Alert archive / Montana / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Montana, 2007
455 severe thunderstorm warnings in 2007. 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 2007. Tap one for its archive.
- Severe Thunderstorm Warnings
- 455
- Busiest month
- June157 severe thunderstorm warnings
- Busiest day
- June 17, 200742 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 17, 7:39 PM MDT | Severe Thunderstorm Warning | MSO | Granite | 32 min |
| Apr 18, 4:50 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Phillips, Valley | 55 min |
| Apr 18, 6:22 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 53 min |
| Apr 29, 6:45 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Treasure, Yellowstone | 41 min |
| May 2, 3:51 PM MDT | Severe Thunderstorm Warning | TFX | Liberty, Toole | 39 min |
| May 2, 9:23 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Phillips, Valley | 67 min |
| May 2, 10:01 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 59 min |
| May 3, 1:20 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Yellowstone | 25 min |
| May 3, 1:43 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Yellowstone | 32 min |
| May 3, 2:05 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 25 min |
| May 3, 2:17 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 28 min |
| May 3, 2:47 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 58 min |
| May 3, 3:31 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone | 59 min |
| May 3, 3:43 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Valley | 62 min |
| May 3, 4:04 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Valley | 56 min |
| May 3, 4:55 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Valley | 65 min |
| May 3, 6:18 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Valley | 30 min |
| May 10, 1:10 PM MDT | Severe Thunderstorm Warning | TFX | Jefferson, Madison | 50 min |
| May 10, 1:57 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead, Madison | 48 min |
| May 10, 2:24 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin, Madison | 51 min |
| May 10, 3:44 PM MDT | Severe Thunderstorm Warning | MSO | Powell | 35 min |
| May 10, 3:49 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Lewis and Clark | 56 min |
| May 10, 3:58 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 62 min |
| May 10, 4:04 PM MDT | Severe Thunderstorm Warning | MSO | Lake, Powell | 26 min |
| May 10, 4:08 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 52 min |
| May 10, 4:12 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 48 min |
| May 10, 4:19 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 41 min |
| May 10, 4:45 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau | 60 min |
| May 10, 6:39 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Lewis and Clark, Teton | 51 min |
| May 12, 5:04 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 41 min |
| May 12, 6:22 PM MDT | Severe Thunderstorm Warning | TFX | Liberty | 23 min |
| May 12, 7:31 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 37 min |
| May 12, 7:42 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 63 min |
| May 12, 8:06 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 54 min |
| May 12, 9:09 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 31 min |
| May 12, 11:31 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 44 min |
| May 13, 12:11 AM MDT | Severe Thunderstorm Warning | MSO | Flathead | 38 min |
| May 13, 2:48 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 18 min |
| May 13, 3:12 PM MDT | Severe Thunderstorm Warning | BYZ | Park, Wheatland | 63 min |
| May 13, 3:18 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass | 57 min |
| May 13, 3:18 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin | 42 min |
| May 13, 3:34 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 56 min |
| May 13, 3:48 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 57 min |
| May 13, 4:12 PM MDT | Severe Thunderstorm Warning | BYZ | Park, Sweet Grass | 63 min |
| May 13, 4:24 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Musselshell | 29 min |
| May 13, 4:40 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Stillwater, Wheatland | 80 min |
| May 13, 4:44 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 46 min |
| May 13, 4:59 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater, Sweet Grass | 61 min |
| May 13, 5:09 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 66 min |
| May 13, 5:27 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Sheridan, Valley | 63 min |
| May 13, 5:58 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Treasure, Yellowstone | 62 min |
| May 13, 6:11 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 64 min |
| May 13, 6:12 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 33 min |
| May 13, 6:19 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 44 min |
| May 13, 6:24 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Phillips, Valley | 66 min |
| May 13, 6:28 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Sheridan | 62 min |
| May 13, 6:37 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud, Treasure | 53 min |
| May 13, 6:38 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Yellowstone | 67 min |
| May 13, 6:53 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Prairie, Richland, Roosevelt | 67 min |
| May 13, 6:54 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Treasure, Yellowstone | 57 min |
| May 13, 7:16 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 59 min |
| May 13, 7:26 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Roosevelt, Valley | 64 min |
| May 13, 7:27 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 63 min |
| May 13, 7:30 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud, Treasure | 45 min |
| May 13, 7:46 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud | 59 min |
| May 13, 7:49 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 56 min |
| May 13, 8:01 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Prairie, Richland | 59 min |
| May 13, 8:14 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 31 min |
| May 13, 8:22 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 53 min |
| May 13, 8:34 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie, Richland, Wibaux | 56 min |
| May 13, 8:56 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Fallon | 64 min |
| May 13, 9:13 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 32 min |
| May 13, 9:22 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 23 min |
| May 13, 9:25 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie, Richland, Wibaux | 65 min |
| May 13, 9:58 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Fallon | 47 min |
| May 17, 3:26 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 20 min |
| May 17, 8:40 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Hill | 50 min |
| May 18, 3:56 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland, Wibaux | 64 min |
| May 18, 4:17 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Yellowstone | 28 min |
| May 18, 4:48 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Wibaux | 42 min |
| May 19, 4:23 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Yellowstone | 35 min |
| May 19, 4:31 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 44 min |
| May 19, 5:30 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 47 min |
| May 19, 6:08 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 67 min |
| May 19, 6:28 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 62 min |
| May 19, 6:46 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 59 min |
| May 19, 6:55 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 65 min |
| May 19, 7:13 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 47 min |
| May 19, 7:19 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 56 min |
| May 19, 7:26 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 35 min |
| May 19, 7:40 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 30 min |
| May 20, 2:11 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 60 min |
| May 20, 4:51 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Wheatland | 37 min |
| May 20, 6:20 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 40 min |
| May 20, 6:50 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 25 min |
| May 20, 7:17 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Musselshell | 58 min |
| May 20, 7:54 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum | 66 min |
| May 20, 8:09 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 36 min |
| May 20, 8:32 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Rosebud, Treasure, Yellowstone | 73 min |
| May 20, 8:57 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 63 min |
| May 20, 9:58 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Prairie | 62 min |
| May 20, 11:00 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Prairie | 60 min |
| May 20, 11:57 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie | 63 min |
| May 21, 12:34 AM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland | 56 min |
| May 21, 1:14 AM MDT | Severe Thunderstorm Warning | GGW | Richland | 46 min |
| May 24, 3:40 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum | 65 min |
| Jun 4, 5:40 PM MDT | Severe Thunderstorm Warning | MSO | Mineral, Missoula | 35 min |
| Jun 5, 3:47 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater, Sweet Grass | 58 min |
| Jun 5, 4:24 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 39 min |
| Jun 5, 4:25 PM MDT | Severe Thunderstorm Warning | MSO | Lake | 35 min |
| Jun 5, 4:38 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 33 min |
| Jun 5, 4:45 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin | 21 min |
| Jun 5, 5:26 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 49 min |
| Jun 5, 6:37 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 23 min |
| Jun 5, 10:51 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 39 min |
| Jun 6, 12:36 AM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Sheridan | 54 min |
| Jun 6, 1:30 AM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt, Sheridan | 60 min |
| Jun 6, 4:50 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 55 min |
| Jun 11, 4:08 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 41 min |
| Jun 11, 10:11 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 34 min |
| Jun 11, 10:15 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Wibaux | 33 min |
| Jun 12, 1:17 AM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 58 min |
| Jun 16, 12:49 AM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 26 min |
| Jun 16, 1:11 AM MDT | Severe Thunderstorm Warning | BYZ | Carter | 64 min |
| Jun 16, 2:17 AM MDT | Severe Thunderstorm Warning | BYZ | Carter | 27 min |
| Jun 16, 11:51 AM MDT | Severe Thunderstorm Warning | TFX | Hill, Liberty | 54 min |
| Jun 16, 12:45 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 45 min |
| Jun 16, 2:05 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 55 min |
| Jun 16, 3:00 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 60 min |
| Jun 16, 3:21 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 54 min |
| Jun 16, 3:28 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 47 min |
| Jun 16, 4:14 PM MDT | Severe Thunderstorm Warning | TFX | Meagher | 46 min |
| Jun 16, 4:14 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 31 min |
| Jun 16, 4:27 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 48 min |
| Jun 16, 4:41 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Stillwater, Sweet Grass | 49 min |
| Jun 16, 4:41 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau | 64 min |
| Jun 16, 4:53 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 67 min |
| Jun 16, 5:13 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 62 min |
| Jun 16, 5:14 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 23 min |
| Jun 16, 5:25 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater, Yellowstone | 65 min |
| Jun 16, 5:42 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Meagher | 48 min |
| Jun 16, 6:01 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Fergus, Judith Basin | 59 min |
| Jun 16, 6:26 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 79 min |
| Jun 16, 6:30 PM MDT | Severe Thunderstorm Warning | MSO | Granite | 26 min |
| Jun 16, 7:01 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 29 min |
| Jun 16, 7:24 PM MDT | Severe Thunderstorm Warning | BYZ | Treasure | 35 min |
| Jun 16, 7:47 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 58 min |
| Jun 16, 8:58 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 10 min |
| Jun 16, 9:03 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 57 min |
| Jun 16, 9:11 PM MDT | Severe Thunderstorm Warning | MSO | Deer Lodge, Silver Bow | 32 min |
| Jun 16, 9:14 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 46 min |
| Jun 16, 9:25 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Valley | 65 min |
| Jun 16, 10:15 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone | 60 min |
| Jun 16, 11:20 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone | 25 min |
| Jun 16, 11:45 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone | 47 min |
| Jun 16, 11:58 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 47 min |
| Jun 17, 12:31 AM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland | 44 min |
| Jun 17, 12:38 AM MDT | Severe Thunderstorm Warning | TFX | Fergus | 52 min |
| Jun 17, 12:52 AM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 48 min |
| Jun 17, 1:17 AM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 43 min |
| Jun 17, 1:27 AM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum | 48 min |
| Jun 17, 2:06 AM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Musselshell | 54 min |
| Jun 17, 2:11 AM MDT | Severe Thunderstorm Warning | GGW | Garfield | 64 min |
| Jun 17, 2:16 AM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Wheatland | 44 min |
| Jun 17, 2:26 AM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone | 64 min |
| Jun 17, 2:56 AM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Stillwater, Sweet Grass, Wheatland | 25 min |
| Jun 17, 2:56 AM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Rosebud, Treasure, Yellowstone | 64 min |
| Jun 17, 3:03 AM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Yellowstone | 57 min |
| Jun 17, 3:04 AM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Prairie | 56 min |
| Jun 17, 3:26 AM MDT | Severe Thunderstorm Warning | BYZ | Stillwater, Yellowstone | 64 min |
| Jun 17, 3:26 AM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Richland | 64 min |
| Jun 17, 3:47 AM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 58 min |
| Jun 17, 3:56 AM MDT | Severe Thunderstorm Warning | BYZ | Rosebud, Treasure | 64 min |
| Jun 17, 3:58 AM MDT | Severe Thunderstorm Warning | GGW | Prairie | 47 min |
| Jun 17, 4:08 AM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Treasure, Yellowstone | 67 min |
| Jun 17, 4:25 AM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland | 47 min |
| Jun 17, 4:40 AM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 65 min |
| Jun 17, 4:40 AM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie | 65 min |
| Jun 17, 4:46 AM MDT | Severe Thunderstorm Warning | BYZ | Custer | 29 min |
| Jun 17, 5:09 AM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie | 29 min |
| Jun 17, 5:29 AM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland | 61 min |
| Jun 17, 6:00 AM MDT | Severe Thunderstorm Warning | BYZ | Custer, Fallon | 37 min |
| Jun 17, 6:09 AM MDT | Severe Thunderstorm Warning | GGW | Richland | 35 min |
| Jun 20, 2:49 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead | 41 min |
| Jun 20, 6:01 PM MDT | Severe Thunderstorm Warning | BYZ | Park | 29 min |
| Jun 20, 8:08 PM MDT | Severe Thunderstorm Warning | MSO | Lake, Sanders | 37 min |
| Jun 20, 8:40 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 21 min |
| Jun 20, 8:42 PM MDT | Severe Thunderstorm Warning | MSO | Lake, Sanders | 48 min |
| Jun 20, 8:44 PM MDT | Severe Thunderstorm Warning | MSO | Lake, Sanders | 31 min |
| Jun 20, 9:29 PM MDT | Severe Thunderstorm Warning | MSO | Lake, Missoula | 31 min |
| Jun 20, 9:36 PM MDT | Severe Thunderstorm Warning | MSO | Lake, Sanders | 39 min |
| Jun 21, 3:53 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 40 min |
| Jun 21, 4:38 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 67 min |
| Jun 21, 5:26 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Sheridan | 64 min |
| Jun 21, 6:30 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 39 min |
| Jun 22, 2:09 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie, Wibaux | 66 min |
| Jun 22, 3:16 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Wibaux | 59 min |
| Jun 22, 4:37 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Wibaux | 53 min |
| Jun 23, 1:08 AM MDT | Severe Thunderstorm Warning | TFX | Blaine | 67 min |
| Jun 24, 5:38 AM MDT | Severe Thunderstorm Warning | TFX | Blaine, Hill | 67 min |
| Jun 24, 7:20 AM MDT | Severe Thunderstorm Warning | TFX | Blaine | 40 min |
| Jun 24, 9:47 AM MDT | Severe Thunderstorm Warning | TFX | Blaine | 12 min |
| Jun 24, 6:37 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 19 min |
| Jun 24, 6:47 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Wheatland | 58 min |
| Jun 24, 7:16 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 59 min |
| Jun 24, 7:33 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 27 min |
| Jun 24, 7:43 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 24 min |
| Jun 24, 7:52 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 38 min |
| Jun 24, 7:58 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 62 min |
| Jun 24, 7:59 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Phillips, Valley | 61 min |
| Jun 24, 8:45 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Rosebud, Treasure, Yellowstone | 60 min |
| Jun 24, 8:45 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 75 min |
| Jun 24, 8:58 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Valley | 62 min |
| Jun 24, 9:31 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 44 min |
| Jun 24, 9:37 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud, Treasure | 53 min |
| Jun 24, 9:56 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 64 min |
| Jun 24, 9:58 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Valley | 62 min |
| Jun 24, 10:07 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 53 min |
| Jun 24, 10:29 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 61 min |
| Jun 24, 10:57 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Garfield, McCone, Prairie, Roosevelt, Valley | 63 min |
| Jun 24, 10:58 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 62 min |
| Jun 24, 11:02 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 58 min |
| Jun 24, 11:28 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 62 min |
| Jun 24, 11:37 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum, Phillips | 53 min |
| Jun 24, 11:39 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Richland, Roosevelt, Sheridan | 66 min |
| Jun 25, 12:27 AM MDT | Severe Thunderstorm Warning | GGW | Garfield, Phillips, Valley | 63 min |
| Jun 25, 7:28 AM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 47 min |
| Jun 25, 8:17 AM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Hill | 43 min |
| Jun 25, 8:43 AM MDT | Severe Thunderstorm Warning | TFX | Blaine | 62 min |
| Jun 25, 9:22 AM MDT | Severe Thunderstorm Warning | TFX | Blaine | 38 min |
| Jun 25, 9:44 AM MDT | Severe Thunderstorm Warning | GGW | Phillips | 51 min |
| Jun 25, 4:27 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 63 min |
| Jun 25, 5:10 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 65 min |
| Jun 25, 5:47 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 44 min |
| Jun 25, 10:59 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 22 min |
| Jun 28, 5:41 PM MDT | Severe Thunderstorm Warning | MSO | Missoula, Powell | 54 min |
| Jun 28, 5:43 PM MDT | Severe Thunderstorm Warning | MSO | Missoula, Ravalli | 62 min |
| Jun 28, 7:10 PM MDT | Severe Thunderstorm Warning | MSO | Lake | 44 min |
| Jun 28, 7:37 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Teton | 38 min |
| Jun 28, 8:13 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Teton | 47 min |
| Jun 29, 2:45 PM MDT | Severe Thunderstorm Warning | TFX | Glacier | 37 min |
| Jun 29, 3:18 PM MDT | Severe Thunderstorm Warning | TFX | Glacier, Pondera, Toole | 42 min |
| Jun 29, 4:25 PM MDT | Severe Thunderstorm Warning | TFX | Toole | 20 min |
| Jun 29, 6:29 PM MDT | Severe Thunderstorm Warning | MSO | Lincoln | 61 min |
| Jun 29, 7:17 PM MDT | Severe Thunderstorm Warning | MSO | Lincoln | 58 min |
| Jun 29, 7:23 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Teton | 54 min |
| Jun 29, 7:30 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 45 min |
| Jun 29, 7:55 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Liberty | 65 min |
| Jun 29, 8:10 PM MDT | Severe Thunderstorm Warning | MSO | Mineral | 50 min |
| Jun 29, 8:26 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 64 min |
| Jun 29, 9:03 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 27 min |
| Jun 29, 9:21 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Hill | 54 min |
| Jun 29, 9:59 PM MDT | Severe Thunderstorm Warning | MSO | Lake | 31 min |
| Jun 29, 10:15 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 60 min |
| Jun 29, 11:14 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 61 min |
| Jun 29, 11:28 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 32 min |
| Jun 30, 12:10 AM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 27 min |
| Jun 30, 12:41 AM MDT | Severe Thunderstorm Warning | GGW | Phillips | 49 min |
| Jun 30, 1:42 AM MDT | Severe Thunderstorm Warning | GGW | Phillips | 63 min |
| Jun 30, 2:28 AM MDT | Severe Thunderstorm Warning | GGW | Phillips | 47 min |
| Jun 30, 2:55 AM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 16 min |
| Jun 30, 8:19 AM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 26 min |
| Jun 30, 5:34 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 41 min |
| Jul 1, 2:18 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 33 min |
| Jul 1, 2:30 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 60 min |
| Jul 1, 3:30 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 45 min |
| Jul 1, 3:35 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 55 min |
| Jul 1, 4:28 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum | 62 min |
| Jul 1, 4:54 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 66 min |
| Jul 1, 5:27 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 63 min |
| Jul 1, 5:55 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 44 min |
| Jul 1, 5:57 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 32 min |
| Jul 1, 6:36 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 54 min |
| Jul 1, 7:26 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 34 min |
| Jul 2, 2:18 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 42 min |
| Jul 2, 3:00 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 60 min |
| Jul 2, 3:44 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Pondera, Teton | 31 min |
| Jul 2, 3:45 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 45 min |
| Jul 2, 3:58 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 62 min |
| Jul 2, 4:14 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 46 min |
| Jul 2, 4:30 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 24 min |
| Jul 2, 4:41 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 49 min |
| Jul 2, 4:59 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 28 min |
| Jul 2, 4:59 PM MDT | Severe Thunderstorm Warning | TFX | Hill, Liberty | 46 min |
| Jul 2, 5:09 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 66 min |
| Jul 2, 5:29 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 46 min |
| Jul 2, 6:00 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 39 min |
| Jul 2, 6:14 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 61 min |
| Jul 2, 6:15 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 45 min |
| Jul 2, 6:17 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 43 min |
| Jul 2, 6:46 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 59 min |
| Jul 2, 6:59 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 31 min |
| Jul 2, 7:15 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 60 min |
| Jul 2, 7:26 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 64 min |
| Jul 2, 7:31 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 44 min |
| Jul 2, 7:46 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Valley | 59 min |
| Jul 2, 8:46 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 59 min |
| Jul 2, 8:47 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 58 min |
| Jul 2, 9:41 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 41 min |
| Jul 2, 9:46 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt | 59 min |
| Jul 2, 10:45 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie | 60 min |
| Jul 2, 11:23 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie, Richland, Wibaux | 67 min |
| Jul 2, 11:44 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie | 46 min |
| Jul 2, 11:59 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Rosebud | 45 min |
| Jul 3, 12:28 AM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie, Wibaux | 62 min |
| Jul 3, 1:16 AM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie | 59 min |
| Jul 3, 1:27 AM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie, Wibaux | 63 min |
| Jul 3, 2:15 AM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie | 60 min |
| Jul 3, 2:31 AM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie, Wibaux | 59 min |
| Jul 3, 3:32 AM MDT | Severe Thunderstorm Warning | GGW | Prairie, Wibaux | 32 min |
| Jul 6, 5:49 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 41 min |
| Jul 6, 6:31 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 44 min |
| Jul 6, 6:42 PM MDT | Severe Thunderstorm Warning | MSO | Powell | 48 min |
| Jul 6, 9:13 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 62 min |
| Jul 6, 9:37 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 53 min |
| Jul 6, 10:16 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 59 min |
| Jul 6, 11:18 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Valley | 57 min |
| Jul 7, 6:18 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 57 min |
| Jul 7, 6:43 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 62 min |
| Jul 7, 7:12 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Yellowstone | 63 min |
| Jul 7, 7:34 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 41 min |
| Jul 7, 7:58 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Stillwater | 62 min |
| Jul 7, 8:44 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 61 min |
| Jul 7, 8:54 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau | 33 min |
| Jul 7, 9:20 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 40 min |
| Jul 7, 10:12 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 21 min |
| Jul 7, 11:12 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 48 min |
| Jul 7, 11:22 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum, Phillips | 53 min |
| Jul 8, 12:05 AM MDT | Severe Thunderstorm Warning | BYZ | Carter, Custer | 25 min |
| Jul 8, 12:22 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 54 min |
| Jul 8, 1:28 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 62 min |
| Jul 8, 3:37 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 53 min |
| Jul 9, 12:56 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Prairie | 64 min |
| Jul 9, 1:34 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 56 min |
| Jul 9, 1:58 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie | 62 min |
| Jul 9, 2:09 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 66 min |
| Jul 9, 2:25 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt | 65 min |
| Jul 9, 2:48 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Wibaux | 57 min |
| Jul 9, 2:50 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 55 min |
| Jul 9, 3:08 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 36 min |
| Jul 9, 3:22 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 38 min |
| Jul 9, 3:24 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 31 min |
| Jul 9, 3:36 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 54 min |
| Jul 9, 3:51 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 42 min |
| Jul 9, 4:50 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 25 min |
| Jul 14, 4:08 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Treasure | 42 min |
| Jul 14, 4:18 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 27 min |
| Jul 14, 5:01 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 74 min |
| Jul 14, 5:08 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon | 52 min |
| Jul 14, 6:47 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 58 min |
| Jul 14, 9:13 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone | 45 min |
| Jul 14, 10:36 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 54 min |
| Jul 15, 4:51 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 39 min |
| Jul 16, 7:20 PM MDT | Severe Thunderstorm Warning | MSO | Granite | 40 min |
| Jul 17, 5:16 PM MDT | Severe Thunderstorm Warning | MSO | Mineral | 44 min |
| Jul 17, 8:24 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 36 min |
| Jul 18, 6:19 PM MDT | Severe Thunderstorm Warning | MSO | Mineral, Sanders | 56 min |
| Jul 18, 7:28 PM MDT | Severe Thunderstorm Warning | MSO | Sanders | 9 min |
| Jul 18, 8:24 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 51 min |
| Jul 18, 8:29 PM MDT | Severe Thunderstorm Warning | MSO | Lincoln | 46 min |
| Jul 18, 9:08 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 67 min |
| Jul 18, 9:10 PM MDT | Severe Thunderstorm Warning | MSO | Lincoln | 50 min |
| Jul 18, 9:37 PM MDT | Severe Thunderstorm Warning | MSO | Sanders | 38 min |
| Jul 18, 10:07 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 38 min |
| Jul 18, 11:18 PM MDT | Severe Thunderstorm Warning | MSO | Lincoln | 42 min |
| Jul 18, 11:53 PM MDT | Severe Thunderstorm Warning | TFX | Glacier | 52 min |
| Jul 19, 12:16 AM MDT | Severe Thunderstorm Warning | MSO | Lincoln | 29 min |
| Jul 19, 12:44 AM MDT | Severe Thunderstorm Warning | TFX | Glacier | 19 min |
| Jul 19, 1:43 AM MDT | Severe Thunderstorm Warning | MSO | Lincoln | 32 min |
| Jul 19, 4:17 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 23 min |
| Jul 19, 5:06 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 54 min |
| Jul 19, 5:31 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 44 min |
| Jul 19, 6:12 PM MDT | Severe Thunderstorm Warning | TFX | Liberty | 38 min |
| Jul 19, 6:38 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 52 min |
| Jul 19, 7:30 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 45 min |
| Jul 20, 7:28 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 39 min |
| Jul 20, 7:33 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 42 min |
| Jul 20, 8:13 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 47 min |
| Jul 20, 8:44 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 46 min |
| Jul 20, 9:00 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 45 min |
| Jul 20, 9:26 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 49 min |
| Jul 20, 10:20 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 40 min |
| Jul 20, 11:19 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 41 min |
| Jul 22, 10:26 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Wibaux | 64 min |
| Jul 23, 4:14 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 46 min |
| Jul 23, 4:48 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 57 min |
| Jul 23, 5:21 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 39 min |
| Jul 23, 5:56 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 35 min |
| Jul 23, 6:00 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 45 min |
| Jul 23, 6:01 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 44 min |
| Jul 23, 6:46 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 44 min |
| Jul 23, 7:13 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 47 min |
| Jul 23, 7:27 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 48 min |
| Jul 23, 9:18 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 57 min |
| Jul 23, 9:48 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 42 min |
| Jul 24, 5:26 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 47 min |
| Jul 24, 5:53 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 67 min |
| Aug 4, 4:43 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 32 min |
| Aug 4, 4:56 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon, Stillwater | 34 min |
| Aug 4, 5:08 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 37 min |
| Aug 4, 5:21 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 54 min |
| Aug 5, 6:26 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin | 49 min |
| Aug 7, 3:39 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 21 min |
| Aug 7, 5:34 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Fallon | 56 min |
| Aug 10, 4:00 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 30 min |
| Aug 10, 5:16 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 29 min |
| Aug 10, 5:44 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 31 min |
| Aug 10, 5:48 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 42 min |
| Aug 10, 5:50 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum, Phillips | 55 min |
| Aug 10, 6:14 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 46 min |
| Aug 10, 6:22 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Valley | 53 min |
| Aug 10, 6:29 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 61 min |
| Aug 10, 6:37 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 23 min |
| Aug 10, 6:54 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Valley | 66 min |
| Aug 10, 7:03 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 42 min |
| Aug 10, 7:19 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Valley | 41 min |
| Aug 10, 7:23 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Prairie, Richland, Roosevelt | 67 min |
| Aug 10, 8:00 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Sheridan | 60 min |
| Aug 10, 8:09 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland | 66 min |
| Aug 10, 8:34 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Prairie, Richland, Wibaux | 56 min |
| Aug 10, 8:46 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt, Sheridan | 59 min |
| Aug 10, 9:30 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie, Richland, Wibaux | 30 min |
| Aug 10, 9:47 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt, Sheridan | 13 min |
| Aug 12, 8:36 AM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 54 min |
| Aug 17, 6:04 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 34 min |
| Aug 17, 9:45 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 60 min |
| Aug 17, 10:47 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 58 min |
| Aug 18, 2:06 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater, Sweet Grass | 39 min |
| Aug 18, 3:47 PM MDT | Severe Thunderstorm Warning | TFX | Madison | 43 min |
| Aug 18, 4:32 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin, Madison | 43 min |
| Aug 18, 5:08 PM MDT | Severe Thunderstorm Warning | BYZ | Park | 45 min |
| Aug 19, 3:21 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 29 min |
| Aug 19, 3:32 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 88 min |
| Aug 19, 4:03 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Teton | 57 min |
| Aug 19, 4:29 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 91 min |
| Aug 19, 7:04 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 56 min |
| Aug 19, 9:34 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 56 min |
| Aug 31, 5:39 PM MDT | Severe Thunderstorm Warning | MSO | Lincoln | 25 min |
| Sep 4, 4:07 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Valley | 53 min |
| Sep 4, 4:15 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Valley | 60 min |
| Sep 4, 4:59 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Valley | 61 min |
| Sep 4, 5:14 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Roosevelt | 61 min |
| Sep 4, 6:18 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt | 30 min |
| Sep 4, 6:28 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Roosevelt | 62 min |
| Sep 4, 9:00 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 45 min |
| Sep 7, 5:45 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Rosebud | 60 min |
| Sep 7, 6:44 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud, Treasure | 61 min |
| Sep 7, 7:35 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 40 min |
| Sep 7, 7:41 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 42 min |
| Sep 7, 8:32 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum, Phillips | 47 min |
| Sep 19, 11:05 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie | 40 min |
| Sep 19, 11:33 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 38 min |
| Sep 19, 11:46 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 30 min |
| Sep 20, 1:06 AM MDT | Severe Thunderstorm Warning | GGW | Dawson | 39 min |
| Sep 20, 1:14 AM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone | 21 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Phillips County43
- Dawson County43
- Valley County40
- Garfield County36
- Prairie County29
- Richland County29
- McCone County27
- Chouteau County25
- Roosevelt County25
- Yellowstone County24
- Rosebud County23
- Sheridan County22
- Fergus County22
- Hill County21
- Blaine County20
- Wibaux County19
- Musselshell County16
- Golden Valley County15
- Treasure County14
- Custer County14
- Big Horn County13
- Stillwater County13
- Carter County13
- Cascade County12
- Wheatland County12
- Judith Basin County11
- Petroleum County11
- Daniels County10
- Lake County9
- Missoula County8
- Fallon County8
- Lincoln County8
- Lewis and Clark County7
- Powder River County7
- Sweet Grass County7
- Sanders County7
- Liberty County6
- Teton County6
- Pondera County6
- Madison County5
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20062008
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.