Alert archive / Montana / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Montana, 2000
431 severe thunderstorm warnings in 2000. 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 2000. Tap one for its archive.
- Severe Thunderstorm Warnings
- 431
- Busiest month
- July266 severe thunderstorm warnings
- Busiest day
- July 9, 200042 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 28, 6:03 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 42 min |
| May 10, 1:20 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Sheridan | 40 min |
| May 10, 3:40 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 35 min |
| May 10, 5:36 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass | 24 min |
| May 10, 6:08 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 37 min |
| May 10, 6:49 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Musselshell | 56 min |
| May 10, 9:00 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 60 min |
| May 29, 12:06 AM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Yellowstone | 54 min |
| May 29, 1:01 AM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud, Treasure, Yellowstone | 59 min |
| Jun 5, 7:14 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Lewis and Clark, Teton | 31 min |
| Jun 5, 7:56 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Teton | 49 min |
| Jun 5, 8:39 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 36 min |
| Jun 5, 8:43 PM MDT | Severe Thunderstorm Warning | TFX | Liberty, Pondera, Toole | 32 min |
| Jun 7, 6:38 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Fergus | 37 min |
| Jun 7, 7:32 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 28 min |
| Jun 7, 11:08 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 67 min |
| Jun 7, 11:53 PM MDT | Severe Thunderstorm Warning | MSO | Powell | 37 min |
| Jun 8, 12:05 AM MDT | Severe Thunderstorm Warning | GGW | Valley | 55 min |
| Jun 8, 12:13 AM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Valley | 62 min |
| Jun 8, 12:42 AM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 63 min |
| Jun 8, 12:54 AM MDT | Severe Thunderstorm Warning | GGW | Valley | 51 min |
| Jun 8, 1:22 AM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 38 min |
| Jun 8, 1:58 AM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 62 min |
| Jun 8, 2:18 AM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Teton | 42 min |
| Jun 8, 2:37 AM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 53 min |
| Jun 8, 3:41 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 49 min |
| Jun 8, 4:17 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 43 min |
| Jun 8, 5:01 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Toole | 29 min |
| Jun 8, 5:15 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 45 min |
| Jun 8, 5:29 PM MDT | Severe Thunderstorm Warning | TFX | Toole | 46 min |
| Jun 8, 5:54 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Musselshell | 51 min |
| Jun 8, 6:12 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 63 min |
| Jun 8, 6:21 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 54 min |
| Jun 8, 6:26 PM MDT | Severe Thunderstorm Warning | TFX | Liberty | 34 min |
| Jun 8, 6:40 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 65 min |
| Jun 8, 6:52 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 38 min |
| Jun 8, 7:11 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 64 min |
| Jun 8, 7:13 PM MDT | Severe Thunderstorm Warning | TFX | Hill, Liberty | 47 min |
| Jun 8, 7:22 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie | 68 min |
| Jun 8, 7:38 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 67 min |
| Jun 8, 8:26 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 64 min |
| Jun 8, 8:59 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 61 min |
| Jun 8, 9:14 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 61 min |
| Jun 8, 9:39 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 66 min |
| Jun 8, 9:46 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 59 min |
| Jun 8, 10:03 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 57 min |
| Jun 8, 10:19 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 56 min |
| Jun 8, 11:00 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 60 min |
| Jun 8, 11:07 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 53 min |
| Jun 9, 1:19 AM MDT | Severe Thunderstorm Warning | GGW | Valley | 56 min |
| Jun 9, 12:56 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 64 min |
| Jun 9, 2:16 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon | 44 min |
| Jun 9, 2:41 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 64 min |
| Jun 9, 3:08 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 67 min |
| Jun 9, 3:25 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 50 min |
| Jun 9, 3:49 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 56 min |
| Jun 9, 4:06 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 39 min |
| Jun 9, 4:10 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 50 min |
| Jun 9, 4:34 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 86 min |
| Jun 9, 4:44 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 61 min |
| Jun 9, 5:17 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 58 min |
| Jun 9, 5:34 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River | 56 min |
| Jun 9, 5:40 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 50 min |
| Jun 9, 6:18 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Powder River | 57 min |
| Jun 9, 7:34 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Powder River | 56 min |
| Jun 15, 4:49 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Teton | 26 min |
| Jun 15, 5:10 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Judith Basin | 35 min |
| Jun 16, 4:42 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Teton | 33 min |
| Jun 16, 6:34 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Meagher | 26 min |
| Jun 22, 1:09 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead | 36 min |
| Jun 22, 1:40 PM MDT | Severe Thunderstorm Warning | MSO | Silver Bow | 50 min |
| Jun 22, 2:02 PM MDT | Severe Thunderstorm Warning | TFX | Madison | 28 min |
| Jun 22, 2:35 PM MDT | Severe Thunderstorm Warning | TFX | Madison | 40 min |
| Jun 22, 2:59 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin | 46 min |
| Jun 22, 4:25 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 35 min |
| Jun 23, 5:10 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 65 min |
| Jun 30, 9:46 PM MDT | Severe Thunderstorm Warning | MSO | Deer Lodge, Granite, Powell | 44 min |
| Jul 1, 4:16 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 59 min |
| Jul 1, 8:15 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 45 min |
| Jul 2, 4:12 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 33 min |
| Jul 2, 4:20 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau | 25 min |
| Jul 2, 4:50 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 55 min |
| Jul 2, 4:59 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 31 min |
| Jul 2, 5:29 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 31 min |
| Jul 2, 5:29 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 46 min |
| Jul 2, 5:32 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 43 min |
| Jul 2, 5:34 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 41 min |
| Jul 2, 5:42 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 48 min |
| Jul 2, 5:53 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 67 min |
| Jul 2, 6:04 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 56 min |
| Jul 2, 6:24 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 36 min |
| Jul 2, 6:35 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 55 min |
| Jul 2, 6:47 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 43 min |
| Jul 2, 6:54 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 66 min |
| Jul 2, 7:19 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 56 min |
| Jul 2, 7:31 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 59 min |
| Jul 2, 7:45 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 60 min |
| Jul 2, 8:35 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 70 min |
| Jul 2, 8:38 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 67 min |
| Jul 2, 8:48 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 57 min |
| Jul 2, 8:56 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Valley | 64 min |
| Jul 2, 9:16 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 59 min |
| Jul 2, 9:18 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 57 min |
| Jul 2, 9:46 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt | 59 min |
| Jul 2, 10:08 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 67 min |
| Jul 2, 10:41 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt | 64 min |
| Jul 3, 1:37 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 23 min |
| Jul 3, 1:41 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Gallatin | 49 min |
| Jul 3, 1:57 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 33 min |
| Jul 3, 2:03 PM MDT | Severe Thunderstorm Warning | TFX | Meagher | 42 min |
| Jul 3, 2:45 PM MDT | Severe Thunderstorm Warning | TFX | Meagher | 30 min |
| Jul 3, 2:54 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 66 min |
| Jul 3, 3:20 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Hill | 40 min |
| Jul 3, 3:26 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 49 min |
| Jul 3, 3:42 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 33 min |
| Jul 3, 3:56 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 34 min |
| Jul 3, 4:01 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 29 min |
| Jul 3, 4:06 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 54 min |
| Jul 3, 4:12 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 33 min |
| Jul 3, 4:25 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 50 min |
| Jul 3, 4:35 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 40 min |
| Jul 3, 5:04 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Powder River | 56 min |
| Jul 3, 5:07 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 53 min |
| Jul 3, 5:10 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 65 min |
| Jul 3, 5:17 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 28 min |
| Jul 3, 5:20 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 40 min |
| Jul 3, 5:40 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 65 min |
| Jul 3, 6:18 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 57 min |
| Jul 3, 6:37 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 53 min |
| Jul 3, 7:11 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 64 min |
| Jul 3, 7:16 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 59 min |
| Jul 3, 7:35 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 55 min |
| Jul 3, 8:08 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 67 min |
| Jul 3, 8:08 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 67 min |
| Jul 3, 8:13 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud, Treasure | 62 min |
| Jul 3, 8:15 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 60 min |
| Jul 3, 8:24 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 66 min |
| Jul 3, 8:27 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 63 min |
| Jul 3, 9:06 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Fallon | 54 min |
| Jul 3, 9:26 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 64 min |
| Jul 3, 9:47 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 58 min |
| Jul 3, 9:52 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 53 min |
| Jul 3, 10:09 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 66 min |
| Jul 3, 10:41 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 64 min |
| Jul 3, 11:34 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 56 min |
| Jul 4, 12:06 AM MDT | Severe Thunderstorm Warning | BYZ | Custer | 54 min |
| Jul 4, 12:35 AM MDT | Severe Thunderstorm Warning | GGW | Prairie | 55 min |
| Jul 4, 1:37 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 53 min |
| Jul 4, 1:51 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon, Stillwater, Yellowstone | 54 min |
| Jul 4, 2:05 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Musselshell | 55 min |
| Jul 4, 2:27 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 63 min |
| Jul 4, 2:52 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 53 min |
| Jul 4, 3:25 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 65 min |
| Jul 4, 3:35 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud, Treasure | 55 min |
| Jul 4, 3:39 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 36 min |
| Jul 4, 4:23 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 67 min |
| Jul 4, 4:32 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 43 min |
| Jul 4, 4:33 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 57 min |
| Jul 4, 4:38 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 67 min |
| Jul 4, 5:26 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 64 min |
| Jul 4, 5:30 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Powder River | 60 min |
| Jul 4, 5:40 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 65 min |
| Jul 4, 5:55 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 65 min |
| Jul 4, 6:15 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 60 min |
| Jul 4, 6:25 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 65 min |
| Jul 4, 6:28 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 62 min |
| Jul 4, 6:59 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 61 min |
| Jul 4, 7:14 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 46 min |
| Jul 4, 7:28 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 62 min |
| Jul 4, 7:30 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 60 min |
| Jul 4, 7:46 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 59 min |
| Jul 5, 4:42 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 63 min |
| Jul 5, 5:34 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 56 min |
| Jul 5, 6:05 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 55 min |
| Jul 5, 6:19 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 56 min |
| Jul 5, 6:28 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 62 min |
| Jul 5, 7:11 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 64 min |
| Jul 5, 7:25 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 65 min |
| Jul 5, 7:29 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Judith Basin | 31 min |
| Jul 5, 7:31 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River | 59 min |
| Jul 5, 8:01 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 59 min |
| Jul 5, 8:09 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 36 min |
| Jul 5, 8:14 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 61 min |
| Jul 5, 8:16 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Meagher | 29 min |
| Jul 5, 8:27 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Judith Basin | 33 min |
| Jul 5, 8:28 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 62 min |
| Jul 5, 8:43 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 32 min |
| Jul 5, 8:50 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Judith Basin | 25 min |
| Jul 5, 8:54 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 36 min |
| Jul 5, 9:11 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 64 min |
| Jul 5, 9:16 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 59 min |
| Jul 5, 9:17 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Chouteau, Fergus | 28 min |
| Jul 5, 9:29 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Fallon | 61 min |
| Jul 5, 9:39 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 36 min |
| Jul 5, 9:44 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 31 min |
| Jul 5, 10:09 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 66 min |
| Jul 5, 10:13 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 62 min |
| Jul 5, 10:16 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 29 min |
| Jul 5, 10:20 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 40 min |
| Jul 5, 10:46 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 59 min |
| Jul 5, 10:53 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 67 min |
| Jul 5, 11:07 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 38 min |
| Jul 6, 12:35 AM MDT | Severe Thunderstorm Warning | GGW | Dawson | 55 min |
| Jul 6, 12:49 AM MDT | Severe Thunderstorm Warning | GGW | McCone | 56 min |
| Jul 6, 1:30 AM MDT | Severe Thunderstorm Warning | GGW | Dawson | 60 min |
| Jul 6, 1:49 AM MDT | Severe Thunderstorm Warning | GGW | McCone | 56 min |
| Jul 6, 2:25 AM MDT | Severe Thunderstorm Warning | GGW | Valley | 65 min |
| Jul 6, 5:03 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Meagher | 42 min |
| Jul 6, 7:08 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 52 min |
| Jul 6, 8:05 PM MDT | Severe Thunderstorm Warning | BYZ | Treasure | 25 min |
| Jul 7, 8:26 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 64 min |
| Jul 7, 9:00 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 60 min |
| Jul 7, 10:02 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 58 min |
| Jul 7, 10:06 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 69 min |
| Jul 7, 11:19 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 56 min |
| Jul 7, 11:41 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 64 min |
| Jul 8, 12:46 AM MDT | Severe Thunderstorm Warning | GGW | Dawson | 59 min |
| Jul 8, 1:47 AM MDT | Severe Thunderstorm Warning | GGW | Dawson | 58 min |
| Jul 8, 7:55 AM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 65 min |
| Jul 8, 3:51 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 49 min |
| Jul 8, 5:40 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 35 min |
| Jul 8, 5:50 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 25 min |
| Jul 8, 5:54 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 51 min |
| Jul 8, 6:16 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau | 44 min |
| Jul 8, 6:41 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 49 min |
| Jul 8, 6:51 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau | 54 min |
| Jul 8, 7:30 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau | 60 min |
| Jul 8, 7:50 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 55 min |
| Jul 8, 7:50 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 40 min |
| Jul 8, 8:15 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Fergus, Judith Basin | 60 min |
| Jul 8, 8:25 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Chouteau | 65 min |
| Jul 8, 9:25 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Fergus | 50 min |
| Jul 8, 9:55 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 65 min |
| Jul 8, 10:01 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 59 min |
| Jul 8, 10:17 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 73 min |
| Jul 8, 10:45 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 60 min |
| Jul 8, 11:25 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 95 min |
| Jul 8, 11:39 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 96 min |
| Jul 9, 12:31 AM MDT | Severe Thunderstorm Warning | GGW | Prairie | 89 min |
| Jul 9, 1:13 AM MDT | Severe Thunderstorm Warning | GGW | McCone | 62 min |
| Jul 9, 3:50 AM MDT | Severe Thunderstorm Warning | GGW | Dawson, Wibaux | 55 min |
| Jul 9, 1:25 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 65 min |
| Jul 9, 2:22 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 53 min |
| Jul 9, 2:41 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Musselshell | 64 min |
| Jul 9, 2:43 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 32 min |
| Jul 9, 2:58 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 47 min |
| Jul 9, 3:03 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 57 min |
| Jul 9, 3:13 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 62 min |
| Jul 9, 3:40 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 65 min |
| Jul 9, 3:45 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 60 min |
| Jul 9, 3:45 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 45 min |
| Jul 9, 3:56 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 64 min |
| Jul 9, 4:09 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass | 66 min |
| Jul 9, 4:31 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 59 min |
| Jul 9, 4:42 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Rosebud | 63 min |
| Jul 9, 4:43 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 62 min |
| Jul 9, 4:51 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 54 min |
| Jul 9, 4:57 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 48 min |
| Jul 9, 5:00 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 60 min |
| Jul 9, 5:07 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 28 min |
| Jul 9, 5:11 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 49 min |
| Jul 9, 5:36 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 69 min |
| Jul 9, 5:40 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 65 min |
| Jul 9, 5:47 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 58 min |
| Jul 9, 5:49 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 56 min |
| Jul 9, 6:13 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 47 min |
| Jul 9, 6:15 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Treasure, Yellowstone | 60 min |
| Jul 9, 6:30 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 60 min |
| Jul 9, 6:30 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 45 min |
| Jul 9, 6:40 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 65 min |
| Jul 9, 6:54 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 51 min |
| Jul 9, 6:58 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 47 min |
| Jul 9, 7:14 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Treasure | 61 min |
| Jul 9, 7:15 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 45 min |
| Jul 9, 7:30 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Custer, Fallon | 65 min |
| Jul 10, 4:41 AM MDT | Severe Thunderstorm Warning | TFX | Teton | 34 min |
| Jul 10, 2:53 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 52 min |
| Jul 10, 3:47 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 58 min |
| Jul 10, 3:47 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 58 min |
| Jul 10, 4:08 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 67 min |
| Jul 10, 4:26 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Yellowstone | 64 min |
| Jul 10, 4:43 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 62 min |
| Jul 10, 4:49 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 31 min |
| Jul 10, 5:11 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 64 min |
| Jul 10, 5:11 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 64 min |
| Jul 10, 6:01 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 59 min |
| Jul 10, 6:18 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 27 min |
| Jul 10, 6:39 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 66 min |
| Jul 10, 7:01 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Prairie | 59 min |
| Jul 10, 7:37 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 53 min |
| Jul 10, 7:54 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 66 min |
| Jul 10, 8:02 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 58 min |
| Jul 10, 8:08 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 67 min |
| Jul 10, 8:19 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 71 min |
| Jul 10, 8:23 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 67 min |
| Jul 10, 10:19 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 56 min |
| Jul 13, 6:40 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Hill | 35 min |
| Jul 13, 7:59 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 31 min |
| Jul 13, 8:28 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 17 min |
| Jul 13, 8:45 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 30 min |
| Jul 13, 9:05 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 85 min |
| Jul 16, 12:55 AM MDT | Severe Thunderstorm Warning | BYZ | Carter | 65 min |
| Jul 16, 1:59 AM MDT | Severe Thunderstorm Warning | BYZ | Carter | 61 min |
| Jul 18, 8:35 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 55 min |
| Jul 18, 9:38 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 67 min |
| Jul 19, 3:11 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 34 min |
| Jul 19, 5:02 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 43 min |
| Jul 19, 6:01 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 59 min |
| Jul 19, 7:28 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 62 min |
| Jul 19, 8:32 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 28 min |
| Jul 19, 10:19 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 26 min |
| Jul 20, 3:45 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 60 min |
| Jul 20, 4:13 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Fallon | 62 min |
| Jul 20, 4:20 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 55 min |
| Jul 20, 5:06 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 54 min |
| Jul 20, 5:30 PM MDT | Severe Thunderstorm Warning | MSO | Lake, Sanders | 45 min |
| Jul 20, 6:03 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 27 min |
| Jul 20, 6:10 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 65 min |
| Jul 20, 6:47 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 58 min |
| Jul 21, 8:22 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 53 min |
| Jul 21, 8:52 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 53 min |
| Jul 22, 5:58 PM MDT | Severe Thunderstorm Warning | MSO | Lake, Sanders | 32 min |
| Jul 23, 6:43 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Stillwater, Yellowstone | 62 min |
| Jul 23, 7:37 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 53 min |
| Jul 23, 7:45 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Treasure, Yellowstone | 60 min |
| Jul 23, 8:19 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 71 min |
| Jul 23, 8:24 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 66 min |
| Jul 23, 8:50 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud | 60 min |
| Jul 23, 8:53 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Fallon | 52 min |
| Jul 23, 9:10 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River, Rosebud | 65 min |
| Jul 23, 9:46 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 59 min |
| Jul 23, 10:47 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Powder River | 58 min |
| Jul 26, 6:13 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 47 min |
| Jul 26, 6:59 PM MDT | Severe Thunderstorm Warning | MSO | Granite, Missoula, Ravalli | 61 min |
| Jul 26, 9:22 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 53 min |
| Jul 27, 5:16 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 44 min |
| Jul 27, 6:46 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 44 min |
| Jul 27, 8:09 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 66 min |
| Jul 27, 8:19 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 26 min |
| Jul 27, 8:48 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 42 min |
| Jul 27, 9:32 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 43 min |
| Jul 27, 10:17 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 43 min |
| Jul 31, 8:55 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 65 min |
| Aug 1, 12:32 AM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 58 min |
| Aug 1, 1:30 AM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 30 min |
| Aug 1, 3:34 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 41 min |
| Aug 1, 4:10 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 50 min |
| Aug 1, 4:44 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 61 min |
| Aug 1, 4:59 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 61 min |
| Aug 1, 5:17 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 58 min |
| Aug 1, 5:25 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 65 min |
| Aug 1, 6:13 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Yellowstone | 62 min |
| Aug 1, 6:27 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 63 min |
| Aug 1, 6:43 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Treasure | 62 min |
| Aug 1, 7:04 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 56 min |
| Aug 1, 7:11 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 64 min |
| Aug 1, 7:17 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 43 min |
| Aug 1, 7:21 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River, Rosebud | 54 min |
| Aug 1, 7:59 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 61 min |
| Aug 1, 8:11 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 64 min |
| Aug 1, 8:13 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River, Rosebud | 92 min |
| Aug 1, 8:52 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 53 min |
| Aug 2, 12:19 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 61 min |
| Aug 2, 1:18 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 57 min |
| Aug 2, 1:37 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 53 min |
| Aug 3, 8:59 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 61 min |
| Aug 4, 5:46 PM MDT | Severe Thunderstorm Warning | TFX | Glacier, Toole | 29 min |
| Aug 4, 5:50 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 55 min |
| Aug 4, 6:02 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 58 min |
| Aug 4, 6:15 PM MDT | Severe Thunderstorm Warning | TFX | Glacier, Toole | 60 min |
| Aug 4, 7:12 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 63 min |
| Aug 5, 1:53 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Carbon | 52 min |
| Aug 10, 3:46 PM MDT | Severe Thunderstorm Warning | MSO | Deer Lodge, Granite | 44 min |
| Aug 10, 4:08 PM MDT | Severe Thunderstorm Warning | MSO | Deer Lodge, Granite, Powell | 52 min |
| Aug 10, 7:51 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin | 24 min |
| Aug 11, 11:03 AM MDT | Severe Thunderstorm Warning | TFX | Cascade, Teton | 27 min |
| Aug 11, 11:27 AM MDT | Severe Thunderstorm Warning | TFX | Cascade | 33 min |
| Aug 11, 11:54 AM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau | 51 min |
| Aug 11, 12:38 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 52 min |
| Aug 11, 12:54 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 51 min |
| Aug 11, 1:18 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 27 min |
| Aug 11, 1:44 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 61 min |
| Aug 11, 2:27 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 63 min |
| Aug 11, 3:21 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 54 min |
| Aug 11, 3:27 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 63 min |
| Aug 11, 3:54 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 51 min |
| Aug 11, 3:56 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 64 min |
| Aug 11, 4:16 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 59 min |
| Aug 11, 4:57 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 63 min |
| Aug 11, 5:02 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 58 min |
| Aug 11, 5:07 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 53 min |
| Aug 11, 5:16 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 59 min |
| Aug 11, 5:59 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 61 min |
| Aug 11, 6:04 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 56 min |
| Aug 11, 6:08 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 67 min |
| Aug 11, 6:46 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 59 min |
| Aug 11, 6:52 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 53 min |
| Aug 11, 8:16 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 59 min |
| Aug 11, 9:16 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 29 min |
| Aug 11, 9:45 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 60 min |
| Aug 18, 4:16 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin | 29 min |
| Aug 24, 10:49 AM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 56 min |
| Aug 24, 7:06 PM MDT | Severe Thunderstorm Warning | MSO | Lincoln | 39 min |
| Aug 26, 6:52 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 53 min |
| Aug 26, 7:46 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 59 min |
| Sep 1, 7:30 PM MDT | Severe Thunderstorm Warning | MSO | Granite, Missoula, Ravalli | 45 min |
| Sep 2, 12:49 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 56 min |
| Sep 2, 5:52 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 53 min |
| Sep 2, 6:45 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 45 min |
| Sep 4, 3:09 AM MDT | Severe Thunderstorm Warning | GGW | Valley | 66 min |
| Sep 4, 4:11 AM MDT | Severe Thunderstorm Warning | GGW | Valley | 64 min |
| Sep 4, 4:35 AM MDT | Severe Thunderstorm Warning | GGW | Daniels | 55 min |
| Sep 4, 5:18 AM MDT | Severe Thunderstorm Warning | GGW | Valley | 57 min |
| Sep 4, 5:49 AM MDT | Severe Thunderstorm Warning | GGW | Richland | 56 min |
| Sep 4, 7:08 AM MDT | Severe Thunderstorm Warning | GGW | Phillips | 67 min |
| Sep 4, 8:12 AM MDT | Severe Thunderstorm Warning | GGW | Phillips | 63 min |
| Sep 4, 10:49 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 26 min |
| Sep 4, 11:14 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 31 min |
| Sep 4, 11:44 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Chouteau | 46 min |
| Sep 5, 12:12 AM MDT | Severe Thunderstorm Warning | TFX | Cascade | 33 min |
| Sep 5, 3:52 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Lewis and Clark | 38 min |
| Sep 5, 3:55 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 50 min |
| Sep 5, 4:12 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 48 min |
| Sep 5, 4:58 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 47 min |
| Sep 5, 5:35 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 40 min |
| Sep 5, 6:18 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Fergus | 27 min |
| Sep 5, 6:40 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Fergus | 50 min |
| Sep 5, 7:19 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 56 min |
| Sep 6, 7:59 AM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 31 min |
| Sep 6, 8:27 AM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 63 min |
| Oct 1, 8:03 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 42 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Garfield County33
- Chouteau County29
- Fergus County28
- Valley County27
- Blaine County26
- Phillips County26
- Cascade County24
- Rosebud County22
- Carter County20
- Powder River County19
- McCone County17
- Big Horn County16
- Dawson County16
- Yellowstone County15
- Prairie County15
- Petroleum County15
- Musselshell County14
- Judith Basin County13
- Roosevelt County12
- Custer County12
- Sheridan County11
- Richland County10
- Fallon County10
- Golden Valley County8
- Treasure County8
- Wibaux County8
- Teton County7
- Daniels County5
- Toole County5
- Hill County5
- Meagher County5
- Granite County5
- Wheatland County5
- Ravalli County5
- Gallatin County4
- Lewis and Clark County3
- Liberty County3
- Powell County3
- Carbon County3
- Deer Lodge County3
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19992001
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.