 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 58 min |
| Jun 22, 2:42 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 63 min |
| Jun 22, 2:49 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 26 min |
| Jun 22, 3:13 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 62 min |
| Jun 22, 3:20 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 55 min |
| Jun 22, 3:44 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 61 min |
| Jun 22, 4:19 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 41 min |
| Jun 22, 4:54 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 66 min |
| Jun 22, 5:06 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 69 min |
| Jun 22, 5:11 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 64 min |
| Jun 22, 5:47 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Prairie | 58 min |
| Jun 22, 6:07 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 23 min |
| Jun 22, 6:14 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River | 61 min |
| Jun 22, 6:24 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 66 min |
| Jun 22, 6:44 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 61 min |
| Jun 22, 6:47 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 58 min |
| Jun 22, 7:19 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 56 min |
| Jun 27, 5:32 PM MDT | Severe Thunderstorm Warning | MSO | Powell | 43 min |
| Jun 27, 5:47 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 58 min |
| Jun 27, 5:52 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 23 min |
| Jun 27, 6:11 PM MDT | Severe Thunderstorm Warning | TFX | Toole | 34 min |
| Jun 27, 6:20 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 55 min |
| Jun 27, 6:43 PM MDT | Severe Thunderstorm Warning | MSO | Missoula, Powell | 62 min |
| Jun 27, 6:56 PM MDT | Severe Thunderstorm Warning | MSO | Lake, Missoula | 59 min |
| Jun 27, 7:06 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Teton | 39 min |
| Jun 27, 7:08 PM MDT | Severe Thunderstorm Warning | TFX | Glacier | 52 min |
| Jun 27, 7:17 PM MDT | Severe Thunderstorm Warning | MSO | Flathead, Lake | 58 min |
| Jun 27, 7:20 PM MDT | Severe Thunderstorm Warning | TFX | 40 min | |
| Jun 27, 7:23 PM MDT | Severe Thunderstorm Warning | MSO | Flathead, Lake | 52 min |
| Jun 27, 8:09 PM MDT | Severe Thunderstorm Warning | TFX | Toole | 51 min |
| Jun 27, 8:56 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 34 min |
| Jun 27, 9:08 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Fergus | 37 min |
| Jun 27, 11:43 PM MDT | Severe Thunderstorm Warning | MSO | Missoula, Ravalli | 47 min |
| Jun 28, 4:43 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead, Madison | 47 min |
| Jun 28, 6:23 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin | 37 min |
| Jun 28, 6:53 PM MDT | Severe Thunderstorm Warning | BYZ | Park | 52 min |
| Jun 28, 7:07 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 53 min |
| Jun 28, 9:33 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 27 min |
| Jun 28, 10:00 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 45 min |
| Jun 28, 10:10 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 65 min |
| Jun 28, 11:13 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 62 min |
| Jun 28, 11:54 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 51 min |
| Jun 29, 1:50 PM MDT | Severe Thunderstorm Warning | BYZ | Park | 55 min |
| Jun 29, 2:36 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Musselshell | 54 min |
| Jun 29, 2:42 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass | 33 min |
| Jun 29, 3:13 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 32 min |
| Jun 29, 3:13 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 62 min |
| Jun 29, 3:50 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 55 min |
| Jun 29, 4:04 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 41 min |
| Jun 29, 4:07 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 53 min |
| Jun 29, 4:15 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Valley | 60 min |
| Jun 29, 4:43 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 62 min |
| Jun 29, 4:49 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 56 min |
| Jun 29, 4:53 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland | 67 min |
| Jun 29, 5:02 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 58 min |
| Jun 29, 5:10 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Custer, Powder River, Rosebud | 65 min |
| Jun 29, 5:44 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 61 min |
| Jun 29, 5:54 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 66 min |
| Jun 29, 5:56 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Wibaux | 64 min |
| Jun 29, 6:04 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 56 min |
| Jul 3, 4:04 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River | 56 min |
| Jul 3, 4:13 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie | 62 min |
| Jul 3, 5:17 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland | 58 min |
| Jul 4, 5:13 PM MDT | Severe Thunderstorm Warning | BYZ | Park | 32 min |
| Jul 4, 5:33 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 57 min |
| Jul 4, 5:49 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass, Wheatland | 56 min |
| Jul 4, 6:06 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 54 min |
| Jul 4, 6:11 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 64 min |
| Jul 4, 6:19 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 26 min |
| Jul 4, 6:45 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 60 min |
| Jul 4, 6:46 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 44 min |
| Jul 4, 6:50 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 55 min |
| Jul 4, 7:00 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Wheatland | 60 min |
| Jul 4, 7:14 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 61 min |
| Jul 4, 7:20 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 60 min |
| Jul 4, 7:20 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 55 min |
| Jul 4, 7:23 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 22 min |
| Jul 4, 7:29 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 46 min |
| Jul 4, 7:49 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 56 min |
| Jul 4, 8:20 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 55 min |
| Jul 4, 8:28 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 62 min |
| Jul 4, 8:31 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 59 min |
| Jul 4, 8:57 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 63 min |
| Jul 4, 9:29 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 61 min |
| Jul 4, 9:57 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 63 min |
| Jul 4, 10:06 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 54 min |
| Jul 4, 10:40 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 65 min |
| Jul 4, 10:58 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 62 min |
| Jul 4, 11:43 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland | 62 min |
| Jul 4, 11:48 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 57 min |
| Jul 6, 8:46 PM MDT | Severe Thunderstorm Warning | TFX | Meagher | 29 min |
| Jul 6, 8:54 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 36 min |
| Jul 6, 8:56 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 64 min |
| Jul 6, 9:22 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 38 min |
| Jul 6, 10:07 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 53 min |
| Jul 6, 10:41 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 34 min |
| Jul 8, 10:10 AM MDT | Severe Thunderstorm Warning | MSO | Powell | 50 min |
| Jul 8, 12:21 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Teton | 39 min |
| Jul 8, 1:36 PM MDT | Severe Thunderstorm Warning | MSO | Lake, Missoula | 39 min |
| Jul 8, 1:41 PM MDT | Severe Thunderstorm Warning | MSO | Lake, Missoula | 34 min |
| Jul 8, 2:05 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 40 min |
| Jul 8, 2:26 PM MDT | Severe Thunderstorm Warning | TFX | Meagher | 64 min |
| Jul 8, 3:15 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 60 min |
| Jul 8, 3:41 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Hill | 34 min |
| Jul 8, 4:51 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 54 min |
| Jul 8, 5:02 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 43 min |
| Jul 8, 5:59 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 61 min |
| Jul 8, 6:36 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 54 min |
| Jul 8, 6:48 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 57 min |
| Jul 8, 6:51 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 54 min |
| Jul 8, 7:15 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 60 min |
| Jul 8, 7:24 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 51 min |
| Jul 8, 7:42 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 63 min |
| Jul 8, 7:43 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 62 min |
| Jul 8, 7:45 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 60 min |
| Jul 8, 7:52 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 53 min |
| Jul 8, 7:54 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 66 min |
| Jul 8, 8:10 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 65 min |
| Jul 8, 8:12 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 63 min |
| Jul 8, 8:15 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 60 min |
| Jul 8, 8:38 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 67 min |
| Jul 8, 8:40 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 65 min |
| Jul 8, 8:43 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 62 min |
| Jul 8, 8:45 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 60 min |
| Jul 8, 8:59 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 61 min |
| Jul 13, 9:06 PM MDT | Severe Thunderstorm Warning | MSO | Flathead, Lake, Mineral | 24 min |
| Jul 13, 9:10 PM MDT | Severe Thunderstorm Warning | MSO | Mineral | 20 min |
| Jul 13, 9:40 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 50 min |
| Jul 13, 10:20 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 40 min |
| Jul 13, 10:21 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 39 min |
| Jul 14, 1:15 AM MDT | Severe Thunderstorm Warning | TFX | Glacier, Toole | 30 min |
| Jul 14, 4:54 PM MDT | Severe Thunderstorm Warning | MSO | Powell | 51 min |
| Jul 14, 5:29 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 31 min |
| Jul 14, 6:03 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Cascade, Lewis and Clark, Meagher | 57 min |
| Jul 14, 6:13 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 47 min |
| Jul 14, 6:48 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 57 min |
| Jul 14, 6:52 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Meagher | 38 min |
| Jul 14, 7:12 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 48 min |
| Jul 14, 7:36 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Teton | 54 min |
| Jul 14, 7:48 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead | 57 min |
| Jul 14, 7:50 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 25 min |
| Jul 14, 7:55 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 35 min |
| Jul 14, 7:59 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 61 min |
| Jul 14, 8:33 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Hill | 57 min |
| Jul 14, 8:43 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead | 62 min |
| Jul 14, 8:58 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Fergus | 62 min |
| Jul 14, 9:25 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 50 min |
| Jul 14, 9:33 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum | 57 min |
| Jul 14, 9:56 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 49 min |
| Jul 14, 10:15 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 60 min |
| Jul 14, 10:25 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 50 min |
| Jul 14, 10:47 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 43 min |
| Jul 14, 10:48 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 57 min |
| Jul 14, 11:51 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Valley | 54 min |
| Jul 15, 12:10 AM MDT | Severe Thunderstorm Warning | GGW | McCone | 50 min |
| Jul 15, 3:08 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater | 37 min |
| Jul 15, 5:35 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass | 55 min |
| Jul 15, 7:55 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 50 min |
| Jul 15, 10:14 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 61 min |
| Jul 16, 4:27 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 48 min |
| Jul 16, 5:06 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 54 min |
| Jul 16, 5:29 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 61 min |
| Jul 16, 5:36 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 54 min |
| Jul 16, 6:17 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Yellowstone | 58 min |
| Jul 16, 6:20 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 40 min |
| Jul 16, 6:27 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 33 min |
| Jul 16, 6:40 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 65 min |
| Jul 16, 6:47 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 58 min |
| Jul 16, 7:22 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud, Treasure | 53 min |
| Jul 16, 7:47 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 13 min |
| Jul 16, 8:30 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 60 min |
| Jul 16, 9:51 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 54 min |
| Jul 16, 10:01 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 59 min |
| Jul 16, 10:09 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 51 min |
| Jul 16, 11:08 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 52 min |
| Jul 16, 11:16 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 59 min |
| Jul 17, 6:54 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 36 min |
| Jul 17, 7:50 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 40 min |
| Jul 17, 8:11 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 59 min |
| Jul 19, 4:36 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 54 min |
| Jul 19, 5:58 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 62 min |
| Jul 19, 7:04 PM MDT | Severe Thunderstorm Warning | MSO | Powell | 56 min |
| Jul 20, 5:19 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 26 min |
| Jul 22, 8:19 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 56 min |
| Jul 22, 10:44 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 61 min |
| Jul 23, 3:42 PM MDT | Severe Thunderstorm Warning | MSO | Lake | 33 min |
| Jul 23, 4:14 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon, Stillwater | 61 min |
| Jul 23, 4:20 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead | 40 min |
| Jul 23, 4:44 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 61 min |
| Jul 23, 5:04 PM MDT | Severe Thunderstorm Warning | TFX | Teton | 56 min |
| Jul 23, 5:46 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 29 min |
| Jul 23, 5:50 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 55 min |
| Jul 23, 5:56 PM MDT | Severe Thunderstorm Warning | TFX | Pondera | 49 min |
| Jul 23, 6:45 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 60 min |
| Jul 23, 6:50 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 55 min |
| Jul 23, 7:00 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 45 min |
| Jul 23, 7:12 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 63 min |
| Jul 23, 7:24 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 66 min |
| Jul 23, 8:13 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 32 min |
| Jul 23, 8:48 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 27 min |
| Jul 24, 2:45 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 30 min |
| Jul 24, 2:54 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Valley | 66 min |
| Jul 24, 3:15 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Sheridan | 60 min |
| Jul 24, 3:59 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 61 min |
| Jul 24, 4:07 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Valley | 53 min |
| Jul 24, 4:09 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Valley | 51 min |
| Jul 24, 4:16 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 44 min |
| Jul 24, 4:18 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 57 min |
| Jul 24, 4:53 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Prairie | 52 min |
| Jul 24, 5:16 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 29 min |
| Jul 25, 9:07 PM MDT | Severe Thunderstorm Warning | MSO | Granite | 38 min |
| Jul 26, 7:55 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 50 min |
| Jul 27, 12:00 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin | 45 min |
| Jul 27, 1:43 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass | 62 min |
| Jul 27, 1:52 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 53 min |
| Jul 27, 3:23 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 67 min |
| Jul 27, 6:48 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Powder River | 57 min |
| Jul 27, 7:42 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 63 min |
| Jul 27, 7:45 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 60 min |
| Jul 27, 8:18 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 57 min |
| Jul 27, 8:20 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 55 min |
| Jul 31, 6:00 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 45 min |
| Aug 4, 2:10 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead | 35 min |
| Aug 4, 4:13 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 62 min |
| Aug 4, 4:14 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin | 46 min |
| Aug 4, 4:39 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater | 36 min |
| Aug 4, 4:49 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 56 min |
| Aug 4, 5:16 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 59 min |
| Aug 4, 5:24 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 36 min |
| Aug 4, 5:49 PM MDT | Severe Thunderstorm Warning | TFX | Meagher | 41 min |
| Aug 4, 6:02 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 28 min |
| Aug 4, 6:17 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 58 min |
| Aug 4, 6:18 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 57 min |
| Aug 4, 6:21 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 24 min |
| Aug 4, 6:45 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 30 min |
| Aug 4, 6:59 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 61 min |
| Aug 4, 7:02 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 58 min |
| Aug 4, 8:24 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 66 min |
| Aug 4, 9:51 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 54 min |
| Aug 4, 10:56 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Phillips | 64 min |
| Aug 5, 5:16 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 44 min |
| Aug 5, 5:36 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 54 min |
| Aug 5, 5:52 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 38 min |
| Aug 5, 6:07 PM MDT | Severe Thunderstorm Warning | TFX | Teton | 53 min |
| Aug 5, 6:19 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 56 min |
| Aug 5, 6:48 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 57 min |
| Aug 5, 6:51 PM MDT | Severe Thunderstorm Warning | TFX | Pondera | 54 min |
| Aug 5, 7:03 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 57 min |
| Aug 5, 7:27 PM MDT | Severe Thunderstorm Warning | TFX | Teton | 48 min |
| Aug 5, 7:29 PM MDT | Severe Thunderstorm Warning | TFX | Toole | 46 min |
| Aug 5, 7:48 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 57 min |
| Aug 5, 7:58 PM MDT | Severe Thunderstorm Warning | TFX | Liberty | 62 min |
| Aug 5, 8:45 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 30 min |
| Aug 5, 9:18 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 57 min |
| Aug 5, 10:31 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 59 min |
| Aug 6, 4:49 PM MDT | Severe Thunderstorm Warning | BYZ | Treasure | 56 min |
| Aug 6, 4:57 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 63 min |
| Aug 6, 8:09 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 66 min |
| Aug 6, 9:46 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Richland, Roosevelt | 59 min |
| Aug 6, 10:00 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 60 min |
| Aug 6, 10:04 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Richland, Roosevelt | 41 min |
| Aug 6, 10:38 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 67 min |
| Aug 6, 11:44 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 61 min |
| Aug 6, 11:51 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 54 min |
| Aug 6, 11:54 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 66 min |
| Aug 7, 12:49 AM MDT | Severe Thunderstorm Warning | GGW | Valley | 56 min |
| Aug 7, 12:53 AM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone | 67 min |
| Aug 7, 1:55 AM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 50 min |
| Aug 7, 2:47 AM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 58 min |
| Aug 7, 3:17 AM MDT | Severe Thunderstorm Warning | GGW | Daniels, Sheridan | 58 min |
| Aug 7, 4:14 PM MDT | Severe Thunderstorm Warning | MSO | Silver Bow | 31 min |
| Aug 7, 4:26 PM MDT | Severe Thunderstorm Warning | TFX | Jefferson | 49 min |
| Aug 7, 5:06 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater | 39 min |
| Aug 7, 5:27 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 33 min |
| Aug 7, 5:46 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Meagher | 59 min |
| Aug 7, 6:32 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 43 min |
| Aug 8, 10:53 AM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 37 min |
| Aug 8, 4:31 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 29 min |
| Aug 8, 4:33 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 27 min |
| Aug 10, 7:52 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 38 min |
| Aug 10, 8:32 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 28 min |
| Aug 10, 9:55 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 20 min |
| Aug 16, 2:20 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 55 min |
| Aug 16, 2:32 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 58 min |
| Aug 16, 3:18 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 42 min |
| Aug 16, 3:51 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 39 min |
| Aug 20, 6:55 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Meagher | 50 min |
| Aug 20, 8:02 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 58 min |
| Aug 20, 8:24 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 36 min |
| Aug 20, 8:58 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 62 min |
| Aug 20, 11:23 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 52 min |
| Aug 21, 12:18 AM MDT | Severe Thunderstorm Warning | GGW | Valley | 57 min |
| Aug 21, 1:19 AM MDT | Severe Thunderstorm Warning | GGW | Valley | 56 min |
| Aug 21, 2:19 AM MDT | Severe Thunderstorm Warning | GGW | McCone, Valley | 56 min |
| Aug 21, 4:53 AM MDT | Severe Thunderstorm Warning | GGW | McCone | 67 min |
| Aug 21, 9:37 AM MDT | Severe Thunderstorm Warning | BYZ | Custer | 53 min |
| Aug 21, 2:57 PM MDT | Severe Thunderstorm Warning | MSO | Deer Lodge | 33 min |
| Aug 21, 3:04 PM MDT | Severe Thunderstorm Warning | TFX | Jefferson, Madison | 56 min |
| Aug 21, 4:12 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 48 min |
| Aug 21, 4:21 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 39 min |
| Aug 21, 4:41 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 64 min |
| Aug 21, 4:46 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 44 min |
| Aug 21, 5:13 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead | 47 min |
| Aug 21, 5:15 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead | 45 min |
| Aug 21, 5:30 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 60 min |
| Aug 21, 5:43 PM MDT | Severe Thunderstorm Warning | TFX | Madison | 47 min |
| Aug 21, 6:03 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 57 min |
| Aug 21, 7:44 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater | 31 min |
| Aug 21, 8:25 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Meagher | 35 min |
| Aug 22, 3:56 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass, Wheatland | 64 min |
| Aug 22, 4:13 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 62 min |
| Aug 22, 4:46 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 59 min |
| Aug 22, 5:10 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 65 min |
| Aug 22, 5:10 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 65 min |
| Aug 22, 8:35 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 55 min |
| Aug 25, 1:07 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 53 min |
| Aug 25, 2:06 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 54 min |
| Aug 25, 3:12 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 63 min |
| Aug 25, 3:41 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 64 min |
| Aug 25, 5:51 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 24 min |
| Aug 26, 7:29 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Valley | 61 min |
| Aug 26, 8:48 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 57 min |
| Aug 27, 4:33 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 42 min |
| Aug 29, 4:22 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 53 min |
| Aug 29, 5:04 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 56 min |
| Aug 29, 5:38 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 52 min |
| Aug 29, 5:40 PM MDT | Severe Thunderstorm Warning | BYZ | Treasure | 65 min |
| Aug 30, 1:08 AM MDT | Severe Thunderstorm Warning | GGW | Valley | 52 min |
| Aug 30, 2:25 AM MDT | Severe Thunderstorm Warning | GGW | Valley | 65 min |
| Aug 30, 4:20 PM MDT | Severe Thunderstorm Warning | TFX | Glacier | 55 min |
| Aug 30, 5:15 PM MDT | Severe Thunderstorm Warning | TFX | Glacier, Pondera, Toole | 60 min |
| Aug 31, 3:41 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 64 min |
| Aug 31, 3:48 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 42 min |
| Aug 31, 4:21 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 39 min |
| Aug 31, 4:53 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 67 min |
| Aug 31, 4:59 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 61 min |
| Aug 31, 5:54 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 51 min |
| Sep 3, 5:41 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Lake | 49 min |
| Sep 3, 9:14 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 61 min |
| Sep 4, 9:39 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 36 min |
| Sep 4, 10:33 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 57 min |
| Sep 4, 10:45 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Teton | 30 min |
| Sep 4, 11:53 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 67 min |
| Sep 5, 7:09 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 66 min |
| Sep 5, 7:09 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 66 min |
| Sep 5, 8:48 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 57 min |
| Sep 5, 11:20 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 55 min |
| Sep 5, 11:20 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 55 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Valley County34
- Fergus County27
- Rosebud County23
- Custer County23
- McCone County23
- Garfield County21
- Powder River County19
- Big Horn County18
- Phillips County18
- Roosevelt County17
- Judith Basin County14
- Carter County14
- Richland County14
- Cascade County13
- Yellowstone County12
- Lewis and Clark County12
- Missoula County11
- Prairie County11
- Meagher County11
- Petroleum County10
- Fallon County10
- Dawson County10
- Chouteau County10
- Musselshell County9
- Wibaux County9
- Broadwater County9
- Blaine County9
- Wheatland County8
- Teton County8
- Lake County8
- Hill County7
- Beaverhead County7
- Pondera County6
- Ravalli County6
- Daniels County6
- Powell County5
- Toole County5
- Flathead County5
- Sweet Grass County5
- Sheridan County5
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20012003
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.