Alert archive / Montana / Special Weather Statements / 2018
Special Weather Statements in Montana, May 2018
281 special weather statements in May 2018. 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 special weather statements reaches back to 2006.
Special Weather Statements by county
Each county as a circle sized by its count in May 2018. Tap one for its archive.
- Special Weather Statements
- 281
- Busiest day
- May 27, 201831 special weather statements
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 4:37 PM MDT | Special Weather Statement | TFX | Chouteau | 23 min |
| May 1, 5:07 PM MDT | Special Weather Statement | TFX | 23 min | |
| May 1, 6:21 PM MDT | Special Weather Statement | TFX | Blaine | 24 min |
| May 4, 6:34 PM MDT | Special Weather Statement | GGW | McCone | 41 min |
| May 5, 2:52 PM MDT | Special Weather Statement | TFX | Beaverhead | 23 min |
| May 5, 3:17 PM MDT | Special Weather Statement | TFX | 28 min | |
| May 6, 2:47 PM MDT | Special Weather Statement | MSO | Deer Lodge | 28 min |
| May 6, 2:51 PM MDT | Special Weather Statement | TFX | Beaverhead, Broadwater, Gallatin, Jefferson, Madison, Meagher | 54 min |
| May 6, 3:46 PM MDT | Special Weather Statement | TFX | Gallatin | 44 min |
| May 6, 3:47 PM MDT | Special Weather Statement | MSO | 28 min | |
| May 6, 3:57 PM MDT | Special Weather Statement | TFX | Jefferson | 33 min |
| May 6, 4:36 PM MDT | Special Weather Statement | TFX | Jefferson | 24 min |
| May 6, 4:43 PM MDT | Special Weather Statement | TFX | Judith Basin | 32 min |
| May 6, 4:52 PM MDT | Special Weather Statement | MSO | Silver Bow | 23 min |
| May 6, 4:53 PM MDT | Special Weather Statement | MSO | Ravalli | 67 min |
| May 6, 5:30 PM MDT | Special Weather Statement | MSO | Granite | 75 min |
| May 6, 5:31 PM MDT | Special Weather Statement | TFX | Broadwater | 59 min |
| May 6, 5:44 PM MDT | Special Weather Statement | BYZ | Park | 31 min |
| May 6, 6:14 PM MDT | Special Weather Statement | BYZ | Park | 46 min |
| May 6, 6:23 PM MDT | Special Weather Statement | MSO | Granite | 37 min |
| May 6, 6:42 PM MDT | Special Weather Statement | TFX | Cascade | 33 min |
| May 6, 7:09 PM MDT | Special Weather Statement | MSO | Missoula | 66 min |
| May 6, 7:54 PM MDT | Special Weather Statement | BYZ | Yellowstone | 36 min |
| May 6, 7:54 PM MDT | Special Weather Statement | MSO | Mineral | 51 min |
| May 6, 7:55 PM MDT | Special Weather Statement | TFX | Judith Basin | 65 min |
| May 6, 8:08 PM MDT | Special Weather Statement | MSO | Lake | 67 min |
| May 6, 8:25 PM MDT | Special Weather Statement | TFX | Teton | 65 min |
| May 6, 8:41 PM MDT | Special Weather Statement | TFX | Fergus | 64 min |
| May 6, 9:19 PM MDT | Special Weather Statement | MSO | Lincoln | 41 min |
| May 7, 1:52 PM MDT | Special Weather Statement | BYZ | Yellowstone | 38 min |
| May 7, 2:37 PM MDT | Special Weather Statement | BYZ | Big Horn | 53 min |
| May 7, 2:41 PM MDT | Special Weather Statement | GGW | Prairie | 49 min |
| May 7, 3:26 PM MDT | Special Weather Statement | GGW | Prairie | 49 min |
| May 7, 4:11 PM MDT | Special Weather Statement | GGW | Prairie | 49 min |
| May 7, 4:17 PM MDT | Special Weather Statement | BYZ | Rosebud | 58 min |
| May 7, 4:20 PM MDT | Special Weather Statement | GGW | Wibaux | 40 min |
| May 7, 4:55 PM MDT | Special Weather Statement | GGW | Wibaux | 50 min |
| May 7, 5:21 PM MDT | Special Weather Statement | BYZ | Custer | 54 min |
| May 8, 3:18 PM MDT | Special Weather Statement | GGW | Garfield | 42 min |
| May 8, 3:42 PM MDT | Special Weather Statement | GGW | Phillips | 63 min |
| May 8, 4:47 PM MDT | Special Weather Statement | BYZ | Treasure | 43 min |
| May 8, 4:49 PM MDT | Special Weather Statement | GGW | Valley | 41 min |
| May 8, 5:30 PM MDT | Special Weather Statement | BYZ | Treasure | 60 min |
| May 8, 5:34 PM MDT | Special Weather Statement | GGW | Valley | 41 min |
| May 8, 5:44 PM MDT | Special Weather Statement | BYZ | Custer | 46 min |
| May 8, 6:14 PM MDT | Special Weather Statement | GGW | McCone | 46 min |
| May 8, 6:29 PM MDT | Special Weather Statement | BYZ | Custer | 61 min |
| May 8, 6:33 PM MDT | Special Weather Statement | BYZ | Big Horn | 57 min |
| May 8, 6:57 PM MDT | Special Weather Statement | GGW | Garfield | 48 min |
| May 8, 7:10 PM MDT | Special Weather Statement | BYZ | Fallon | 50 min |
| May 8, 7:28 PM MDT | Special Weather Statement | BYZ | Custer | 47 min |
| May 8, 7:46 PM MDT | Special Weather Statement | GGW | Prairie | 44 min |
| May 8, 7:53 PM MDT | Special Weather Statement | GGW | Sheridan | 52 min |
| May 8, 8:01 PM MDT | Special Weather Statement | BYZ | Carter | 59 min |
| May 8, 8:10 PM MDT | Special Weather Statement | BYZ | Fallon | 65 min |
| May 8, 8:12 PM MDT | Special Weather Statement | GGW | Roosevelt | 48 min |
| May 8, 9:58 PM MDT | Special Weather Statement | BYZ | Carter | 32 min |
| May 9, 4:05 PM MDT | Special Weather Statement | TFX | Cascade | 55 min |
| May 9, 5:54 PM MDT | Special Weather Statement | TFX | Judith Basin | 36 min |
| May 9, 6:47 PM MDT | Special Weather Statement | BYZ | Carbon | 43 min |
| May 10, 3:41 PM MDT | Special Weather Statement | TFX | Liberty | 49 min |
| May 10, 8:03 PM MDT | Special Weather Statement | BYZ | Sweet Grass | 42 min |
| May 10, 8:47 PM MDT | Special Weather Statement | TFX | Judith Basin | 43 min |
| May 10, 9:27 PM MDT | Special Weather Statement | BYZ | Stillwater | 48 min |
| May 10, 9:39 PM MDT | Special Weather Statement | TFX | Judith Basin | 66 min |
| May 10, 10:42 PM MDT | Special Weather Statement | BYZ | Yellowstone | 48 min |
| May 14, 3:32 PM MDT | Special Weather Statement | BYZ | Carter | 43 min |
| May 14, 4:20 PM MDT | Special Weather Statement | BYZ | Carter, Fallon | 40 min |
| May 16, 12:14 PM MDT | Special Weather Statement | TFX | Fergus | 31 min |
| May 16, 12:42 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 48 min |
| May 16, 12:44 PM MDT | Special Weather Statement | TFX | Fergus | 31 min |
| May 16, 1:46 PM MDT | Special Weather Statement | MSO | Missoula | 29 min |
| May 16, 1:50 PM MDT | Special Weather Statement | MSO | Lake | 25 min |
| May 16, 2:16 PM MDT | Special Weather Statement | MSO | Ravalli | 44 min |
| May 16, 2:39 PM MDT | Special Weather Statement | TFX | Fergus | 36 min |
| May 16, 2:48 PM MDT | Special Weather Statement | TFX | Hill | 27 min |
| May 16, 3:13 PM MDT | Special Weather Statement | TFX | Blaine | 32 min |
| May 16, 3:29 PM MDT | Special Weather Statement | MSO | Mineral | 46 min |
| May 16, 3:31 PM MDT | Special Weather Statement | MSO | Lincoln | 29 min |
| May 16, 3:55 PM MDT | Special Weather Statement | MSO | Mineral | 35 min |
| May 16, 4:19 PM MDT | Special Weather Statement | MSO | Missoula | 41 min |
| May 16, 4:20 PM MDT | Special Weather Statement | BYZ | Carter | 40 min |
| May 16, 5:15 PM MDT | Special Weather Statement | TFX | Pondera | 30 min |
| May 16, 5:26 PM MDT | Special Weather Statement | BYZ | Golden Valley | 34 min |
| May 16, 5:26 PM MDT | Special Weather Statement | MSO | Sanders | 49 min |
| May 16, 5:49 PM MDT | Special Weather Statement | TFX | Fergus | 26 min |
| May 16, 5:50 PM MDT | Special Weather Statement | BYZ | Carter | 40 min |
| May 16, 5:57 PM MDT | Special Weather Statement | TFX | Teton | 33 min |
| May 16, 6:12 PM MDT | Special Weather Statement | TFX | 48 min | |
| May 16, 6:27 PM MDT | Special Weather Statement | BYZ | Carter | 48 min |
| May 16, 7:06 PM MDT | Special Weather Statement | TFX | 24 min | |
| May 16, 7:10 PM MDT | Special Weather Statement | BYZ | Fallon | 65 min |
| May 16, 7:14 PM MDT | Special Weather Statement | MSO | Lincoln | 46 min |
| May 16, 7:41 PM MDT | Special Weather Statement | MSO | Lincoln | 64 min |
| May 16, 8:05 PM MDT | Special Weather Statement | BYZ | Big Horn | 40 min |
| May 16, 8:42 PM MDT | Special Weather Statement | BYZ | Big Horn | 48 min |
| May 16, 9:32 PM MDT | Special Weather Statement | GGW | Richland | 43 min |
| May 16, 10:21 PM MDT | Special Weather Statement | GGW | Valley | 39 min |
| May 16, 10:40 PM MDT | Special Weather Statement | BYZ | 50 min | |
| May 16, 10:59 PM MDT | Special Weather Statement | BYZ | Rosebud | 46 min |
| May 17, 1:37 PM MDT | Special Weather Statement | MSO | Silver Bow | 23 min |
| May 17, 2:11 PM MDT | Special Weather Statement | BYZ | Fallon | 34 min |
| May 17, 2:14 PM MDT | Special Weather Statement | TFX | Blaine | 46 min |
| May 17, 2:16 PM MDT | Special Weather Statement | TFX | Fergus | 29 min |
| May 17, 2:18 PM MDT | Special Weather Statement | TFX | Blaine | 27 min |
| May 17, 2:36 PM MDT | Special Weather Statement | TFX | Fergus | 39 min |
| May 17, 3:00 PM MDT | Special Weather Statement | TFX | Musselshell | 30 min |
| May 17, 3:32 PM MDT | Special Weather Statement | BYZ | Fallon | 43 min |
| May 17, 3:34 PM MDT | Special Weather Statement | BYZ | Stillwater | 26 min |
| May 17, 4:01 PM MDT | Special Weather Statement | BYZ | Musselshell | 29 min |
| May 17, 4:05 PM MDT | Special Weather Statement | BYZ | Yellowstone | 40 min |
| May 17, 5:18 PM MDT | Special Weather Statement | BYZ | Powder River | 27 min |
| May 17, 5:32 PM MDT | Special Weather Statement | BYZ | Treasure | 43 min |
| May 17, 5:36 PM MDT | Special Weather Statement | BYZ | Powder River | 24 min |
| May 17, 5:51 PM MDT | Special Weather Statement | BYZ | Musselshell | 39 min |
| May 17, 6:08 PM MDT | Special Weather Statement | BYZ | Powder River | 37 min |
| May 17, 6:15 PM MDT | Special Weather Statement | BYZ | Rosebud, Treasure | 45 min |
| May 17, 6:49 PM MDT | Special Weather Statement | BYZ | Powder River | 26 min |
| May 17, 8:39 PM MDT | Special Weather Statement | BYZ | Powder River | 51 min |
| May 20, 2:47 PM MDT | Special Weather Statement | MSO | Granite | 43 min |
| May 21, 3:17 PM MDT | Special Weather Statement | RIW | Carbon | 28 min |
| May 21, 3:19 PM MDT | Special Weather Statement | TFX | Hill | 11 min |
| May 21, 3:28 PM MDT | Special Weather Statement | TFX | Gallatin | 32 min |
| May 21, 4:34 PM MDT | Special Weather Statement | TFX | Meagher | 26 min |
| May 21, 4:57 PM MDT | Special Weather Statement | BYZ | Stillwater | 33 min |
| May 21, 5:28 PM MDT | Special Weather Statement | BYZ | Stillwater | 47 min |
| May 21, 5:30 PM MDT | Special Weather Statement | BYZ | Golden Valley | 45 min |
| May 21, 5:56 PM MDT | Special Weather Statement | GGW | Garfield | 64 min |
| May 21, 6:07 PM MDT | Special Weather Statement | TFX | Gallatin | 23 min |
| May 21, 6:49 PM MDT | Special Weather Statement | BYZ | Musselshell | 41 min |
| May 21, 8:11 PM MDT | Special Weather Statement | BYZ | Musselshell | 49 min |
| May 21, 9:27 PM MDT | Special Weather Statement | BYZ | Treasure | 63 min |
| May 22, 11:56 AM MDT | Special Weather Statement | TFX | Meagher | 34 min |
| May 22, 3:30 PM MDT | Special Weather Statement | MSO | Ravalli | 30 min |
| May 22, 3:31 PM MDT | Special Weather Statement | GGW | Valley | 44 min |
| May 22, 3:51 PM MDT | Special Weather Statement | MSO | Ravalli | 24 min |
| May 22, 4:14 PM MDT | Special Weather Statement | GGW | Valley | 46 min |
| May 22, 4:26 PM MDT | Special Weather Statement | GGW | 49 min | |
| May 22, 4:56 PM MDT | Special Weather Statement | GGW | Valley | 49 min |
| May 22, 5:05 PM MDT | Special Weather Statement | GGW | 40 min | |
| May 22, 5:33 PM MDT | Special Weather Statement | BYZ | Carter | 42 min |
| May 22, 5:52 PM MDT | Special Weather Statement | GGW | 38 min | |
| May 22, 6:07 PM MDT | Special Weather Statement | BYZ | Yellowstone | 38 min |
| May 22, 6:28 PM MDT | Special Weather Statement | GGW | Petroleum | 47 min |
| May 23, 7:58 AM MDT | Special Weather Statement | GGW | Richland | 47 min |
| May 23, 9:44 AM MDT | Special Weather Statement | GGW | Roosevelt | 46 min |
| May 23, 12:12 PM MDT | Special Weather Statement | GGW | Sheridan | 48 min |
| May 23, 1:25 PM MDT | Special Weather Statement | BYZ | Yellowstone | 50 min |
| May 23, 2:52 PM MDT | Special Weather Statement | BYZ | Rosebud | 38 min |
| May 23, 3:31 PM MDT | Special Weather Statement | BYZ | Yellowstone | 44 min |
| May 23, 3:35 PM MDT | Special Weather Statement | BYZ | Rosebud | 40 min |
| May 23, 3:58 PM MDT | Special Weather Statement | BYZ | Yellowstone | 47 min |
| May 23, 4:02 PM MDT | Special Weather Statement | GGW | McCone | 43 min |
| May 23, 4:11 PM MDT | Special Weather Statement | GGW | Garfield | 49 min |
| May 23, 4:29 PM MDT | Special Weather Statement | MSO | Ravalli | 31 min |
| May 23, 4:52 PM MDT | Special Weather Statement | BYZ | Custer | 38 min |
| May 23, 4:57 PM MDT | Special Weather Statement | GGW | Garfield | 48 min |
| May 23, 5:06 PM MDT | Special Weather Statement | BYZ | Powder River | 39 min |
| May 23, 5:31 PM MDT | Special Weather Statement | BYZ | Treasure | 44 min |
| May 23, 5:54 PM MDT | Special Weather Statement | BYZ | Carter | 51 min |
| May 23, 6:21 PM MDT | Special Weather Statement | MSO | 24 min | |
| May 23, 6:58 PM MDT | Special Weather Statement | BYZ | Fallon | 62 min |
| May 25, 3:50 PM MDT | Special Weather Statement | MSO | 40 min | |
| May 25, 4:19 PM MDT | Special Weather Statement | MSO | 41 min | |
| May 25, 4:23 PM MDT | Special Weather Statement | MSO | 37 min | |
| May 25, 5:49 PM MDT | Special Weather Statement | TFX | Jefferson | 26 min |
| May 25, 6:16 PM MDT | Special Weather Statement | MSO | Powell | 44 min |
| May 25, 8:22 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 38 min |
| May 25, 10:08 PM MDT | Special Weather Statement | TFX | Cascade | 37 min |
| May 26, 10:50 AM MDT | Special Weather Statement | GGW | 55 min | |
| May 26, 11:35 AM MDT | Special Weather Statement | GGW | 55 min | |
| May 26, 12:09 PM MDT | Special Weather Statement | GGW | 51 min | |
| May 26, 2:12 PM MDT | Special Weather Statement | TFX | Jefferson | 48 min |
| May 26, 2:58 PM MDT | Special Weather Statement | TFX | Judith Basin | 47 min |
| May 26, 3:17 PM MDT | Special Weather Statement | TFX | Broadwater | 43 min |
| May 26, 3:22 PM MDT | Special Weather Statement | MSO | Deer Lodge | 23 min |
| May 26, 3:44 PM MDT | Special Weather Statement | MSO | 31 min | |
| May 26, 3:44 PM MDT | Special Weather Statement | TFX | Beaverhead | 46 min |
| May 26, 4:09 PM MDT | Special Weather Statement | TFX | Judith Basin | 51 min |
| May 26, 4:27 PM MDT | Special Weather Statement | TFX | 48 min | |
| May 26, 4:43 PM MDT | Special Weather Statement | TFX | Judith Basin | 47 min |
| May 26, 4:56 PM MDT | Special Weather Statement | TFX | Deer Lodge | 49 min |
| May 26, 5:15 PM MDT | Special Weather Statement | TFX | Jefferson | 45 min |
| May 26, 5:21 PM MDT | Special Weather Statement | TFX | Jefferson | 39 min |
| May 26, 5:25 PM MDT | Special Weather Statement | TFX | Deer Lodge | 20 min |
| May 26, 5:48 PM MDT | Special Weather Statement | TFX | Jefferson | 42 min |
| May 26, 6:09 PM MDT | Special Weather Statement | BYZ | Sweet Grass | 51 min |
| May 26, 6:14 PM MDT | Special Weather Statement | TFX | Jefferson | 31 min |
| May 26, 6:32 PM MDT | Special Weather Statement | BYZ | Yellowstone | 28 min |
| May 26, 6:34 PM MDT | Special Weather Statement | GGW | 41 min | |
| May 26, 6:36 PM MDT | Special Weather Statement | GGW | McCone | 39 min |
| May 26, 6:46 PM MDT | Special Weather Statement | TFX | Wheatland | 44 min |
| May 26, 7:00 PM MDT | Special Weather Statement | BYZ | Golden Valley | 30 min |
| May 26, 7:45 PM MDT | Special Weather Statement | GGW | McCone | 60 min |
| May 26, 8:16 PM MDT | Special Weather Statement | BYZ | Sweet Grass | 44 min |
| May 26, 8:18 PM MDT | Special Weather Statement | GGW | McCone | 42 min |
| May 26, 8:53 PM MDT | Special Weather Statement | GGW | McCone | 67 min |
| May 26, 8:57 PM MDT | Special Weather Statement | BYZ | Stillwater | 63 min |
| May 26, 9:18 PM MDT | Special Weather Statement | BYZ | Garfield | 27 min |
| May 26, 9:23 PM MDT | Special Weather Statement | GGW | Garfield | 52 min |
| May 26, 9:29 PM MDT | Special Weather Statement | GGW | Sheridan | 46 min |
| May 26, 9:33 PM MDT | Special Weather Statement | GGW | Valley | 57 min |
| May 26, 10:05 PM MDT | Special Weather Statement | BYZ | Stillwater | 25 min |
| May 26, 10:15 PM MDT | Special Weather Statement | GGW | McCone | 45 min |
| May 26, 10:34 PM MDT | Special Weather Statement | GGW | Richland | 56 min |
| May 26, 10:44 PM MDT | Special Weather Statement | GGW | Dawson | 61 min |
| May 26, 11:44 PM MDT | Special Weather Statement | BYZ | Big Horn | 31 min |
| May 26, 11:54 PM MDT | Special Weather Statement | GGW | Wibaux | 66 min |
| May 27, 12:24 AM MDT | Special Weather Statement | BYZ | 36 min | |
| May 27, 12:39 AM MDT | Special Weather Statement | BYZ | Custer | 36 min |
| May 27, 1:06 AM MDT | Special Weather Statement | GGW | Wibaux | 54 min |
| May 27, 1:15 AM MDT | Special Weather Statement | BYZ | Powder River | 30 min |
| May 27, 1:25 AM MDT | Special Weather Statement | BYZ | Fallon | 35 min |
| May 27, 2:26 AM MDT | Special Weather Statement | BYZ | Fallon | 34 min |
| May 27, 3:05 AM MDT | Special Weather Statement | BYZ | Fallon | 25 min |
| May 27, 2:07 PM MDT | Special Weather Statement | TFX | Judith Basin, Meagher | 3 hr |
| May 27, 5:46 PM MDT | Special Weather Statement | BYZ | Stillwater | 44 min |
| May 27, 7:31 PM MDT | Special Weather Statement | BYZ | Carbon | 44 min |
| May 27, 11:27 PM MDT | Special Weather Statement | BYZ | Big Horn | 78 min |
| May 28, 12:19 PM MDT | Special Weather Statement | BYZ | Yellowstone | 26 min |
| May 28, 1:45 PM MDT | Special Weather Statement | BYZ | Carbon | 45 min |
| May 28, 2:53 PM MDT | Special Weather Statement | TFX | Meagher | 22 min |
| May 28, 4:54 PM MDT | Special Weather Statement | TFX | Gallatin | 36 min |
| May 29, 1:58 AM MDT | Special Weather Statement | BYZ | Fallon | 62 min |
| May 29, 3:06 PM MDT | Special Weather Statement | BYZ | Custer | 39 min |
| May 29, 3:48 PM MDT | Special Weather Statement | BYZ | Rosebud | 27 min |
| May 29, 4:01 PM MDT | Special Weather Statement | GGW | Valley | 44 min |
| May 29, 4:52 PM MDT | Special Weather Statement | BYZ | Custer | 38 min |
| May 30, 4:43 AM MDT | Special Weather Statement | TFX | Pondera | 47 min |
| May 30, 1:34 PM MDT | Special Weather Statement | GGW | Valley | 41 min |
| May 30, 1:57 PM MDT | Special Weather Statement | TFX | Beaverhead | 33 min |
| May 30, 2:19 PM MDT | Special Weather Statement | GGW | Valley | 56 min |
| May 30, 2:34 PM MDT | Special Weather Statement | TFX | Jefferson | 26 min |
| May 30, 2:39 PM MDT | Special Weather Statement | GGW | Valley | 66 min |
| May 30, 2:57 PM MDT | Special Weather Statement | BYZ | Golden Valley | 48 min |
| May 30, 2:59 PM MDT | Special Weather Statement | TFX | Broadwater | 31 min |
| May 30, 3:03 PM MDT | Special Weather Statement | TFX | Jefferson | 27 min |
| May 30, 3:33 PM MDT | Special Weather Statement | TFX | Broadwater | 27 min |
| May 30, 3:37 PM MDT | Special Weather Statement | GGW | Petroleum | 68 min |
| May 30, 3:39 PM MDT | Special Weather Statement | TFX | Broadwater, Jefferson | 36 min |
| May 30, 3:44 PM MDT | Special Weather Statement | BYZ | Wheatland | 46 min |
| May 30, 3:48 PM MDT | Special Weather Statement | GGW | Valley | 57 min |
| May 30, 4:22 PM MDT | Special Weather Statement | TFX | Broadwater, Meagher | 23 min |
| May 30, 4:46 PM MDT | Special Weather Statement | TFX | Fergus | 44 min |
| May 30, 4:49 PM MDT | Special Weather Statement | BYZ | Wheatland | 41 min |
| May 30, 4:50 PM MDT | Special Weather Statement | TFX | Wheatland | 40 min |
| May 30, 5:03 PM MDT | Special Weather Statement | TFX | Fergus | 42 min |
| May 30, 5:17 PM MDT | Special Weather Statement | MSO | Deer Lodge | 28 min |
| May 30, 5:29 PM MDT | Special Weather Statement | BYZ | Wheatland | 46 min |
| May 30, 5:45 PM MDT | Special Weather Statement | TFX | Cascade | 30 min |
| May 30, 5:48 PM MDT | Special Weather Statement | TFX | Fergus | 42 min |
| May 30, 5:55 PM MDT | Special Weather Statement | TFX | Madison | 35 min |
| May 30, 6:25 PM MDT | Special Weather Statement | TFX | Cascade | 35 min |
| May 30, 7:39 PM MDT | Special Weather Statement | GGW | Petroleum | 66 min |
| May 30, 8:08 PM MDT | Special Weather Statement | BYZ | Treasure | 52 min |
| May 30, 9:15 PM MDT | Special Weather Statement | GGW | Valley | 60 min |
| May 30, 10:06 PM MDT | Special Weather Statement | GGW | Garfield | 54 min |
| May 30, 10:35 PM MDT | Special Weather Statement | GGW | Richland | 40 min |
| May 30, 10:38 PM MDT | Special Weather Statement | MSO | Ravalli | 22 min |
| May 30, 10:44 PM MDT | Special Weather Statement | TFX | Ravalli | 31 min |
| May 30, 11:00 PM MDT | Special Weather Statement | GGW | Roosevelt | 60 min |
| May 30, 11:14 PM MDT | Special Weather Statement | TFX | Deer Lodge | 31 min |
| May 31, 12:53 AM MDT | Special Weather Statement | GGW | Richland | 52 min |
| May 31, 11:12 AM MDT | Special Weather Statement | MSO | Ravalli | 33 min |
| May 31, 12:34 PM MDT | Special Weather Statement | MSO | Ravalli | 41 min |
| May 31, 1:58 PM MDT | Special Weather Statement | TFX | Gallatin | 47 min |
| May 31, 2:18 PM MDT | Special Weather Statement | TFX | Fergus | 42 min |
| May 31, 2:32 PM MDT | Special Weather Statement | BYZ | Sweet Grass | 43 min |
| May 31, 2:58 PM MDT | Special Weather Statement | BYZ | Golden Valley | 47 min |
| May 31, 3:05 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 25 min |
| May 31, 3:26 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 34 min |
| May 31, 3:40 PM MDT | Special Weather Statement | BYZ | Carter | 35 min |
| May 31, 3:42 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 33 min |
| May 31, 4:07 PM MDT | Special Weather Statement | BYZ | Park | 38 min |
| May 31, 4:09 PM MDT | Special Weather Statement | BYZ | Carbon | 51 min |
| May 31, 4:11 PM MDT | Special Weather Statement | TFX | Chouteau | 34 min |
| May 31, 4:14 PM MDT | Special Weather Statement | BYZ | Sweet Grass | 46 min |
| May 31, 4:14 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 31 min |
| May 31, 4:58 PM MDT | Special Weather Statement | BYZ | Stillwater | 47 min |
| May 31, 5:39 PM MDT | Special Weather Statement | BYZ | Big Horn | 51 min |
| May 31, 5:57 PM MDT | Special Weather Statement | TFX | 48 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Valley County13
- Jefferson County12
- Fergus County11
- Fallon County11
- Yellowstone County10
- Carter County10
- Judith Basin County9
- Ravalli County9
- McCone County8
- Custer County8
- Garfield County8
- Stillwater County8
- Broadwater County7
- Big Horn County7
- Treasure County7
- Powder River County7
- Deer Lodge County6
- Gallatin County6
- Meagher County6
- Rosebud County6
- Lewis and Clark County6
- Cascade County5
- Carbon County5
- Sweet Grass County5
- Golden Valley County5
- Richland County5
- Musselshell County5
- Wheatland County5
- Blaine County4
- Beaverhead County4
- Lincoln County4
- Prairie County4
- Wibaux County4
- Granite County3
- Park County3
- Missoula County3
- Mineral County3
- Sheridan County3
- Roosevelt County3
- Petroleum County3
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.