Weather alerts in Montana, 2004
413 weather alerts in 2004, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in 2004. Tap one for its archive.
- Alerts
- 413
- Warnings
- 317
- Watches
- 22
- Advisories
- 0
- Busiest month
- July157 alerts
- Busiest day
- August 5, 200429 alerts
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 |
|---|---|---|---|---|
| Feb 10, 10:38 AM MST | Mesoscale Discussion | SPC | Custer, Daniels, Dawson, Fallon, McCone, Prairie and 5 more | 4 hr |
| Mar 24, 4:04 PM MST | Severe Thunderstorm Warning | TFX | Cascade, Chouteau | 71 min |
| Mar 26, 1:56 PM MST | Mesoscale Discussion | SPC | Carter, Custer, Fallon, Powder River, Rosebud | 3 hr |
| Mar 26, 2:10 PM MST | Severe Thunderstorm Watch | SPC | Carter | 6 hr |
| Mar 26, 5:37 PM MST | Mesoscale Discussion | SPC | Carter, Fallon | 53 min |
| Mar 26, 5:42 PM MST | Severe Thunderstorm Warning | BYZ | Fallon | 33 min |
| Mar 26, 5:55 PM MST | Severe Thunderstorm Warning | BYZ | Carter | 65 min |
| Mar 26, 5:55 PM MST | Severe Thunderstorm Warning | GGW | Wibaux | 50 min |
| Mar 26, 6:05 PM MST | Severe Thunderstorm Warning | GGW | McCone | 55 min |
| Mar 26, 6:14 PM MST | Severe Thunderstorm Warning | BYZ | Carter | 31 min |
| Mar 26, 6:32 PM MST | Severe Thunderstorm Warning | BYZ | Fallon | 58 min |
| Mar 26, 6:35 PM MST | Severe Thunderstorm Watch | SPC | Fallon, Richland, Wibaux | 5 hr |
| Mar 26, 7:05 PM MST | Severe Thunderstorm Warning | GGW | McCone, Richland | 55 min |
| Mar 26, 7:38 PM MST | Severe Thunderstorm Warning | GGW | Roosevelt | 67 min |
| Mar 26, 7:54 PM MST | Severe Thunderstorm Warning | GGW | Richland | 66 min |
| Mar 26, 8:35 PM MST | Mesoscale Discussion | SPC | Wibaux | 55 min |
| May 8, 11:44 AM MDT | Mesoscale Discussion | SPC | Carter, Custer, Daniels, Dawson, Fallon, Garfield and 8 more | 3 hr |
| May 8, 1:35 PM MDT | Severe Thunderstorm Watch | SPC | Carter, Daniels, Dawson, Fallon, McCone, Prairie and 5 more | 5 hr |
| May 8, 1:55 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 50 min |
| May 8, 2:17 PM MDT | Mesoscale Discussion | SPC | Daniels, Dawson, McCone, Richland, Roosevelt, Sheridan and 1 more | 58 min |
| May 8, 4:11 PM MDT | Mesoscale Discussion | SPC | Carter, Daniels, Fallon, Richland, Roosevelt, Sheridan and 1 more | 64 min |
| May 10, 4:43 PM MDT | Mesoscale Discussion | SPC | Big Horn, Powder River, Yellowstone | 2 hr |
| May 10, 7:06 PM MDT | Mesoscale Discussion | SPC | Powder River | 114 min |
| May 10, 9:19 PM MDT | Mesoscale Discussion | SPC | Carter, Fallon, Powder River | 116 min |
| May 10, 9:53 PM MDT | Mesoscale Discussion | SPC | Dawson, Garfield, McCone, Richland, Roosevelt | 2 hr |
| May 10, 10:12 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 63 min |
| May 10, 10:27 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 63 min |
| May 18, 12:43 PM MDT | Mesoscale Discussion | SPC | Beaverhead, Gallatin, Madison, Park | 2 hr |
| May 20, 12:09 PM MDT | Mesoscale Discussion | SPC | Blaine, Daniels, Hill, McCone, Phillips, Richland and 3 more | 2 hr |
| May 20, 2:25 PM MDT | Flash Flood Warning | MSO | Flathead | 65 min |
| May 20, 2:31 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 29 min |
| May 21, 1:22 PM MDT | Mesoscale Discussion | SPC | Carter, Powder River | 113 min |
| May 21, 2:05 PM MDT | Severe Thunderstorm Watch | SPC | Carter | 5 hr |
| May 21, 3:30 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 60 min |
| May 21, 6:07 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 23 min |
| May 21, 6:41 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 64 min |
| May 22, 3:49 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon | 56 min |
| May 22, 5:03 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 27 min |
| May 22, 5:34 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater, Yellowstone | 56 min |
| May 23, 2:09 PM MDT | Mesoscale Discussion | SPC | Carter, Custer, Powder River, Rosebud | 2 hr |
| May 23, 3:00 PM MDT | Tornado Watch | SPC | Carter, Powder River | 5 hr |
| May 23, 4:29 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 61 min |
| May 23, 5:50 PM MDT | Mesoscale Discussion | SPC | Carter, Powder River | 85 min |
| May 27, 1:14 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 31 min |
| May 27, 1:31 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 59 min |
| May 27, 2:18 PM MDT | Mesoscale Discussion | SPC | Daniels, Richland, Roosevelt, Sheridan, Wibaux | 117 min |
| May 27, 8:00 PM MDT | Flash Flood Warning | MSO | Missoula | 90 min |
| May 28, 7:23 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Wibaux | 52 min |
| May 28, 7:53 PM MDT | Flash Flood Warning | GGW | Richland, Wibaux | 3 hr |
| May 28, 8:32 PM MDT | Flash Flood Warning | GGW | Daniels | 3 hr |
| May 28, 9:26 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 64 min |
| May 28, 10:08 PM MDT | Flash Flood Warning | GGW | Valley | 6 hr |
| May 28, 11:09 PM MDT | Flash Flood Warning | GGW | Daniels | 6 hr |
| Jun 5, 1:21 PM MDT | Mesoscale Discussion | SPC | Beaverhead, Blaine, Broadwater, Cascade, Chouteau, Deer Lodge and 29 more | 114 min |
| Jun 5, 4:05 PM MDT | Severe Thunderstorm Watch | SPC | Broadwater, Cascade, Chouteau, Glacier, Hill, Jefferson and 9 more | 6 hr |
| Jun 5, 5:05 PM MDT | Severe Thunderstorm Warning | TFX | Glacier, Toole | 40 min |
| Jun 5, 5:46 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Pondera, Teton | 59 min |
| Jun 5, 5:53 PM MDT | Severe Thunderstorm Warning | TFX | Toole | 52 min |
| Jun 5, 6:25 PM MDT | Severe Thunderstorm Warning | TFX | Liberty | 50 min |
| Jun 5, 6:35 PM MDT | Mesoscale Discussion | SPC | Broadwater, Cascade, Chouteau, Glacier, Hill, Jefferson and 9 more | 115 min |
| Jun 5, 6:44 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Judith Basin | 61 min |
| Jun 5, 7:13 PM MDT | Severe Thunderstorm Warning | TFX | Hill, Liberty | 47 min |
| Jun 5, 7:35 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 55 min |
| Jun 5, 7:43 PM MDT | Tornado Warning | TFX | Judith Basin | 32 min |
| Jun 5, 8:11 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Hill | 49 min |
| Jun 5, 8:14 PM MDT | Tornado Warning | TFX | Judith Basin | 31 min |
| Jun 5, 8:24 PM MDT | Tornado Warning | TFX | Fergus | 36 min |
| Jun 5, 8:58 PM MDT | Tornado Warning | TFX | Fergus | 32 min |
| Jun 5, 9:10 PM MDT | Mesoscale Discussion | SPC | Blaine, Broadwater, Cascade, Chouteau, Deer Lodge, Fergus and 19 more | 95 min |
| Jun 5, 9:27 PM MDT | Tornado Warning | TFX | Fergus | 33 min |
| Jun 6, 3:48 AM MDT | Severe Thunderstorm Warning | TFX | Cascade, Lewis and Clark, Teton | 27 min |
| Jun 6, 4:09 AM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Hill | 21 min |
| Jun 6, 4:17 AM MDT | Severe Thunderstorm Warning | TFX | Cascade | 28 min |
| Jun 6, 4:40 AM MDT | Mesoscale Discussion | SPC | Chouteau, Fergus, Judith Basin, Meagher, Petroleum, Wheatland | 95 min |
| Jun 6, 4:54 AM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Judith Basin | 36 min |
| Jun 9, 2:13 PM MDT | Mesoscale Discussion | SPC | Beaverhead, Gallatin, Madison | 92 min |
| Jun 9, 2:40 PM MDT | Severe Thunderstorm Watch | SPC | Beaverhead, Broadwater, Deer Lodge, Gallatin, Granite, Jefferson and 4 more | 6 hr |
| Jun 9, 4:00 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 45 min |
| Jun 9, 4:29 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 46 min |
| Jun 9, 4:35 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 40 min |
| Jun 9, 5:04 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 11 min |
| Jun 9, 5:14 PM MDT | Severe Thunderstorm Warning | MSO | Lake | 46 min |
| Jun 9, 5:20 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 40 min |
| Jun 9, 5:59 PM MDT | Mesoscale Discussion | SPC | Beaverhead, Broadwater, Deer Lodge, Gallatin, Granite, Jefferson and 4 more | 91 min |
| Jun 10, 1:00 PM MDT | Tornado Watch | SPC | Carter | 7 hr |
| Jun 10, 3:30 PM MDT | Tornado Warning | BYZ | Big Horn | 24 hr |
| Jun 10, 3:34 PM MDT | Tornado Warning | BYZ | Big Horn | 26 min |
| Jun 10, 3:45 PM MDT | Mesoscale Discussion | SPC | Big Horn, Custer, Powder River, Prairie, Rosebud, Treasure | 90 min |
| Jun 10, 3:59 PM MDT | Mesoscale Discussion | SPC | Carter | 91 min |
| Jun 10, 4:05 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 55 min |
| Jun 10, 4:11 PM MDT | Tornado Warning | BYZ | Big Horn | 34 min |
| Jun 10, 4:40 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 65 min |
| Jun 10, 5:11 PM MDT | Tornado Warning | BYZ | Big Horn | 49 min |
| Jun 10, 5:28 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon | 62 min |
| Jun 10, 5:48 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 87 min |
| Jun 10, 7:14 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 61 min |
| Jun 18, 4:05 PM MDT | Mesoscale Discussion | SPC | Beaverhead, Deer Lodge, Granite, Madison, Mineral, Missoula and 3 more | 115 min |
| Jun 22, 1:52 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 23 min |
| Jun 22, 2:52 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Sweet Grass | 33 min |
| Jun 22, 3:09 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 66 min |
| Jun 22, 3:19 PM MDT | Tornado Warning | BYZ | Stillwater | 26 min |
| Jun 22, 3:43 PM MDT | Tornado Warning | BYZ | Stillwater | 32 min |
| Jun 22, 4:11 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass | 49 min |
| Jun 22, 4:15 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon, Stillwater | 60 min |
| Jun 22, 5:13 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon | 62 min |
| Jun 23, 1:31 PM MDT | Mesoscale Discussion | SPC | Big Horn, Broadwater, Carbon, Cascade, Chouteau, Fergus and 27 more | 89 min |
| Jun 23, 3:45 PM MDT | Mesoscale Discussion | SPC | Big Horn, Broadwater, Carbon, Cascade, Flathead, Glacier and 14 more | 2 hr |
| Jun 23, 4:10 PM MDT | Severe Thunderstorm Warning | TFX | Glacier | 50 min |
| Jun 23, 4:28 PM MDT | Severe Thunderstorm Warning | TFX | Meagher | 32 min |
| Jun 23, 4:57 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 33 min |
| Jun 23, 5:51 PM MDT | Severe Thunderstorm Warning | TFX | Glacier | 54 min |
| Jun 23, 6:38 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 37 min |
| Jun 23, 7:37 PM MDT | Severe Thunderstorm Warning | TFX | Teton | 38 min |
| Jun 23, 7:43 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 32 min |
| Jun 23, 8:17 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Meagher | 28 min |
| Jun 24, 3:21 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead | 39 min |
| Jun 25, 3:30 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 30 min |
| Jun 25, 3:32 PM MDT | Flash Flood Warning | TFX | 118 min | |
| Jun 25, 3:45 PM MDT | Flash Flood Warning | TFX | Lewis and Clark | 105 min |
| Jun 25, 4:05 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 25 min |
| Jun 25, 8:10 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 50 min |
| Jun 26, 4:05 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon | 40 min |
| Jun 26, 4:14 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 31 min |
| Jun 27, 4:45 PM MDT | Flash Flood Warning | MSO | Missoula | 3 hr |
| Jun 28, 4:43 PM MDT | Severe Thunderstorm Warning | TFX | Jefferson | 47 min |
| Jun 29, 6:15 PM MDT | Flash Flood Warning | TFX | Lewis and Clark | 105 min |
| Jun 30, 3:58 PM MDT | Flash Flood Warning | BYZ | Custer | 2 hr |
| Jul 1, 4:30 AM MDT | Flash Flood Warning | MSO | Flathead | 60 min |
| Jul 1, 3:50 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 40 min |
| Jul 1, 4:32 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Hill | 58 min |
| Jul 1, 5:07 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 53 min |
| Jul 1, 5:56 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 64 min |
| Jul 1, 6:25 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 65 min |
| Jul 1, 7:05 PM MDT | Flash Flood Warning | BYZ | Big Horn, Carbon | 115 min |
| Jul 1, 7:26 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 49 min |
| Jul 2, 2:28 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 62 min |
| Jul 3, 2:38 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 52 min |
| Jul 3, 3:36 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 54 min |
| Jul 3, 4:40 PM MDT | Mesoscale Discussion | SPC | Phillips, Valley | 65 min |
| Jul 3, 5:11 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 64 min |
| Jul 3, 5:46 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 59 min |
| Jul 4, 2:11 PM MDT | Severe Thunderstorm Warning | MSO | Lake, Sanders | 34 min |
| Jul 4, 2:40 PM MDT | Severe Thunderstorm Warning | MSO | Lake, Sanders | 35 min |
| Jul 4, 3:47 PM MDT | Flash Flood Warning | BYZ | Carter | 118 min |
| Jul 4, 3:49 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 56 min |
| Jul 4, 5:35 PM MDT | Flash Flood Warning | BYZ | Rosebud | 2 hr |
| Jul 4, 6:37 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 53 min |
| Jul 4, 7:11 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 64 min |
| Jul 4, 7:16 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin | 29 min |
| Jul 5, 12:19 AM MDT | Flash Flood Warning | BYZ | Yellowstone | 6 hr |
| Jul 7, 12:14 PM MDT | Mesoscale Discussion | SPC | Big Horn, Custer, Daniels, Dawson, Garfield, McCone and 10 more | 91 min |
| Jul 7, 5:15 PM MDT | Severe Thunderstorm Watch | SPC | Carter, Custer, Dawson, Fallon, McCone, Powder River and 3 more | 6 hr |
| Jul 7, 6:40 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 35 min |
| Jul 7, 6:59 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 61 min |
| Jul 7, 7:06 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Fallon | 54 min |
| Jul 7, 7:13 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt | 62 min |
| Jul 7, 7:14 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 61 min |
| Jul 7, 7:20 PM MDT | Mesoscale Discussion | SPC | Carter, Custer, Dawson, Fallon, McCone, Powder River and 5 more | 85 min |
| Jul 7, 7:31 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 44 min |
| Jul 7, 7:35 PM MDT | Flash Flood Warning | GGW | Roosevelt | 6 hr |
| Jul 7, 7:54 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 66 min |
| Jul 7, 8:02 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 43 min |
| Jul 7, 8:12 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 48 min |
| Jul 7, 8:12 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 63 min |
| Jul 10, 1:24 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 66 min |
| Jul 10, 1:34 PM MDT | Mesoscale Discussion | SPC | Beaverhead, Broadwater, Cascade, Chouteau, Deer Lodge, Gallatin and 20 more | 86 min |
| Jul 10, 2:10 PM MDT | Severe Thunderstorm Watch | SPC | Beaverhead, Broadwater, Cascade, Deer Lodge, Fergus, Gallatin and 8 more | 6 hr |
| Jul 10, 2:39 PM MDT | Mesoscale Discussion | SPC | Carter, Custer, Fallon | 2 hr |
| Jul 10, 2:56 PM MDT | Mesoscale Discussion | SPC | Carter, Custer, Fallon | 2 hr |
| Jul 10, 4:37 PM MDT | Mesoscale Discussion | SPC | Blaine, Cascade, Chouteau, Fergus, Garfield, Golden Valley and 8 more | 113 min |
| Jul 10, 5:03 PM MDT | Severe Thunderstorm Warning | MSO | Powell | 42 min |
| Jul 10, 5:30 PM MDT | Severe Thunderstorm Watch | SPC | Custer, Dawson, Fallon, Garfield, McCone, Prairie and 4 more | 7 hr |
| Jul 10, 5:55 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Fallon | 65 min |
| Jul 10, 5:58 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 62 min |
| Jul 10, 6:56 PM MDT | Mesoscale Discussion | SPC | Blaine, Carter, Cascade, Chouteau, Custer, Dawson and 21 more | 94 min |
| Jul 10, 7:00 PM MDT | Flash Flood Warning | BYZ | Custer, Fallon | 2 hr |
| Jul 10, 7:04 PM MDT | Severe Thunderstorm Warning | TFX | Pondera | 26 min |
| Jul 10, 7:05 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 55 min |
| Jul 10, 7:19 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 41 min |
| Jul 10, 7:22 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 53 min |
| Jul 10, 7:35 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 55 min |
| Jul 10, 7:54 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 66 min |
| Jul 10, 8:12 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 48 min |
| Jul 10, 8:26 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 64 min |
| Jul 10, 9:32 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 58 min |
| Jul 10, 9:40 PM MDT | Mesoscale Discussion | SPC | Dawson, Prairie, Wibaux | 2 hr |
| Jul 10, 10:10 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 65 min |
| Jul 10, 11:40 PM MDT | Mesoscale Discussion | SPC | Custer, Dawson, Fallon, Garfield, Prairie, Rosebud and 1 more | 35 min |
| Jul 11, 11:48 AM MDT | Mesoscale Discussion | SPC | Blaine, Carter, Custer, Daniels, Dawson, Fallon and 8 more | 117 min |
| Jul 11, 1:52 PM MDT | Mesoscale Discussion | SPC | Big Horn, Blaine, Carbon, Carter, Chouteau, Custer and 19 more | 83 min |
| Jul 11, 2:40 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Carter, Custer, Daniels, Dawson, Fallon and 12 more | 6 hr |
| Jul 11, 3:42 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 63 min |
| Jul 11, 4:40 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 50 min |
| Jul 11, 4:47 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 43 min |
| Jul 11, 4:50 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 55 min |
| Jul 11, 5:00 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 60 min |
| Jul 11, 5:02 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 58 min |
| Jul 11, 5:07 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 53 min |
| Jul 11, 5:16 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 59 min |
| Jul 11, 5:34 PM MDT | Mesoscale Discussion | SPC | Big Horn, Carter, Custer, Daniels, Dawson, Fallon and 14 more | 86 min |
| Jul 11, 5:39 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 36 min |
| Jul 11, 5:42 PM MDT | Tornado Warning | GGW | Phillips | 63 min |
| Jul 11, 6:14 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 46 min |
| Jul 11, 6:17 PM MDT | Tornado Warning | GGW | Valley | 58 min |
| Jul 11, 6:30 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 30 min |
| Jul 11, 6:59 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 31 min |
| Jul 11, 7:03 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 42 min |
| Jul 11, 7:11 PM MDT | Severe Thunderstorm Warning | BYZ | Treasure | 64 min |
| Jul 11, 7:11 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 64 min |
| Jul 11, 7:12 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Valley | 63 min |
| Jul 11, 7:12 PM MDT | Tornado Warning | GGW | Valley | 63 min |
| Jul 11, 7:13 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 47 min |
| Jul 11, 7:23 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 67 min |
| Jul 11, 7:27 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 63 min |
| Jul 11, 7:34 PM MDT | Tornado Warning | GGW | Garfield | 56 min |
| Jul 11, 7:37 PM MDT | Severe Thunderstorm Warning | GGW | Prairie, Wibaux | 53 min |
| Jul 11, 7:49 PM MDT | Tornado Warning | GGW | Daniels | 56 min |
| Jul 11, 7:50 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 55 min |
| Jul 11, 8:00 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 60 min |
| Jul 11, 8:09 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 66 min |
| Jul 11, 8:19 PM MDT | Mesoscale Discussion | SPC | Custer, Daniels, Dawson, Fallon, Garfield, McCone and 9 more | 116 min |
| Jul 11, 8:30 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 30 min |
| Jul 11, 8:40 PM MDT | Severe Thunderstorm Watch | SPC | Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 2 more | 5 hr |
| Jul 11, 8:41 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Sheridan | 64 min |
| Jul 11, 8:48 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 57 min |
| Jul 11, 8:59 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 61 min |
| Jul 11, 9:03 PM MDT | Flash Flood Warning | GGW | Richland, Roosevelt, Sheridan | 4 hr |
| Jul 11, 9:29 PM MDT | Tornado Warning | GGW | Richland | 61 min |
| Jul 11, 9:41 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 49 min |
| Jul 11, 10:34 PM MDT | Mesoscale Discussion | SPC | Richland | 116 min |
| Jul 13, 3:50 PM MDT | Mesoscale Discussion | SPC | Powder River | 115 min |
| Jul 14, 4:35 PM MDT | Severe Thunderstorm Watch | SPC | Carter, Powder River | 5 hr |
| Jul 14, 5:17 PM MDT | Mesoscale Discussion | SPC | Daniels, Dawson, Fallon, Richland, Roosevelt, Sheridan and 1 more | 58 min |
| Jul 14, 5:40 PM MDT | Severe Thunderstorm Watch | SPC | Daniels, Richland, Roosevelt, Sheridan, Wibaux | 6 hr |
| Jul 14, 5:46 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 29 min |
| Jul 14, 6:01 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 44 min |
| Jul 14, 6:05 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 10 min |
| Jul 14, 6:13 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 47 min |
| Jul 14, 6:46 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 34 min |
| Jul 14, 6:49 PM MDT | Mesoscale Discussion | SPC | Carter, Powder River | 86 min |
| Jul 14, 7:47 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 58 min |
| Jul 14, 8:10 PM MDT | Tornado Warning | GGW | Sheridan | 50 min |
| Jul 14, 8:39 PM MDT | Mesoscale Discussion | SPC | Daniels, Richland, Roosevelt, Sheridan, Wibaux | 96 min |
| Jul 14, 9:07 PM MDT | Mesoscale Discussion | SPC | Carter, Powder River | 53 min |
| Jul 14, 9:09 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 51 min |
| Jul 15, 7:15 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 45 min |
| Jul 15, 7:33 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 42 min |
| Jul 15, 11:57 PM MDT | Severe Thunderstorm Warning | TFX | Liberty | 63 min |
| Jul 16, 12:08 AM MDT | Severe Thunderstorm Warning | TFX | Hill | 52 min |
| Jul 16, 1:00 AM MDT | Severe Thunderstorm Warning | TFX | Hill | 60 min |
| Jul 16, 2:08 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 67 min |
| Jul 16, 2:50 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 55 min |
| Jul 16, 3:49 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 56 min |
| Jul 16, 4:40 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 50 min |
| Jul 16, 4:41 PM MDT | Flash Flood Warning | BYZ | Golden Valley | 109 min |
| Jul 16, 5:40 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Carbon, Custer, Dawson, Fallon, Fergus and 11 more | 5 hr |
| Jul 16, 5:58 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 62 min |
| Jul 16, 6:13 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 62 min |
| Jul 16, 6:55 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 65 min |
| Jul 16, 7:12 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 63 min |
| Jul 16, 9:05 PM MDT | Mesoscale Discussion | SPC | Big Horn, Carbon, Custer, Dawson, Fallon, Fergus and 11 more | 55 min |
| Jul 18, 3:34 PM MDT | Flash Flood Warning | RIW | 116 min | |
| Jul 19, 12:16 PM MDT | Mesoscale Discussion | SPC | Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 4 more | 2 hr |
| Jul 19, 1:53 PM MDT | Severe Thunderstorm Warning | MSO | Mineral | 52 min |
| Jul 19, 2:09 PM MDT | Severe Thunderstorm Warning | MSO | Sanders | 66 min |
| Jul 19, 2:37 PM MDT | Severe Thunderstorm Warning | MSO | Flathead, Lincoln | 38 min |
| Jul 19, 3:23 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 52 min |
| Jul 19, 4:15 PM MDT | Severe Thunderstorm Watch | SPC | Mineral, Sanders | 7 hr |
| Jul 19, 6:24 PM MDT | Mesoscale Discussion | SPC | Mineral, Sanders | 96 min |
| Jul 20, 2:28 PM MDT | Mesoscale Discussion | SPC | Carter, Fallon, Richland, Sheridan, Wibaux | 2 hr |
| Jul 26, 5:08 PM MDT | Mesoscale Discussion | SPC | Carter, Dawson, Fallon, Richland, Roosevelt, Sheridan and 1 more | 2 hr |
| Jul 27, 8:26 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 34 min |
| Jul 27, 8:27 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 33 min |
| Jul 27, 9:02 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater, Yellowstone | 43 min |
| Jul 27, 9:45 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 60 min |
| Jul 30, 6:57 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 63 min |
| Jul 30, 7:19 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 56 min |
| Jul 30, 7:20 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 55 min |
| Jul 30, 8:13 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 62 min |
| Jul 30, 8:46 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 59 min |
| Jul 30, 9:04 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 56 min |
| Jul 30, 10:55 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 65 min |
| Jul 30, 11:33 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 57 min |
| Jul 30, 11:52 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 53 min |
| Jul 31, 9:23 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 67 min |
| Aug 1, 1:33 AM MDT | Severe Thunderstorm Warning | GGW | Valley | 57 min |
| Aug 1, 2:21 AM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Roosevelt, Valley | 54 min |
| Aug 1, 2:43 AM MDT | Mesoscale Discussion | SPC | Daniels, Dawson, McCone, Richland, Roosevelt, Sheridan and 1 more | 92 min |
| Aug 2, 1:24 PM MDT | Mesoscale Discussion | SPC | Cascade, Fergus, Golden Valley, Judith Basin, Lewis and Clark, Meagher and 5 more | 2 hr |
| Aug 2, 4:36 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 24 min |
| Aug 2, 4:57 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 63 min |
| Aug 2, 7:32 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 28 min |
| Aug 2, 8:07 PM MDT | Mesoscale Discussion | SPC | Carter, Custer, Fallon, Powder River | 53 min |
| Aug 2, 11:54 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 51 min |
| Aug 3, 1:53 PM MDT | Mesoscale Discussion | SPC | Carter, Custer, Fallon, Powder River, Prairie, Wibaux | 2 hr |
| Aug 3, 2:01 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 29 min |
| Aug 3, 2:20 PM MDT | Severe Thunderstorm Warning | MSO | Lake, Missoula | 40 min |
| Aug 3, 2:34 PM MDT | Severe Thunderstorm Warning | TFX | Jefferson, Lewis and Clark | 26 min |
| Aug 3, 3:52 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon | 68 min |
| Aug 3, 4:06 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 54 min |
| Aug 3, 4:08 PM MDT | Severe Thunderstorm Warning | TFX | Jefferson | 67 min |
| Aug 3, 4:29 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 61 min |
| Aug 3, 4:39 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 66 min |
| Aug 3, 5:33 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 57 min |
| Aug 3, 5:39 PM MDT | Severe Thunderstorm Warning | MSO | Lake | 51 min |
| Aug 3, 5:41 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 49 min |
| Aug 3, 5:55 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 65 min |
| Aug 3, 6:08 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 67 min |
| Aug 3, 6:14 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 61 min |
| Aug 3, 8:02 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 58 min |
| Aug 4, 2:03 PM MDT | Mesoscale Discussion | SPC | Blaine, Broadwater, Cascade, Chouteau, Deer Lodge, Fergus and 22 more | 117 min |
| Aug 4, 3:22 PM MDT | Mesoscale Discussion | SPC | Big Horn, Carter, Custer, Fallon, Powder River, Rosebud and 1 more | 2 hr |
| Aug 4, 5:25 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead | 35 min |
| Aug 4, 6:01 PM MDT | Severe Thunderstorm Warning | TFX | Madison | 59 min |
| Aug 4, 6:04 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin | 41 min |
| Aug 4, 6:51 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass | 24 min |
| Aug 4, 6:57 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin | 63 min |
| Aug 4, 7:01 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 59 min |
| Aug 4, 8:05 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 40 min |
| Aug 4, 8:34 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 56 min |
| Aug 4, 8:37 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 53 min |
| Aug 4, 8:41 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Sweet Grass | 64 min |
| Aug 4, 9:08 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 67 min |
| Aug 4, 9:44 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 61 min |
| Aug 4, 10:10 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 65 min |
| Aug 4, 10:45 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 30 min |
| Aug 4, 11:47 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 28 min |
| Aug 5, 12:35 PM MDT | Mesoscale Discussion | SPC | Beaverhead, Broadwater, Cascade, Deer Lodge, Flathead, Gallatin and 12 more | 2 hr |
| Aug 5, 1:00 PM MDT | Severe Thunderstorm Watch | SPC | Beaverhead, Broadwater, Cascade, Chouteau, Deer Lodge, Gallatin and 17 more | 6 hr |
| Aug 5, 3:15 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 30 min |
| Aug 5, 3:30 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Carbon, Golden Valley, Musselshell, Rosebud, Stillwater and 2 more | 6 hr |
| Aug 5, 3:39 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 51 min |
| Aug 5, 4:06 PM MDT | Mesoscale Discussion | SPC | Beaverhead, Broadwater, Cascade, Chouteau, Deer Lodge, Gallatin and 16 more | 84 min |
| Aug 5, 4:10 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 50 min |
| Aug 5, 4:48 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Judith Basin | 57 min |
| Aug 5, 4:57 PM MDT | Severe Thunderstorm Warning | TFX | Meagher | 48 min |
| Aug 5, 4:59 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 31 min |
| Aug 5, 5:01 PM MDT | Severe Thunderstorm Warning | TFX | Toole | 29 min |
| Aug 5, 5:05 PM MDT | Severe Thunderstorm Watch | SPC | Blaine, Daniels, Dawson, Fergus, Garfield, McCone and 6 more | 8 hr |
| Aug 5, 5:20 PM MDT | Mesoscale Discussion | SPC | Big Horn, Carbon, Golden Valley, Musselshell, Rosebud, Stillwater and 2 more | 85 min |
| Aug 5, 5:45 PM MDT | Severe Thunderstorm Warning | TFX | Liberty, Toole | 45 min |
| Aug 5, 5:58 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 32 min |
| Aug 5, 6:47 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud, Treasure | 58 min |
| Aug 5, 7:32 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 58 min |
| Aug 5, 7:32 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 43 min |
| Aug 5, 7:55 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 65 min |
| Aug 5, 8:13 PM MDT | Severe Thunderstorm Warning | MSO | Granite | 47 min |
| Aug 5, 8:15 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 45 min |
| Aug 5, 8:15 PM MDT | Mesoscale Discussion | SPC | Blaine, Daniels, Dawson, Fergus, Garfield, McCone and 6 more | 60 min |
| Aug 5, 8:16 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 44 min |
| Aug 5, 8:41 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 64 min |
| Aug 5, 8:52 PM MDT | Flash Flood Warning | TFX | Lewis and Clark | 113 min |
| Aug 5, 9:33 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 57 min |
| Aug 5, 9:38 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 52 min |
| Aug 5, 9:40 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 65 min |
| Aug 5, 10:15 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 60 min |
| Aug 5, 10:31 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Valley | 59 min |
| Aug 5, 10:52 PM MDT | Mesoscale Discussion | SPC | Daniels, Dawson, McCone, Richland, Roosevelt, Sheridan | 113 min |
| Aug 6, 12:26 AM MDT | Severe Thunderstorm Warning | GGW | Garfield | 64 min |
| Aug 6, 1:43 PM MDT | Mesoscale Discussion | SPC | Big Horn, Carbon, Gallatin, Golden Valley, Musselshell, Park and 5 more | 2 hr |
| Aug 6, 2:30 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Carbon, Golden Valley, Musselshell, Rosebud, Stillwater and 4 more | 7 hr |
| Aug 6, 4:42 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 63 min |
| Aug 6, 4:54 PM MDT | Mesoscale Discussion | SPC | Big Horn, Carbon, Golden Valley, Musselshell, Rosebud, Stillwater and 4 more | 66 min |
| Aug 6, 5:48 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 57 min |
| Aug 6, 6:32 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Fergus | 58 min |
| Aug 6, 7:11 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 64 min |
| Aug 6, 7:22 PM MDT | Mesoscale Discussion | SPC | Big Horn, Musselshell, Rosebud, Treasure, Yellowstone | 53 min |
| Aug 6, 7:31 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Hill | 29 min |
| Aug 6, 8:00 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Hill | 30 min |
| Aug 6, 8:36 PM MDT | Mesoscale Discussion | SPC | Rosebud, Treasure | 24 min |
| Aug 6, 9:36 PM MDT | Severe Thunderstorm Warning | MSO | Sanders | 24 min |
| Aug 6, 9:48 PM MDT | Severe Thunderstorm Warning | MSO | Lake | 42 min |
| Aug 6, 11:41 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Teton | 34 min |
| Aug 7, 1:28 AM MDT | Mesoscale Discussion | SPC | Flathead, Lake, Lincoln, Mineral, Sanders | 92 min |
| Aug 7, 2:01 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 59 min |
| Aug 16, 8:53 PM MDT | Severe Thunderstorm Warning | TFX | Glacier | 67 min |
| Aug 17, 5:49 PM MDT | Severe Thunderstorm Warning | MSO | Mineral | 41 min |
| Aug 17, 8:51 PM MDT | Severe Thunderstorm Warning | TFX | Glacier | 69 min |
| Aug 19, 1:55 PM MDT | Severe Thunderstorm Warning | MSO | Flathead, Lake | 50 min |
| Aug 19, 3:48 PM MDT | Severe Thunderstorm Warning | MSO | Mineral | 57 min |
| Aug 19, 3:51 PM MDT | Severe Thunderstorm Warning | MSO | Sanders | 39 min |
| Aug 20, 6:36 PM MDT | Severe Thunderstorm Warning | MSO | Lake | 24 min |
| Aug 22, 1:20 PM MDT | Mesoscale Discussion | SPC | Beaverhead, Broadwater, Carbon, Cascade, Deer Lodge, Gallatin and 15 more | 85 min |
| Aug 22, 1:40 PM MDT | Severe Thunderstorm Watch | SPC | Beaverhead, Blaine, Broadwater, Cascade, Chouteau, Fergus and 17 more | 5 hr |
| Aug 22, 3:38 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 52 min |
| Aug 22, 4:29 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 46 min |
| Aug 22, 5:47 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 28 min |
| Aug 22, 5:57 PM MDT | Mesoscale Discussion | SPC | Blaine, Broadwater, Carbon, Cascade, Chouteau, Fergus and 20 more | 93 min |
| Aug 22, 6:25 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 35 min |
| Aug 23, 2:20 AM MDT | Flash Flood Warning | TFX | Lewis and Clark | 8 hr |
| Aug 23, 9:50 AM MDT | Flash Flood Warning | TFX | Lewis and Clark | 6 hr |
| Aug 23, 12:56 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 64 min |
| Aug 23, 12:59 PM MDT | Mesoscale Discussion | SPC | Dawson, Fallon, Garfield, McCone, Prairie, Richland and 3 more | 2 hr |
| Aug 23, 2:02 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 58 min |
| Aug 23, 2:41 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 64 min |
| Aug 23, 2:47 PM MDT | Tornado Warning | GGW | Garfield | 28 min |
| Aug 23, 3:36 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 39 min |
| Aug 23, 3:53 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 67 min |
| Aug 23, 4:12 PM MDT | Tornado Warning | GGW | Roosevelt | 63 min |
| Aug 31, 6:56 PM MDT | Severe Thunderstorm Warning | MSO | Powell | 34 min |
| Sep 1, 1:28 PM MDT | Mesoscale Discussion | SPC | Broadwater, Cascade, Chouteau, Deer Lodge, Flathead, Glacier and 17 more | 2 hr |
| Sep 1, 1:35 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 40 min |
| Sep 1, 2:03 PM MDT | Severe Thunderstorm Warning | TFX | Toole | 27 min |
| Sep 1, 2:08 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 37 min |
| Sep 1, 3:25 PM MDT | Severe Thunderstorm Warning | TFX | Hill, Liberty | 35 min |
| Sep 1, 4:04 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 56 min |
| Sep 1, 4:31 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 59 min |
| Sep 1, 4:37 PM MDT | Severe Thunderstorm Warning | TFX | Liberty | 38 min |
| Sep 1, 5:25 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 65 min |
| Sep 1, 6:41 PM MDT | Severe Thunderstorm Warning | TFX | Teton | 34 min |
| Sep 1, 7:10 PM MDT | Severe Thunderstorm Warning | TFX | Pondera | 65 min |
| Sep 1, 7:31 PM MDT | Severe Thunderstorm Warning | TFX | Liberty, Toole | 59 min |
| Dec 29, 11:18 PM MST | Mesoscale Discussion | SPC | Cascade, Chouteau, Custer, Dawson, Fallon, Fergus and 17 more | 4 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 273 |
| Tornado Warning | 20 |
| Severe Thunderstorm Watch | 20 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 74 |
| Flooding | |
| Flash Flood Warning | 24 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Richland County43
- Fallon County39
- Wibaux County39
- Carter County38
- Dawson County37
- Roosevelt County36
- Cascade County35
- Big Horn County34
- Fergus County34
- McCone County32
- Rosebud County31
- Lewis and Clark County31
- Garfield County30
- Custer County29
- Chouteau County29
- Yellowstone County29
- Judith Basin County29
- Powder River County28
- Sheridan County27
- Hill County27
- Valley County26
- Daniels County25
- Prairie County25
- Musselshell County25
- Wheatland County25
- Phillips County24
- Treasure County23
- Golden Valley County22
- Liberty County22
- Meagher County22
- Blaine County21
- Powell County21
- Teton County21
- Stillwater County20
- Jefferson County20
- Petroleum County20
- Pondera County20
- Toole County20
- Carbon County19
- Missoula County19
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20032005
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. Rebuilt daily.