Weather alerts in Montana, 1999
404 weather alerts in 1999, 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 1999. Tap one for its archive.
- Alerts
- 404
- Warnings
- 378
- Watches
- 26
- Advisories
- 0
- Busiest month
- June132 alerts
- Busiest day
- August 15, 199951 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 |
|---|---|---|---|---|
| Apr 9, 2:02 PM MDT | Flash Flood Warning | BYZ | Rosebud, Treasure | 2 hr |
| Apr 9, 2:42 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 63 min |
| Apr 9, 3:47 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 63 min |
| Apr 9, 3:52 PM MDT | Flash Flood Warning | GGW | Dawson, McCone | 4 hr |
| Apr 9, 6:36 PM MDT | Flash Flood Warning | GGW | Daniels, Roosevelt | 3 hr |
| Apr 28, 5:06 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon | 64 min |
| Apr 28, 5:20 PM MDT | Tornado Warning | BYZ | Carbon | 30 min |
| Apr 28, 5:55 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud, Treasure | 65 min |
| Apr 28, 6:28 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 62 min |
| Apr 28, 7:35 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 60 min |
| Apr 28, 7:39 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 61 min |
| May 13, 6:51 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 64 min |
| May 13, 7:32 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 63 min |
| May 15, 3:00 PM MDT | Severe Thunderstorm Watch | SPC | Carter | 6 hr |
| May 21, 1:30 PM MDT | Tornado Warning | BYZ | Carter | 30 min |
| May 21, 2:00 PM MDT | Severe Thunderstorm Watch | SPC | Carter, Fallon, Wibaux | 6 hr |
| May 21, 2:36 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon | 64 min |
| May 21, 2:48 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 62 min |
| May 21, 3:52 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Yellowstone | 63 min |
| May 21, 7:06 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Sheridan | 64 min |
| May 29, 4:44 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Fallon | 46 min |
| May 29, 4:57 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 53 min |
| May 29, 5:01 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 49 min |
| May 29, 5:34 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 46 min |
| Jun 2, 3:49 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau | 31 min |
| Jun 2, 4:37 PM MDT | Severe Thunderstorm Warning | BYZ | Park | 63 min |
| Jun 2, 5:26 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 64 min |
| Jun 2, 5:30 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Liberty | 30 min |
| Jun 2, 5:30 PM MDT | Tornado Warning | TFX | Chouteau, Liberty | 30 min |
| Jun 2, 7:38 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin, Meagher | 47 min |
| Jun 2, 7:55 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Liberty | 35 min |
| Jun 2, 8:11 PM MDT | Flash Flood Warning | TFX | Chouteau, Liberty | 3 hr |
| Jun 3, 2:00 PM MDT | Tornado Watch | SPC | Richland, Roosevelt, Sheridan | 5 hr |
| Jun 7, 6:22 PM MDT | Severe Thunderstorm Warning | BYZ | Treasure | 38 min |
| Jun 7, 6:28 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 47 min |
| Jun 7, 6:41 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 44 min |
| Jun 7, 8:49 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Musselshell | 56 min |
| Jun 7, 9:49 PM MDT | Tornado Warning | BYZ | Musselshell | 46 min |
| Jun 8, 12:43 AM MDT | Flash Flood Warning | GGW | Valley | 6 hr |
| Jun 8, 10:17 AM MDT | Severe Thunderstorm Warning | GGW | Prairie | 63 min |
| Jun 8, 10:31 AM MDT | Severe Thunderstorm Warning | GGW | Prairie | 64 min |
| Jun 8, 10:59 AM MDT | Severe Thunderstorm Warning | GGW | Dawson | 41 min |
| Jun 8, 2:30 PM MDT | Tornado Watch | SPC | Carter, Fallon, Powder River, Wibaux | 7 hr |
| Jun 8, 3:12 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 48 min |
| Jun 8, 3:18 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 47 min |
| Jun 11, 12:15 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Carter, Custer, Daniels, Dawson, Fallon and 12 more | 6 hr |
| Jun 11, 12:24 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 61 min |
| Jun 11, 1:31 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 64 min |
| Jun 11, 2:52 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 63 min |
| Jun 11, 3:29 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 61 min |
| Jun 11, 4:29 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 61 min |
| Jun 12, 5:51 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 59 min |
| Jun 12, 6:32 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon | 58 min |
| Jun 17, 1:28 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 62 min |
| Jun 18, 3:00 PM MDT | Severe Thunderstorm Watch | SPC | Beaverhead, Cascade, Deer Lodge, Granite, Jefferson, Lake and 7 more | 6 hr |
| Jun 18, 4:11 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead | 34 min |
| Jun 18, 4:37 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Lewis and Clark | 38 min |
| Jun 18, 4:44 PM MDT | Severe Thunderstorm Warning | MSO | Deer Lodge, Powell | 31 min |
| Jun 18, 4:54 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 36 min |
| Jun 18, 5:30 PM MDT | Severe Thunderstorm Watch | SPC | Blaine, Broadwater, Carbon, Chouteau, Fergus, Gallatin and 13 more | 6 hr |
| Jun 18, 5:39 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 36 min |
| Jun 18, 6:57 PM MDT | Severe Thunderstorm Warning | TFX | Meagher | 33 min |
| Jun 18, 7:09 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 36 min |
| Jun 18, 8:01 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 34 min |
| Jun 18, 8:29 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 46 min |
| Jun 18, 8:42 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 33 min |
| Jun 18, 8:44 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin | 31 min |
| Jun 18, 9:01 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 39 min |
| Jun 18, 9:12 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 33 min |
| Jun 19, 3:44 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 46 min |
| Jun 19, 4:14 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 61 min |
| Jun 19, 4:22 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 63 min |
| Jun 19, 4:40 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 65 min |
| Jun 19, 4:45 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Carbon, Custer, Daniels, Dawson, Garfield and 12 more | 6 hr |
| Jun 19, 4:47 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 63 min |
| Jun 19, 4:54 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin | 36 min |
| Jun 19, 5:32 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 63 min |
| Jun 19, 5:45 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 60 min |
| Jun 19, 6:49 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Sheridan | 66 min |
| Jun 19, 6:52 PM MDT | Severe Thunderstorm Warning | BYZ | Park | 33 min |
| Jun 19, 7:00 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 30 min |
| Jun 19, 7:04 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 26 min |
| Jun 19, 7:32 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 43 min |
| Jun 19, 7:48 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 62 min |
| Jun 19, 7:49 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 61 min |
| Jun 19, 8:13 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 47 min |
| Jun 19, 9:00 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 30 min |
| Jun 19, 9:06 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 64 min |
| Jun 19, 10:30 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Valley | 60 min |
| Jun 19, 11:12 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 63 min |
| Jun 20, 1:26 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 64 min |
| Jun 20, 2:44 PM MDT | Flash Flood Warning | GGW | Roosevelt | 3 hr |
| Jun 20, 4:15 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Custer, Dawson, Fallon, McCone, Powder River and 5 more | 7 hr |
| Jun 20, 5:06 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 59 min |
| Jun 20, 5:10 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 65 min |
| Jun 20, 5:59 PM MDT | Flash Flood Warning | GGW | Roosevelt | 116 min |
| Jun 20, 6:05 PM MDT | Tornado Warning | GGW | Dawson | 60 min |
| Jun 20, 6:15 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 65 min |
| Jun 20, 6:17 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 63 min |
| Jun 20, 7:07 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 63 min |
| Jun 20, 7:21 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 64 min |
| Jun 20, 8:19 PM MDT | Tornado Warning | BYZ | Fallon | 51 min |
| Jun 20, 8:21 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 64 min |
| Jun 20, 8:25 PM MDT | Flash Flood Warning | GGW | Wibaux | 3 hr |
| Jun 20, 9:00 PM MDT | Severe Thunderstorm Watch | SPC | Carter, Custer, Fallon, Powder River | 4 hr |
| Jun 21, 2:52 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin | 33 min |
| Jun 21, 3:00 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Carbon, Carter, Custer, Dawson, Fallon and 17 more | 6 hr |
| Jun 21, 4:31 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 29 min |
| Jun 21, 4:45 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Yellowstone | 65 min |
| Jun 21, 4:56 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 64 min |
| Jun 21, 4:57 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 48 min |
| Jun 21, 5:05 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 65 min |
| Jun 21, 5:05 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 25 min |
| Jun 21, 5:08 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 62 min |
| Jun 21, 5:30 PM MDT | Tornado Watch | SPC | Blaine, Daniels, McCone, Phillips, Richland, Roosevelt and 2 more | 6 hr |
| Jun 21, 5:32 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 63 min |
| Jun 21, 5:41 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 64 min |
| Jun 21, 5:50 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 25 min |
| Jun 21, 6:07 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 63 min |
| Jun 21, 6:12 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 63 min |
| Jun 21, 6:32 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 63 min |
| Jun 21, 6:38 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 62 min |
| Jun 21, 6:51 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 59 min |
| Jun 21, 6:56 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 64 min |
| Jun 21, 7:01 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 64 min |
| Jun 21, 7:17 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 63 min |
| Jun 21, 7:40 PM MDT | Tornado Warning | GGW | Phillips, Valley | 65 min |
| Jun 21, 7:52 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt | 63 min |
| Jun 21, 8:28 PM MDT | Tornado Warning | GGW | Roosevelt | 62 min |
| Jun 21, 8:30 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Richland | 60 min |
| Jun 21, 8:44 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 61 min |
| Jun 21, 8:55 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 35 min |
| Jun 24, 4:41 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Lewis and Clark, Meagher | 34 min |
| Jun 24, 5:15 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Meagher | 30 min |
| Jun 24, 5:48 PM MDT | Severe Thunderstorm Warning | MSO | Flathead, Lake, Sanders | 42 min |
| Jun 24, 6:30 PM MDT | Severe Thunderstorm Warning | MSO | Flathead, Lake | 45 min |
| Jun 24, 7:15 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 45 min |
| Jun 24, 7:50 PM MDT | Severe Thunderstorm Warning | MSO | Granite, Missoula, Ravalli | 40 min |
| Jun 24, 8:23 PM MDT | Severe Thunderstorm Warning | MSO | Granite, Missoula, Powell | 52 min |
| Jun 24, 8:23 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 52 min |
| Jun 24, 9:17 PM MDT | Severe Thunderstorm Warning | MSO | Missoula, Powell | 28 min |
| Jun 25, 2:50 AM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 60 min |
| Jun 25, 3:14 AM MDT | Severe Thunderstorm Warning | TFX | Cascade | 31 min |
| Jun 25, 3:24 AM MDT | Severe Thunderstorm Warning | GGW | Valley | 66 min |
| Jun 25, 3:25 AM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 65 min |
| Jun 25, 4:30 AM MDT | Severe Thunderstorm Warning | GGW | Valley | 35 min |
| Jun 25, 4:42 AM MDT | Severe Thunderstorm Warning | GGW | Daniels | 63 min |
| Jun 25, 5:05 AM MDT | Severe Thunderstorm Warning | GGW | Valley | 60 min |
| Jun 25, 3:33 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 47 min |
| Jun 25, 4:24 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River | 26 min |
| Jun 25, 4:37 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 63 min |
| Jun 25, 5:19 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 46 min |
| Jun 25, 5:44 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 31 min |
| Jun 25, 6:27 PM MDT | Tornado Warning | BYZ | Carter | 33 min |
| Jun 25, 7:11 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 19 min |
| Jun 27, 7:55 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 35 min |
| Jul 1, 10:44 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 36 min |
| Jul 1, 11:07 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 43 min |
| Jul 2, 10:20 PM MDT | Tornado Warning | BYZ | Treasure | 30 min |
| Jul 3, 12:11 AM MDT | Tornado Warning | BYZ | Treasure | 34 min |
| Jul 3, 12:52 AM MDT | Severe Thunderstorm Warning | BYZ | Treasure | 33 min |
| Jul 3, 1:15 AM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 50 min |
| Jul 3, 1:48 AM MDT | Severe Thunderstorm Warning | BYZ | Custer | 57 min |
| Jul 3, 2:26 AM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 59 min |
| Jul 3, 11:59 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 61 min |
| Jul 4, 1:11 AM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 34 min |
| Jul 4, 9:40 PM MDT | Severe Thunderstorm Warning | BYZ | Fallon | 65 min |
| Jul 4, 10:17 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 63 min |
| Jul 7, 4:44 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 66 min |
| Jul 7, 5:13 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 62 min |
| Jul 7, 5:29 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 56 min |
| Jul 7, 5:45 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 65 min |
| Jul 7, 6:15 PM MDT | Tornado Watch | SPC | Big Horn, Carter, Custer, Daniels, Dawson, Fallon and 12 more | 6 hr |
| Jul 7, 6:24 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 61 min |
| Jul 7, 6:37 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 33 min |
| Jul 7, 6:47 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 28 min |
| Jul 7, 6:57 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 48 min |
| Jul 7, 7:23 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 57 min |
| Jul 7, 7:41 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone | 64 min |
| Jul 7, 8:46 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 49 min |
| Jul 7, 9:26 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 64 min |
| Jul 7, 10:29 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 56 min |
| Jul 12, 5:29 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Valley | 66 min |
| Jul 12, 6:07 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt | 63 min |
| Jul 12, 6:24 PM MDT | Tornado Warning | GGW | Daniels | 36 min |
| Jul 12, 6:48 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 62 min |
| Jul 12, 7:09 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 66 min |
| Jul 12, 7:47 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 63 min |
| Jul 12, 8:05 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 65 min |
| Jul 13, 2:31 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 79 min |
| Jul 13, 3:00 PM MDT | Severe Thunderstorm Watch | SPC | Daniels, Richland, Roosevelt, Sheridan | 6 hr |
| Jul 14, 4:41 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Hill | 49 min |
| Jul 14, 6:15 PM MDT | Severe Thunderstorm Watch | SPC | Carter, Custer, Dawson, Fallon, Garfield, McCone and 5 more | 6 hr |
| Jul 14, 6:23 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 62 min |
| Jul 14, 6:49 PM MDT | Flash Flood Warning | BYZ | Rosebud | 2 hr |
| Jul 14, 7:25 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 60 min |
| Jul 15, 4:27 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon, Stillwater | 48 min |
| Jul 15, 4:57 PM MDT | Tornado Warning | BYZ | Carbon | 33 min |
| Jul 15, 5:20 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Carbon | 60 min |
| Jul 17, 5:08 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Treasure | 62 min |
| Jul 17, 5:35 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 25 min |
| Jul 17, 7:23 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Valley | 62 min |
| Jul 17, 7:57 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 33 min |
| Jul 18, 5:43 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 62 min |
| Jul 18, 6:12 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 33 min |
| Jul 18, 6:56 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 64 min |
| Jul 18, 7:46 PM MDT | Flash Flood Warning | GGW | McCone | 3 hr |
| Jul 18, 8:02 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 63 min |
| Jul 19, 5:40 AM MDT | Severe Thunderstorm Warning | GGW | Dawson, Wibaux | 65 min |
| Jul 19, 2:46 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 64 min |
| Jul 19, 3:13 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 47 min |
| Jul 19, 3:30 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Carter, Custer, Daniels, Dawson, Fallon and 9 more | 6 hr |
| Jul 19, 3:46 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 64 min |
| Jul 19, 4:48 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 62 min |
| Jul 19, 5:39 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 61 min |
| Jul 19, 5:44 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 31 min |
| Jul 19, 5:51 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 64 min |
| Jul 19, 6:51 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 29 min |
| Jul 19, 7:20 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 30 min |
| Jul 19, 9:05 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Sheridan | 65 min |
| Jul 20, 12:17 AM MDT | Severe Thunderstorm Warning | BYZ | Rosebud, Treasure | 63 min |
| Jul 20, 1:40 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 35 min |
| Jul 20, 2:15 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Blaine, Carbon, Custer, Daniels, Garfield and 10 more | 7 hr |
| Jul 20, 2:33 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 62 min |
| Jul 20, 2:37 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater, Yellowstone | 63 min |
| Jul 20, 3:15 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 60 min |
| Jul 20, 3:15 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 65 min |
| Jul 20, 3:20 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 60 min |
| Jul 20, 3:28 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 62 min |
| Jul 20, 4:14 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 66 min |
| Jul 20, 5:27 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone | 63 min |
| Jul 20, 6:48 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 62 min |
| Jul 20, 7:42 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 63 min |
| Jul 20, 9:03 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 62 min |
| Jul 21, 2:58 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 62 min |
| Jul 21, 3:15 PM MDT | Severe Thunderstorm Watch | SPC | Broadwater, Cascade, Chouteau, Fergus, Golden Valley, Jefferson and 6 more | 6 hr |
| Jul 21, 3:21 PM MDT | Severe Thunderstorm Warning | MSO | Powell | 54 min |
| Jul 21, 4:11 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 34 min |
| Jul 21, 4:25 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River | 45 min |
| Jul 21, 4:45 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Carter, Custer, Daniels, Dawson, Fallon and 11 more | 6 hr |
| Jul 21, 4:45 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 50 min |
| Jul 21, 5:06 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 34 min |
| Jul 21, 5:10 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 65 min |
| Jul 21, 5:15 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 35 min |
| Jul 21, 5:36 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Liberty | 34 min |
| Jul 21, 5:43 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 32 min |
| Jul 21, 6:10 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 65 min |
| Jul 21, 6:12 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Chouteau | 33 min |
| Jul 21, 6:29 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 66 min |
| Jul 21, 6:34 PM MDT | Severe Thunderstorm Warning | TFX | Hill | 31 min |
| Jul 21, 6:48 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 32 min |
| Jul 21, 6:56 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 64 min |
| Jul 21, 7:03 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 62 min |
| Jul 21, 7:10 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 45 min |
| Jul 21, 7:28 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 57 min |
| Jul 21, 7:34 PM MDT | Tornado Warning | GGW | Valley | 66 min |
| Jul 21, 8:41 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Valley | 64 min |
| Jul 21, 9:01 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 64 min |
| Jul 21, 9:35 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 40 min |
| Jul 21, 9:42 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 33 min |
| Jul 21, 9:43 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 62 min |
| Jul 21, 9:56 PM MDT | Tornado Warning | GGW | Roosevelt | 59 min |
| Jul 21, 10:00 PM MDT | Severe Thunderstorm Watch | SPC | Daniels, McCone, Richland, Roosevelt, Sheridan | 6 hr |
| Jul 21, 10:23 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 62 min |
| Jul 21, 10:40 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 65 min |
| Jul 21, 10:56 PM MDT | Tornado Warning | GGW | Roosevelt | 64 min |
| Jul 21, 11:27 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 33 min |
| Jul 21, 11:47 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 63 min |
| Jul 22, 12:03 AM MDT | Severe Thunderstorm Warning | GGW | McCone | 62 min |
| Jul 22, 12:11 AM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt, Sheridan | 64 min |
| Jul 22, 10:29 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 61 min |
| Jul 24, 3:19 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 61 min |
| Jul 24, 3:43 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 62 min |
| Jul 24, 4:30 PM MDT | Tornado Watch | SPC | Daniels, Phillips, Richland, Roosevelt, Sheridan, Valley | 7 hr |
| Jul 24, 5:19 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 66 min |
| Jul 24, 6:25 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 50 min |
| Aug 2, 5:30 PM MDT | Flash Flood Warning | BYZ | Big Horn | 90 min |
| Aug 2, 7:05 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 40 min |
| Aug 2, 7:46 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 29 min |
| Aug 2, 7:57 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 63 min |
| Aug 2, 9:01 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 64 min |
| Aug 2, 9:57 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Stillwater | 88 min |
| Aug 3, 3:55 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin, Meagher | 30 min |
| Aug 3, 6:30 PM MDT | Severe Thunderstorm Warning | MSO | Flathead | 45 min |
| Aug 4, 7:44 PM MDT | Flash Flood Warning | BYZ | Big Horn | 56 min |
| Aug 6, 4:17 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater | 28 min |
| Aug 7, 3:15 PM MDT | Severe Thunderstorm Watch | SPC | Beaverhead, Broadwater, Carbon, Cascade, Chouteau, Deer Lodge and 24 more | 6 hr |
| Aug 7, 3:36 PM MDT | Severe Thunderstorm Warning | MSO | Missoula, Ravalli | 54 min |
| Aug 7, 4:30 PM MDT | Severe Thunderstorm Warning | MSO | Lake, Missoula, Sanders | 60 min |
| Aug 7, 5:20 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass | 35 min |
| Aug 7, 5:27 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Teton | 63 min |
| Aug 7, 5:35 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 60 min |
| Aug 7, 6:10 PM MDT | Severe Thunderstorm Warning | TFX | Teton | 60 min |
| Aug 7, 6:28 PM MDT | Severe Thunderstorm Warning | TFX | Pondera | 42 min |
| Aug 7, 6:52 PM MDT | Severe Thunderstorm Warning | MSO | Lincoln, Sanders | 38 min |
| Aug 7, 6:54 PM MDT | Tornado Warning | TFX | Teton | 31 min |
| Aug 7, 7:16 PM MDT | Severe Thunderstorm Warning | TFX | Teton | 44 min |
| Aug 7, 7:27 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 33 min |
| Aug 7, 7:31 PM MDT | Severe Thunderstorm Warning | TFX | Pondera | 59 min |
| Aug 7, 7:40 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Stillwater | 60 min |
| Aug 7, 8:13 PM MDT | Severe Thunderstorm Warning | TFX | Toole | 57 min |
| Aug 7, 9:00 PM MDT | Severe Thunderstorm Warning | TFX | Liberty, Toole | 60 min |
| Aug 7, 9:15 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Hill | 45 min |
| Aug 7, 9:43 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 62 min |
| Aug 7, 10:00 PM MDT | Severe Thunderstorm Warning | TFX | Hill, Liberty, Toole | 35 min |
| Aug 7, 10:03 PM MDT | Flash Flood Warning | BYZ | Golden Valley, Musselshell | 2 hr |
| Aug 7, 10:35 PM MDT | Severe Thunderstorm Warning | MSO | Flathead, Missoula, Powell | 40 min |
| Aug 8, 12:04 AM MDT | Severe Thunderstorm Warning | TFX | Pondera, Toole | 26 min |
| Aug 8, 12:30 AM MDT | Severe Thunderstorm Warning | TFX | Liberty, Toole | 30 min |
| Aug 8, 5:00 PM MDT | Severe Thunderstorm Watch | SPC | Dawson, Richland, Roosevelt, Wibaux | 5 hr |
| Aug 8, 6:50 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 60 min |
| Aug 8, 7:48 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 62 min |
| Aug 8, 7:51 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 64 min |
| Aug 11, 2:30 PM MDT | Tornado Watch | SPC | Richland, Wibaux | 7 hr |
| Aug 11, 4:45 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 60 min |
| Aug 11, 5:01 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 64 min |
| Aug 11, 6:11 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 64 min |
| Aug 11, 8:04 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 61 min |
| Aug 12, 5:46 PM MDT | Severe Thunderstorm Warning | TFX | Teton | 29 min |
| Aug 13, 12:28 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead | 47 min |
| Aug 13, 1:26 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin, Madison | 49 min |
| Aug 13, 2:00 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead | 60 min |
| Aug 13, 2:55 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead, Madison | 50 min |
| Aug 13, 3:40 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin, Madison | 50 min |
| Aug 13, 4:46 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead, Madison | 44 min |
| Aug 13, 4:47 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 63 min |
| Aug 13, 5:17 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 63 min |
| Aug 13, 6:01 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Carbon | 64 min |
| Aug 13, 6:21 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass | 59 min |
| Aug 13, 6:37 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 53 min |
| Aug 13, 7:25 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 65 min |
| Aug 13, 8:09 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 31 min |
| Aug 14, 4:15 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Broadwater, Carbon, Fergus, Gallatin, Garfield and 11 more | 6 hr |
| Aug 14, 4:57 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 48 min |
| Aug 14, 5:10 PM MDT | Tornado Warning | TFX | Fergus | 35 min |
| Aug 14, 5:21 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 39 min |
| Aug 14, 5:38 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 52 min |
| Aug 14, 5:45 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 30 min |
| Aug 14, 5:51 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 69 min |
| Aug 14, 6:17 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 43 min |
| Aug 14, 6:22 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 53 min |
| Aug 14, 6:37 PM MDT | Tornado Warning | TFX | Fergus | 33 min |
| Aug 14, 6:55 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 50 min |
| Aug 14, 7:00 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 60 min |
| Aug 14, 7:10 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 50 min |
| Aug 14, 7:12 PM MDT | Tornado Warning | TFX | Judith Basin | 33 min |
| Aug 14, 7:17 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 28 min |
| Aug 14, 7:35 PM MDT | Tornado Warning | TFX | Fergus, Judith Basin | 25 min |
| Aug 14, 7:54 PM MDT | Tornado Warning | TFX | Fergus | 66 min |
| Aug 14, 7:55 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 65 min |
| Aug 14, 8:00 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 60 min |
| Aug 14, 8:55 PM MDT | Tornado Warning | GGW | Garfield | 65 min |
| Aug 14, 8:57 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum | 63 min |
| Aug 14, 9:14 PM MDT | Tornado Warning | BYZ | Wheatland | 61 min |
| Aug 14, 9:54 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 66 min |
| Aug 14, 10:18 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 62 min |
| Aug 14, 10:22 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 38 min |
| Aug 14, 10:34 PM MDT | Tornado Warning | BYZ | Musselshell | 36 min |
| Aug 14, 10:42 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 63 min |
| Aug 14, 10:57 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 63 min |
| Aug 14, 11:10 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 65 min |
| Aug 14, 11:36 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 54 min |
| Aug 15, 12:04 AM MDT | Severe Thunderstorm Warning | GGW | Dawson | 56 min |
| Aug 15, 12:33 AM MDT | Severe Thunderstorm Warning | GGW | Garfield | 57 min |
| Aug 15, 1:49 AM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Stillwater | 61 min |
| Aug 15, 2:38 AM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 62 min |
| Aug 15, 2:44 AM MDT | Tornado Warning | BYZ | Golden Valley | 51 min |
| Aug 15, 2:59 AM MDT | Severe Thunderstorm Warning | BYZ | Stillwater | 66 min |
| Aug 15, 3:18 AM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 62 min |
| Aug 15, 3:46 AM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 59 min |
| Aug 15, 4:24 AM MDT | Severe Thunderstorm Warning | GGW | Garfield | 61 min |
| Aug 15, 4:50 AM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 45 min |
| Aug 15, 5:48 AM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 62 min |
| Aug 15, 6:03 AM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 47 min |
| Aug 15, 6:30 AM MDT | Severe Thunderstorm Warning | BYZ | Treasure | 30 min |
| Aug 15, 6:48 AM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 62 min |
| Aug 15, 10:44 AM MDT | Severe Thunderstorm Warning | BYZ | Carbon | 31 min |
| Aug 15, 10:53 AM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 47 min |
| Aug 15, 11:07 AM MDT | Tornado Warning | BYZ | Yellowstone | 48 min |
| Aug 15, 11:15 AM MDT | Tornado Watch | SPC | Big Horn, Carter, Custer, Dawson, Fallon, Garfield and 7 more | 6 hr |
| Aug 15, 11:49 AM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 61 min |
| Aug 15, 12:30 PM MDT | Tornado Warning | BYZ | Rosebud | 30 min |
| Aug 15, 12:36 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 64 min |
| Aug 15, 12:45 PM MDT | Severe Thunderstorm Warning | BYZ | Treasure | 45 min |
| Aug 15, 12:56 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 59 min |
| Aug 15, 12:57 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 63 min |
| Aug 15, 1:41 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 49 min |
| Aug 15, 1:55 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 60 min |
| Aug 15, 1:56 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 64 min |
| Aug 15, 2:26 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 64 min |
| Aug 20, 6:43 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Stillwater | 62 min |
| Aug 21, 2:23 PM MDT | Severe Thunderstorm Warning | MSO | Deer Lodge, Powell | 67 min |
| Aug 21, 5:46 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Teton | 34 min |
| Aug 24, 3:19 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 56 min |
| Aug 24, 6:53 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 62 min |
| Aug 24, 7:11 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Meagher | 64 min |
| Aug 24, 7:56 PM MDT | Severe Thunderstorm Warning | TFX | Cascade | 64 min |
| Aug 24, 8:12 PM MDT | Severe Thunderstorm Warning | TFX | Meagher | 48 min |
| Aug 27, 11:10 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 65 min |
| Aug 28, 12:29 PM MDT | Flash Flood Warning | GGW | Phillips | 3 hr |
| Aug 28, 12:30 PM MDT | Flash Flood Warning | TFX | Blaine, Fergus | 3 hr |
| Sep 10, 7:01 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Toole | 29 min |
| Sep 10, 7:39 PM MDT | Severe Thunderstorm Warning | TFX | Liberty, Toole | 41 min |
| Sep 10, 8:21 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Hill | 24 min |
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 | 335 |
| Tornado Warning | 28 |
| Severe Thunderstorm Watch | 19 |
| Tornado Watch | 7 |
| Flooding | |
| Flash Flood Warning | 15 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Roosevelt County31
- Rosebud County30
- Valley County29
- Fergus County29
- Carter County28
- Garfield County27
- Powder River County27
- Richland County26
- McCone County24
- Custer County24
- Dawson County23
- Big Horn County23
- Treasure County20
- Wibaux County20
- Daniels County19
- Chouteau County19
- Phillips County19
- Judith Basin County18
- Musselshell County18
- Yellowstone County17
- Fallon County17
- Sheridan County17
- Prairie County16
- Petroleum County16
- Carbon County15
- Golden Valley County14
- Stillwater County14
- Meagher County12
- Wheatland County11
- Cascade County10
- Liberty County10
- Missoula County10
- Lewis and Clark County9
- Powell County8
- Teton County8
- Gallatin County8
- Toole County8
- Beaverhead County7
- Ravalli County7
- Blaine County7
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19982000
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.