Alert archive / Montana / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Montana, 2003
261 severe thunderstorm warnings in 2003. 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 2003. Tap one for its archive.
- Severe Thunderstorm Warnings
- 261
- Busiest month
- June94 severe thunderstorm warnings
- Busiest day
- June 20, 200326 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 |
|---|---|---|---|---|
| Mar 14, 4:02 PM MST | Severe Thunderstorm Warning | MSO | Flathead, Lake | 43 min |
| Mar 14, 4:14 PM MST | Severe Thunderstorm Warning | MSO | Missoula | 31 min |
| Apr 12, 8:32 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 43 min |
| Apr 12, 9:33 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Hill, Liberty | 27 min |
| Apr 23, 5:04 PM MDT | Severe Thunderstorm Warning | TFX | Toole | 41 min |
| Apr 25, 3:42 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 63 min |
| Apr 25, 3:58 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 32 min |
| Apr 25, 5:10 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 35 min |
| May 13, 6:09 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 36 min |
| May 13, 7:31 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 29 min |
| May 15, 5:28 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Hill | 47 min |
| May 15, 6:13 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 47 min |
| May 15, 7:52 PM MDT | Severe Thunderstorm Warning | TFX | Meagher | 38 min |
| May 25, 3:11 PM MDT | Severe Thunderstorm Warning | MSO | Powell | 34 min |
| May 25, 3:45 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Teton | 45 min |
| May 25, 4:06 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 24 min |
| May 25, 4:10 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 35 min |
| May 25, 4:17 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 43 min |
| May 25, 4:29 PM MDT | Severe Thunderstorm Warning | MSO | Lake | 31 min |
| May 25, 4:29 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Toole | 61 min |
| May 25, 5:30 PM MDT | Severe Thunderstorm Warning | TFX | Liberty, Toole | 60 min |
| May 25, 5:36 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 54 min |
| May 25, 6:16 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 44 min |
| May 25, 6:41 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Pondera, Teton | 59 min |
| May 26, 2:43 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 47 min |
| May 26, 4:02 PM MDT | Severe Thunderstorm Warning | BYZ | Treasure, Yellowstone | 58 min |
| May 26, 7:07 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River, Rosebud | 53 min |
| May 26, 10:11 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 64 min |
| May 26, 10:36 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 54 min |
| May 30, 3:11 PM MDT | Severe Thunderstorm Warning | MSO | Silver Bow | 49 min |
| May 30, 4:59 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin | 46 min |
| Jun 3, 8:36 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 24 min |
| Jun 3, 9:01 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 44 min |
| Jun 5, 3:06 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 24 min |
| Jun 5, 5:14 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 61 min |
| Jun 10, 2:10 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Teton | 35 min |
| Jun 10, 2:11 PM MDT | Severe Thunderstorm Warning | TFX | Glacier | 64 min |
| Jun 10, 2:46 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Toole | 59 min |
| Jun 10, 3:34 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Teton | 56 min |
| Jun 10, 3:38 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 37 min |
| Jun 10, 3:40 PM MDT | Severe Thunderstorm Warning | MSO | Lake | 50 min |
| Jun 10, 4:04 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 56 min |
| Jun 10, 4:16 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 29 min |
| Jun 10, 4:51 PM MDT | Severe Thunderstorm Warning | MSO | Powell | 39 min |
| Jun 10, 4:54 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 51 min |
| Jun 10, 5:35 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 55 min |
| Jun 10, 5:44 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 61 min |
| Jun 10, 6:45 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 45 min |
| Jun 10, 7:02 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 58 min |
| Jun 10, 7:04 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 56 min |
| Jun 10, 7:53 PM MDT | Severe Thunderstorm Warning | MSO | Lake | 52 min |
| Jun 10, 7:57 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Judith Basin | 63 min |
| Jun 13, 4:21 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 39 min |
| Jun 13, 5:28 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater, Yellowstone | 62 min |
| Jun 15, 2:45 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 60 min |
| Jun 15, 3:41 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 64 min |
| Jun 15, 3:51 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 54 min |
| Jun 15, 4:37 PM MDT | Severe Thunderstorm Warning | TFX | Meagher | 23 min |
| Jun 15, 4:39 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 66 min |
| Jun 15, 4:43 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 47 min |
| Jun 15, 4:44 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 61 min |
| Jun 15, 5:24 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 51 min |
| Jun 15, 6:09 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 51 min |
| Jun 15, 6:27 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 58 min |
| Jun 15, 7:01 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 59 min |
| Jun 15, 7:05 PM MDT | Severe Thunderstorm Warning | TFX | Jefferson | 40 min |
| Jun 15, 8:24 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 51 min |
| Jun 15, 9:04 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 41 min |
| Jun 15, 9:56 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 49 min |
| Jun 15, 10:10 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Lewis and Clark | 65 min |
| Jun 17, 1:31 AM MDT | Severe Thunderstorm Warning | GGW | Phillips | 59 min |
| Jun 18, 6:16 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Toole | 59 min |
| Jun 18, 7:30 PM MDT | Severe Thunderstorm Warning | TFX | Pondera | 45 min |
| Jun 18, 8:16 PM MDT | Severe Thunderstorm Warning | TFX | Pondera | 59 min |
| Jun 19, 1:46 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 29 min |
| Jun 19, 2:32 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 43 min |
| Jun 19, 3:10 PM MDT | Severe Thunderstorm Warning | MSO | Granite | 50 min |
| Jun 19, 3:16 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 29 min |
| Jun 19, 3:31 PM MDT | Severe Thunderstorm Warning | MSO | Powell | 44 min |
| Jun 19, 3:31 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 59 min |
| Jun 19, 3:40 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 65 min |
| Jun 19, 3:44 PM MDT | Severe Thunderstorm Warning | TFX | Glacier, Pondera | 46 min |
| Jun 19, 4:16 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 59 min |
| Jun 19, 4:25 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 35 min |
| Jun 19, 4:34 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Teton | 41 min |
| Jun 19, 4:41 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 49 min |
| Jun 19, 5:02 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 43 min |
| Jun 19, 5:13 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 62 min |
| Jun 19, 5:19 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Toole | 41 min |
| Jun 19, 5:27 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 33 min |
| Jun 19, 6:15 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 60 min |
| Jun 19, 6:36 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 54 min |
| Jun 19, 7:24 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 51 min |
| Jun 19, 8:25 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 65 min |
| Jun 19, 8:45 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 60 min |
| Jun 19, 9:38 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 52 min |
| Jun 20, 11:25 AM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 50 min |
| Jun 20, 12:13 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 47 min |
| Jun 20, 12:36 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Teton | 24 min |
| Jun 20, 12:55 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Teton | 35 min |
| Jun 20, 1:00 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Teton | 30 min |
| Jun 20, 1:30 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Liberty, Pondera, Toole | 45 min |
| Jun 20, 2:14 PM MDT | Severe Thunderstorm Warning | TFX | Hill, Liberty | 46 min |
| Jun 20, 2:25 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 35 min |
| Jun 20, 2:47 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Hill | 43 min |
| Jun 20, 3:15 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 60 min |
| Jun 20, 3:25 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 65 min |
| Jun 20, 3:26 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Hill | 64 min |
| Jun 20, 4:00 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 60 min |
| Jun 20, 4:07 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 53 min |
| Jun 20, 4:09 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 66 min |
| Jun 20, 4:17 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 58 min |
| Jun 20, 4:58 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 62 min |
| Jun 20, 4:59 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum, Phillips | 61 min |
| Jun 20, 5:13 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 62 min |
| Jun 20, 5:16 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 59 min |
| Jun 20, 6:06 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 54 min |
| Jun 20, 6:25 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 65 min |
| Jun 20, 7:20 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Yellowstone | 25 min |
| Jun 20, 7:49 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 26 min |
| Jun 21, 9:32 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 58 min |
| Jun 22, 2:50 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater, Yellowstone | 55 min |
| Jun 22, 3:04 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 56 min |
| Jun 22, 4:01 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 44 min |
| Jun 22, 4:43 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 62 min |
| Jun 30, 6:16 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 59 min |
| Jun 30, 6:37 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 53 min |
| Jun 30, 6:53 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 52 min |
| Jun 30, 7:32 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 58 min |
| Jun 30, 7:54 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 66 min |
| Jun 30, 8:20 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 55 min |
| Jun 30, 8:56 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 64 min |
| Jun 30, 9:01 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 59 min |
| Jun 30, 9:17 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 58 min |
| Jul 1, 6:18 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 57 min |
| Jul 2, 9:59 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 61 min |
| Jul 2, 10:04 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 56 min |
| Jul 2, 10:29 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 61 min |
| Jul 2, 10:59 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 61 min |
| Jul 2, 11:09 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 66 min |
| Jul 2, 11:21 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 54 min |
| Jul 2, 11:28 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 47 min |
| Jul 2, 11:29 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 46 min |
| Jul 7, 8:10 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 65 min |
| Jul 7, 9:17 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 58 min |
| Jul 7, 9:50 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 55 min |
| Jul 7, 11:48 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon | 27 min |
| Jul 8, 10:27 AM MDT | Severe Thunderstorm Warning | TFX | Broadwater | 33 min |
| Jul 8, 11:01 AM MDT | Severe Thunderstorm Warning | TFX | Gallatin | 44 min |
| Jul 8, 12:27 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Fergus | 48 min |
| Jul 8, 12:37 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 38 min |
| Jul 8, 2:49 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 56 min |
| Jul 8, 3:35 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 55 min |
| Jul 8, 4:52 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 53 min |
| Jul 8, 5:02 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 58 min |
| Jul 8, 5:02 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 58 min |
| Jul 8, 5:13 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 62 min |
| Jul 13, 6:12 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 63 min |
| Jul 13, 6:53 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 67 min |
| Jul 13, 6:59 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Valley | 61 min |
| Jul 14, 1:40 AM MDT | Severe Thunderstorm Warning | GGW | Prairie | 35 min |
| Jul 15, 8:25 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 35 min |
| Jul 16, 4:59 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 61 min |
| Jul 16, 5:20 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 25 min |
| Jul 16, 6:15 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 45 min |
| Jul 16, 7:11 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum, Phillips | 64 min |
| Jul 16, 8:32 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 58 min |
| Jul 16, 9:37 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 53 min |
| Jul 18, 2:38 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 22 min |
| Jul 18, 6:12 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 33 min |
| Jul 19, 1:32 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 58 min |
| Jul 19, 4:44 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 61 min |
| Jul 19, 4:48 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 42 min |
| Jul 23, 7:17 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater, Sweet Grass | 58 min |
| Jul 24, 4:30 PM MDT | Severe Thunderstorm Warning | TFX | Madison | 60 min |
| Jul 24, 6:34 PM MDT | Severe Thunderstorm Warning | BYZ | Park | 56 min |
| Jul 24, 7:00 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass | 60 min |
| Jul 25, 1:54 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead | 51 min |
| Jul 25, 1:55 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead | 50 min |
| Jul 26, 5:22 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 53 min |
| Jul 26, 7:19 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 56 min |
| Jul 26, 8:16 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 59 min |
| Jul 31, 6:55 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 65 min |
| Aug 5, 5:38 PM MDT | Severe Thunderstorm Warning | MSO | Powell | 22 min |
| Aug 5, 5:48 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 42 min |
| Aug 5, 5:59 PM MDT | Severe Thunderstorm Warning | MSO | Lake, Missoula | 61 min |
| Aug 5, 6:06 PM MDT | Severe Thunderstorm Warning | TFX | Madison | 39 min |
| Aug 5, 6:17 PM MDT | Severe Thunderstorm Warning | TFX | Jefferson | 28 min |
| Aug 5, 6:39 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 36 min |
| Aug 6, 3:45 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 60 min |
| Aug 6, 3:49 PM MDT | Severe Thunderstorm Warning | MSO | Powell | 26 min |
| Aug 6, 4:23 PM MDT | Severe Thunderstorm Warning | MSO | Powell | 52 min |
| Aug 6, 4:27 PM MDT | Severe Thunderstorm Warning | MSO | Granite | 48 min |
| Aug 6, 4:34 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 56 min |
| Aug 6, 4:45 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 45 min |
| Aug 6, 4:54 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 36 min |
| Aug 6, 5:06 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 39 min |
| Aug 6, 5:09 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 51 min |
| Aug 6, 5:21 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 54 min |
| Aug 6, 5:35 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 25 min |
| Aug 6, 5:44 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 46 min |
| Aug 6, 5:45 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 30 min |
| Aug 6, 6:00 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 60 min |
| Aug 6, 6:03 PM MDT | Severe Thunderstorm Warning | MSO | Powell | 42 min |
| Aug 6, 6:10 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 50 min |
| Aug 6, 6:14 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 61 min |
| Aug 6, 7:00 PM MDT | Severe Thunderstorm Warning | MSO | Mineral, Sanders | 45 min |
| Aug 6, 7:13 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 47 min |
| Aug 6, 7:16 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 59 min |
| Aug 6, 7:26 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 64 min |
| Aug 6, 8:12 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum, Phillips, Valley | 63 min |
| Aug 6, 8:20 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 55 min |
| Aug 6, 8:30 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Phillips, Valley | 60 min |
| Aug 6, 9:18 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 57 min |
| Aug 6, 9:29 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 61 min |
| Aug 6, 10:13 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 62 min |
| Aug 6, 11:20 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 55 min |
| Aug 6, 11:53 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone | 52 min |
| Aug 7, 12:15 AM MDT | Severe Thunderstorm Warning | GGW | Garfield, Valley | 60 min |
| Aug 7, 12:53 AM MDT | Severe Thunderstorm Warning | GGW | Dawson | 67 min |
| Aug 7, 1:25 AM MDT | Severe Thunderstorm Warning | GGW | Richland, Wibaux | 65 min |
| Aug 7, 2:50 AM MDT | Severe Thunderstorm Warning | GGW | Valley | 55 min |
| Aug 7, 3:52 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 38 min |
| Aug 7, 4:35 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 55 min |
| Aug 7, 5:31 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 59 min |
| Aug 7, 5:43 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 62 min |
| Aug 7, 5:48 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 57 min |
| Aug 7, 6:47 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 58 min |
| Aug 7, 7:06 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 54 min |
| Aug 7, 7:25 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 65 min |
| Aug 7, 8:48 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 27 min |
| Aug 7, 8:52 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 23 min |
| Aug 7, 11:39 PM MDT | Severe Thunderstorm Warning | MSO | Missoula, Ravalli | 51 min |
| Aug 8, 4:45 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 30 min |
| Aug 8, 5:26 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 49 min |
| Aug 8, 5:28 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 32 min |
| Aug 8, 5:43 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 62 min |
| Aug 8, 7:20 PM MDT | Severe Thunderstorm Warning | MSO | Mineral | 40 min |
| Aug 8, 9:06 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 39 min |
| Aug 8, 9:16 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 59 min |
| Aug 8, 9:53 PM MDT | Severe Thunderstorm Warning | TFX | Liberty, Toole | 52 min |
| Aug 8, 10:45 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark, Teton | 60 min |
| Aug 8, 10:46 PM MDT | Severe Thunderstorm Warning | TFX | Liberty | 29 min |
| Aug 8, 11:32 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 28 min |
| Aug 9, 10:42 AM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 63 min |
| Aug 9, 11:53 AM MDT | Severe Thunderstorm Warning | GGW | Valley | 52 min |
| Aug 9, 2:05 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 55 min |
| Aug 9, 3:00 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 60 min |
| Aug 11, 4:33 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass | 57 min |
| Aug 11, 7:23 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 22 min |
| Aug 11, 7:32 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River | 58 min |
| Aug 11, 11:22 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 53 min |
| Aug 12, 6:29 PM MDT | Severe Thunderstorm Warning | BYZ | Treasure | 61 min |
| Aug 12, 7:25 PM MDT | Severe Thunderstorm Warning | MSO | Powell | 50 min |
| Aug 12, 8:02 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 43 min |
| Aug 12, 8:47 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Hill | 58 min |
| Aug 12, 9:03 PM MDT | Severe Thunderstorm Warning | TFX | Teton | 42 min |
| Aug 22, 5:16 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 44 min |
| Aug 22, 5:25 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 35 min |
| Aug 22, 6:22 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 53 min |
| Sep 16, 12:41 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 49 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Chouteau County19
- Garfield County18
- Fergus County17
- Valley County17
- Pondera County15
- Phillips County15
- Cascade County12
- Lewis and Clark County11
- Teton County10
- Petroleum County9
- Powder River County9
- Carter County9
- Judith Basin County9
- Toole County8
- Blaine County8
- Powell County8
- Missoula County7
- Hill County7
- Yellowstone County7
- McCone County7
- Liberty County6
- Musselshell County6
- Lake County5
- Prairie County5
- Fallon County5
- Dawson County5
- Flathead County4
- Wibaux County4
- Custer County4
- Golden Valley County4
- Stillwater County4
- Wheatland County4
- Roosevelt County4
- Big Horn County4
- Rosebud County3
- Ravalli County3
- Richland County3
- Sweet Grass County3
- Meagher County2
- Treasure County2
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20022004
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.