Alert archive / Montana / 2011
Weather alerts in Montana, August 2011
398 weather alerts in August 2011, 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 August 2011. Tap one for its archive.
- Alerts
- 398
- Warnings
- 81
- Watches
- 14
- Advisories
- 10
- Busiest day
- August 11, 201144 alerts
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 |
|---|---|---|---|---|
| Jul 31, 6:00 PM MDT | Special Weather Statement | TFX | Cascade | 45 min |
| Jul 31, 7:57 PM MDT | Special Weather Statement | MSO | Granite | 48 min |
| Aug 1, 6:55 AM MDT | Special Weather Statement | BYZ | Rosebud | 50 min |
| Aug 1, 1:19 PM MDT | Special Weather Statement | BYZ | Carter | 56 min |
| Aug 1, 2:14 PM MDT | Special Weather Statement | BYZ | Carter | 31 min |
| Aug 1, 2:44 PM MDT | Special Weather Statement | BYZ | Carter | 31 min |
| Aug 1, 4:47 PM MDT | Special Weather Statement | TFX | Jefferson, Madison | 58 min |
| Aug 1, 6:34 PM MDT | Special Weather Statement | TFX | Broadwater, Gallatin | 56 min |
| Aug 1, 7:16 PM MDT | Special Weather Statement | BYZ | Park | 59 min |
| Aug 1, 8:07 PM MDT | Special Weather Statement | BYZ | Park, Sweet Grass, Wheatland | 53 min |
| Aug 1, 9:03 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 42 min |
| Aug 1, 9:06 PM MDT | Special Weather Statement | BYZ | Sweet Grass | 54 min |
| Aug 2, 3:34 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 56 min |
| Aug 2, 4:29 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Sheridan | 61 min |
| Aug 2, 5:16 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 59 min |
| Aug 2, 5:41 PM MDT | Special Weather Statement | MSO | Powell | 34 min |
| Aug 2, 6:16 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Sheridan | 59 min |
| Aug 2, 8:01 PM MDT | Special Weather Statement | TFX | Cascade | 44 min |
| Aug 2, 8:48 PM MDT | Special Weather Statement | TFX | Cascade | 42 min |
| Aug 3, 1:09 PM MDT | Special Weather Statement | MSO | Ravalli | 36 min |
| Aug 3, 1:28 PM MDT | Special Weather Statement | TFX | Broadwater | 32 min |
| Aug 3, 1:31 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Jefferson, Lewis and Clark | 29 min |
| Aug 3, 2:30 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater | 45 min |
| Aug 3, 3:29 PM MDT | Special Weather Statement | TFX | Fergus | 61 min |
| Aug 3, 4:13 PM MDT | Special Weather Statement | TFX | Judith Basin | 62 min |
| Aug 3, 4:40 PM MDT | Special Weather Statement | TFX | Cascade | 65 min |
| Aug 3, 4:53 PM MDT | Special Weather Statement | TFX | Chouteau | 67 min |
| Aug 3, 5:11 PM MDT | Special Weather Statement | TFX | Meagher | 49 min |
| Aug 3, 5:27 PM MDT | Special Weather Statement | TFX | Chouteau | 48 min |
| Aug 3, 5:29 PM MDT | Special Weather Statement | TFX | Chouteau | 31 min |
| Aug 3, 6:16 PM MDT | Special Weather Statement | TFX | 59 min | |
| Aug 3, 9:08 PM MDT | Special Weather Statement | MSO | Deer Lodge | 37 min |
| Aug 4, 2:24 PM MDT | Mesoscale Discussion | SPC | Custer, Dawson, Fallon, Garfield, McCone, Prairie and 4 more | 96 min |
| Aug 4, 3:03 PM MDT | Special Weather Statement | BYZ | Custer | 57 min |
| Aug 4, 3:45 PM MDT | Special Weather Statement | TFX | Jefferson | 45 min |
| Aug 4, 3:56 PM MDT | Special Weather Statement | BYZ | Golden Valley | 64 min |
| Aug 4, 3:58 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 62 min |
| Aug 4, 4:06 PM MDT | Special Weather Statement | BYZ | Powder River | 54 min |
| Aug 4, 4:08 PM MDT | Special Weather Statement | BYZ | Fallon | 67 min |
| Aug 4, 4:44 PM MDT | Special Weather Statement | GGW | Dawson | 61 min |
| Aug 4, 4:49 PM MDT | Severe Thunderstorm Watch | SPC | Dawson, Fallon, Prairie, Richland, Wibaux | 5 hr |
| Aug 4, 4:56 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Fallon | 64 min |
| Aug 4, 5:00 PM MDT | Special Weather Statement | GGW | Wibaux | 30 min |
| Aug 4, 5:09 PM MDT | Special Weather Statement | GGW | Wibaux | 36 min |
| Aug 4, 5:14 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Wibaux | 46 min |
| Aug 4, 5:27 PM MDT | Special Weather Statement | TFX | Madison | 48 min |
| Aug 4, 5:28 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 15 min |
| Aug 4, 5:57 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Fallon | 52 min |
| Aug 4, 5:57 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 32 min |
| Aug 4, 6:58 PM MDT | Special Weather Statement | MSO | 32 min | |
| Aug 4, 7:21 PM MDT | Special Weather Statement | MSO | Missoula | 24 min |
| Aug 4, 7:28 PM MDT | Special Weather Statement | MSO | Missoula | 32 min |
| Aug 4, 7:29 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 46 min |
| Aug 4, 7:36 PM MDT | Flash Flood Watch | GGW | Daniels, Dawson, Garfield, McCone, Phillips, Prairie and 5 more | 24 hr |
| Aug 4, 8:11 PM MDT | Special Weather Statement | TFX | Cascade | 49 min |
| Aug 4, 9:10 PM MDT | Special Weather Statement | TFX | Cascade | 50 min |
| Aug 5, 3:18 AM MDT | Special Weather Statement | GGW | Daniels | 57 min |
| Aug 5, 3:20 AM MDT | Special Weather Statement | GGW | McCone | 55 min |
| Aug 5, 3:26 AM MDT | Special Weather Statement | GGW | Wibaux | 34 min |
| Aug 5, 3:42 AM MDT | Special Weather Statement | BYZ | Treasure | 78 min |
| Aug 5, 3:47 AM MDT | Special Weather Statement | GGW | Dawson | 58 min |
| Aug 5, 4:11 AM MDT | Severe Thunderstorm Warning | GGW | Daniels, Valley | 64 min |
| Aug 5, 4:21 AM MDT | Special Weather Statement | GGW | Richland | 54 min |
| Aug 5, 5:30 AM MDT | Special Weather Statement | GGW | Daniels | 60 min |
| Aug 5, 6:09 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 8 hr |
| Aug 5, 9:07 AM MDT | Flash Flood Warning | GGW | Dawson, Richland, Wibaux | 3 hr |
| Aug 5, 11:32 AM MDT | Special Weather Statement | BYZ | Carter | 58 min |
| Aug 5, 12:05 PM MDT | Mesoscale Discussion | SPC | Big Horn, Carter, Custer, Fallon, Powder River, Prairie and 2 more | 2 hr |
| Aug 5, 12:22 PM MDT | Special Weather Statement | GGW | Dawson | 53 min |
| Aug 5, 12:33 PM MDT | Special Weather Statement | BYZ | Carter | 57 min |
| Aug 5, 1:00 PM MDT | Special Weather Statement | MSO | Flathead | 45 min |
| Aug 5, 1:11 PM MDT | Special Weather Statement | BYZ | Fallon | 64 min |
| Aug 5, 1:23 PM MDT | Special Weather Statement | BYZ | Carbon | 67 min |
| Aug 5, 2:22 PM MDT | Special Weather Statement | GGW | Richland | 23 min |
| Aug 5, 2:30 PM MDT | Special Weather Statement | BYZ | Yellowstone | 45 min |
| Aug 5, 2:39 PM MDT | Special Weather Statement | BYZ | Big Horn | 66 min |
| Aug 5, 2:43 PM MDT | Special Weather Statement | BYZ | Big Horn | 47 min |
| Aug 5, 2:55 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Carter, Custer, Fallon, Powder River, Rosebud and 1 more | 5 hr |
| Aug 5, 3:05 PM MDT | Special Weather Statement | GGW | Prairie | 25 min |
| Aug 5, 3:13 PM MDT | Special Weather Statement | BYZ | Yellowstone | 62 min |
| Aug 5, 3:29 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 31 min |
| Aug 5, 3:31 PM MDT | Special Weather Statement | BYZ | Yellowstone | 59 min |
| Aug 5, 3:46 PM MDT | Special Weather Statement | BYZ | Yellowstone | 59 min |
| Aug 5, 3:59 PM MDT | Special Weather Statement | MSO | Lake | 26 min |
| Aug 5, 4:13 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Yellowstone | 62 min |
| Aug 5, 4:25 PM MDT | Mesoscale Discussion | SPC | Big Horn, Carter, Custer, Fallon, Powder River, Prairie and 2 more | 2 hr |
| Aug 5, 4:29 PM MDT | Special Weather Statement | BYZ | 61 min | |
| Aug 5, 5:22 PM MDT | Special Weather Statement | BYZ | Powder River | 53 min |
| Aug 5, 5:41 PM MDT | Special Weather Statement | BYZ | Custer | 64 min |
| Aug 5, 6:27 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 63 min |
| Aug 5, 6:32 PM MDT | Mesoscale Discussion | SPC | Carter, Custer, Fallon, Powder River, Rosebud, Treasure | 88 min |
| Aug 6, 2:31 PM MDT | Special Weather Statement | MSO | 44 min | |
| Aug 6, 2:46 PM MDT | Special Weather Statement | TFX | 44 min | |
| Aug 6, 4:04 PM MDT | Special Weather Statement | RIW | Carbon | 41 min |
| Aug 6, 4:55 PM MDT | Special Weather Statement | BYZ | Carbon | 65 min |
| Aug 6, 5:06 PM MDT | Special Weather Statement | BYZ | Carbon | 54 min |
| Aug 6, 6:00 PM MDT | Special Weather Statement | BYZ | 60 min | |
| Aug 6, 6:30 PM MDT | Special Weather Statement | TFX | Broadwater | 60 min |
| Aug 6, 7:01 PM MDT | Special Weather Statement | BYZ | Big Horn | 59 min |
| Aug 6, 7:39 PM MDT | Special Weather Statement | BYZ | Carbon | 66 min |
| Aug 6, 7:59 PM MDT | Special Weather Statement | TFX | Gallatin | 31 min |
| Aug 6, 8:11 PM MDT | Special Weather Statement | TFX | Judith Basin | 64 min |
| Aug 6, 10:29 PM MDT | Special Weather Statement | BYZ | Treasure | 61 min |
| Aug 7, 2:58 PM MDT | Special Weather Statement | BYZ | Carter | 47 min |
| Aug 7, 3:28 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 62 min |
| Aug 7, 3:39 PM MDT | Special Weather Statement | TFX | Gallatin | 36 min |
| Aug 7, 4:38 PM MDT | Special Weather Statement | BYZ | Yellowstone | 37 min |
| Aug 7, 4:49 PM MDT | Special Weather Statement | BYZ | Big Horn | 56 min |
| Aug 7, 4:56 PM MDT | Special Weather Statement | BYZ | Yellowstone | 64 min |
| Aug 7, 5:54 PM MDT | Special Weather Statement | BYZ | Big Horn | 66 min |
| Aug 8, 11:32 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 8 hr |
| Aug 8, 3:41 PM MDT | Special Weather Statement | TFX | Glacier | 49 min |
| Aug 8, 4:23 PM MDT | Special Weather Statement | TFX | Glacier | 52 min |
| Aug 8, 8:52 PM MDT | Special Weather Statement | MSO | Lake | 53 min |
| Aug 9, 12:55 PM MDT | Special Weather Statement | TFX | Teton | 50 min |
| Aug 9, 1:32 PM MDT | Special Weather Statement | TFX | Musselshell | 43 min |
| Aug 9, 1:39 PM MDT | Special Weather Statement | MSO | Flathead | 51 min |
| Aug 9, 2:52 PM MDT | Special Weather Statement | BYZ | Sweet Grass | 53 min |
| Aug 9, 3:04 PM MDT | Special Weather Statement | BYZ | Golden Valley | 41 min |
| Aug 9, 3:08 PM MDT | Special Weather Statement | BYZ | Wheatland | 37 min |
| Aug 9, 3:34 PM MDT | Special Weather Statement | TFX | Cascade | 41 min |
| Aug 9, 3:47 PM MDT | Special Weather Statement | BYZ | Golden Valley | 43 min |
| Aug 9, 4:20 PM MDT | Special Weather Statement | TFX | Cascade | 40 min |
| Aug 9, 5:11 PM MDT | Special Weather Statement | BYZ | Yellowstone | 49 min |
| Aug 9, 5:47 PM MDT | Special Weather Statement | BYZ | Big Horn | 58 min |
| Aug 9, 6:25 PM MDT | Special Weather Statement | BYZ | Big Horn | 65 min |
| Aug 9, 7:19 PM MDT | Special Weather Statement | BYZ | Big Horn | 56 min |
| Aug 10, 5:28 PM MDT | Special Weather Statement | TFX | Broadwater | 47 min |
| Aug 10, 6:50 PM MDT | Special Weather Statement | MSO | Flathead | 40 min |
| Aug 10, 8:26 PM MDT | Special Weather Statement | MSO | Flathead | 49 min |
| Aug 10, 10:04 PM MDT | Special Weather Statement | TFX | Teton | 41 min |
| Aug 11, 1:00 PM MDT | Special Weather Statement | BYZ | Sweet Grass | 60 min |
| Aug 11, 1:25 PM MDT | Special Weather Statement | TFX | Blaine | 65 min |
| Aug 11, 1:41 PM MDT | Special Weather Statement | TFX | Teton | 34 min |
| Aug 11, 1:49 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 56 min |
| Aug 11, 2:04 PM MDT | Special Weather Statement | GGW | Roosevelt | 56 min |
| Aug 11, 2:25 PM MDT | Special Weather Statement | BYZ | Stillwater | 50 min |
| Aug 11, 2:33 PM MDT | Special Weather Statement | BYZ | Golden Valley | 57 min |
| Aug 11, 2:37 PM MDT | Special Weather Statement | TFX | Blaine | 53 min |
| Aug 11, 2:42 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 63 min |
| Aug 11, 2:53 PM MDT | Special Weather Statement | BYZ | Yellowstone | 37 min |
| Aug 11, 3:00 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 14 min |
| Aug 11, 3:16 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone | 59 min |
| Aug 11, 3:29 PM MDT | Special Weather Statement | BYZ | Big Horn | 61 min |
| Aug 11, 3:33 PM MDT | Special Weather Statement | GGW | Valley | 57 min |
| Aug 11, 3:40 PM MDT | Mesoscale Discussion | SPC | Daniels, Dawson, Garfield, McCone, Phillips, Prairie and 3 more | 95 min |
| Aug 11, 3:48 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 57 min |
| Aug 11, 3:52 PM MDT | Special Weather Statement | BYZ | Yellowstone | 23 min |
| Aug 11, 3:58 PM MDT | Special Weather Statement | GGW | Phillips | 62 min |
| Aug 11, 3:59 PM MDT | Special Weather Statement | GGW | Prairie | 31 min |
| Aug 11, 4:00 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Yellowstone | 60 min |
| Aug 11, 4:03 PM MDT | Special Weather Statement | BYZ | Stillwater | 27 min |
| Aug 11, 4:06 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie | 39 min |
| Aug 11, 4:16 PM MDT | Special Weather Statement | GGW | McCone | 29 min |
| Aug 11, 4:25 PM MDT | Special Weather Statement | TFX | Chouteau | 50 min |
| Aug 11, 4:26 PM MDT | Special Weather Statement | BYZ | Big Horn | 49 min |
| Aug 11, 4:35 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 25 min |
| Aug 11, 4:36 PM MDT | Special Weather Statement | BYZ | Carbon | 54 min |
| Aug 11, 4:37 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 38 min |
| Aug 11, 4:44 PM MDT | Special Weather Statement | GGW | Wibaux | 31 min |
| Aug 11, 4:55 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 35 min |
| Aug 11, 4:56 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 34 min |
| Aug 11, 5:00 PM MDT | Special Weather Statement | GGW | McCone | 60 min |
| Aug 11, 5:04 PM MDT | Severe Thunderstorm Warning | GGW | Prairie, Wibaux | 56 min |
| Aug 11, 5:11 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Fallon | 64 min |
| Aug 11, 5:12 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud | 49 min |
| Aug 11, 5:26 PM MDT | Special Weather Statement | GGW | Valley | 49 min |
| Aug 11, 5:26 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 26 min |
| Aug 11, 5:29 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Powder River | 46 min |
| Aug 11, 5:36 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Hill | 39 min |
| Aug 11, 5:37 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River, Rosebud | 53 min |
| Aug 11, 5:41 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 49 min |
| Aug 11, 6:27 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 48 min |
| Aug 11, 6:49 PM MDT | Special Weather Statement | BYZ | Fallon | 41 min |
| Aug 11, 7:04 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Powder River | 56 min |
| Aug 11, 7:35 PM MDT | Special Weather Statement | BYZ | Carter | 25 min |
| Aug 11, 7:55 PM MDT | Special Weather Statement | BYZ | Carter | 65 min |
| Aug 13, 7:59 PM MDT | Special Weather Statement | MSO | Deer Lodge, Granite, Powell, Ravalli, Silver Bow | 61 min |
| Aug 13, 9:05 PM MDT | Special Weather Statement | MSO | Deer Lodge, Granite, Powell, Ravalli, Silver Bow | 55 min |
| Aug 14, 5:20 PM MDT | Special Weather Statement | GGW | 55 min | |
| Aug 14, 5:23 PM MDT | Special Weather Statement | GGW | 37 min | |
| Aug 14, 5:32 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 28 min |
| Aug 14, 5:38 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 18 min |
| Aug 14, 5:56 PM MDT | Mesoscale Discussion | SPC | Carter, Custer, Daniels, Dawson, Fallon, McCone and 6 more | 94 min |
| Aug 14, 5:58 PM MDT | Special Weather Statement | BYZ | Fallon | 47 min |
| Aug 14, 5:59 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 17 min |
| Aug 14, 6:42 PM MDT | Special Weather Statement | BYZ | Carter | 63 min |
| Aug 14, 6:52 PM MDT | Special Weather Statement | GGW | Wibaux | 53 min |
| Aug 14, 6:58 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Valley | 62 min |
| Aug 14, 7:13 PM MDT | Tornado Warning | GGW | Daniels, Valley | 40 min |
| Aug 14, 7:21 PM MDT | Special Weather Statement | BYZ | Fallon | 39 min |
| Aug 14, 7:21 PM MDT | Special Weather Statement | GGW | Sheridan | 54 min |
| Aug 14, 7:36 PM MDT | Special Weather Statement | GGW | Sheridan | 24 min |
| Aug 14, 7:58 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Valley | 62 min |
| Aug 14, 8:11 PM MDT | Special Weather Statement | GGW | Sheridan | 64 min |
| Aug 14, 8:28 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 15 min |
| Aug 14, 8:54 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 36 min |
| Aug 14, 8:57 PM MDT | Special Weather Statement | TFX | Cascade | 48 min |
| Aug 14, 9:20 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Sheridan | 42 min |
| Aug 14, 9:26 PM MDT | Red Flag Warning | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 6 more | 24 hr |
| Aug 14, 9:47 PM MDT | Red Flag Warning | GGW | Phillips, Valley | 5 hr |
| Aug 14, 9:52 PM MDT | Special Weather Statement | TFX | Cascade | 38 min |
| Aug 14, 10:24 PM MDT | Special Weather Statement | TFX | Judith Basin | 51 min |
| Aug 14, 10:35 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Hill, Liberty, Pondera, Teton | 40 min |
| Aug 14, 10:36 PM MDT | Special Weather Statement | TFX | Chouteau | 39 min |
| Aug 14, 11:14 PM MDT | Special Weather Statement | TFX | Hill | 46 min |
| Aug 15, 1:41 AM MDT | Special Weather Statement | TFX | Madison | 49 min |
| Aug 15, 1:32 PM MDT | Special Weather Statement | TFX | Gallatin | 43 min |
| Aug 15, 1:38 PM MDT | Mesoscale Discussion | SPC | Beaverhead, Broadwater, Carbon, Deer Lodge, Gallatin, Jefferson and 7 more | 2 hr |
| Aug 15, 2:47 PM MDT | Mesoscale Discussion | SPC | Fallon | 58 min |
| Aug 15, 2:54 PM MDT | Special Weather Statement | RIW | Carbon | 36 min |
| Aug 15, 2:57 PM MDT | Special Weather Statement | BYZ | Golden Valley, Wheatland | 48 min |
| Aug 15, 3:00 PM MDT | Special Weather Statement | TFX | Broadwater | 45 min |
| Aug 15, 3:11 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Phillips, Valley | 23 hr |
| Aug 15, 3:44 PM MDT | Special Weather Statement | BYZ | Golden Valley, Musselshell | 61 min |
| Aug 15, 3:45 PM MDT | Special Weather Statement | BYZ | 60 min | |
| Aug 15, 4:13 PM MDT | Special Weather Statement | BYZ | Yellowstone | 62 min |
| Aug 15, 4:23 PM MDT | Severe Thunderstorm Watch | SPC | Carter, Custer, Dawson, Fallon, McCone, Powder River and 3 more | 9 hr |
| Aug 15, 4:44 PM MDT | Special Weather Statement | BYZ | Musselshell | 46 min |
| Aug 15, 4:58 PM MDT | Special Weather Statement | BYZ | Big Horn | 62 min |
| Aug 15, 5:29 PM MDT | Special Weather Statement | BYZ | Treasure | 46 min |
| Aug 15, 5:40 PM MDT | Special Weather Statement | BYZ | Carter | 20 min |
| Aug 15, 6:23 PM MDT | Special Weather Statement | BYZ | Golden Valley, Musselshell | 37 min |
| Aug 15, 6:35 PM MDT | Special Weather Statement | BYZ | Powder River | 55 min |
| Aug 15, 6:52 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 37 min |
| Aug 15, 7:30 PM MDT | Special Weather Statement | BYZ | Carter | 60 min |
| Aug 15, 8:08 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 40 min |
| Aug 15, 8:36 PM MDT | Special Weather Statement | BYZ | Carter | 54 min |
| Aug 15, 8:37 PM MDT | Mesoscale Discussion | SPC | Carter, Custer, Dawson, Fallon, McCone, Powder River and 3 more | 83 min |
| Aug 15, 8:59 PM MDT | Special Weather Statement | BYZ | Fallon | 46 min |
| Aug 15, 9:06 PM MDT | Special Weather Statement | GGW | Valley | 54 min |
| Aug 15, 10:02 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Roosevelt | 47 min |
| Aug 15, 10:07 PM MDT | Special Weather Statement | GGW | Daniels | 53 min |
| Aug 15, 10:21 PM MDT | Special Weather Statement | GGW | Roosevelt | 54 min |
| Aug 16, 3:15 PM MDT | Red Flag Warning | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 11 more | 30 hr |
| Aug 17, 3:00 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Phillips, Valley | 26 hr |
| Aug 19, 6:29 AM MDT | Special Weather Statement | BYZ | Carter | 61 min |
| Aug 19, 7:45 AM MDT | Special Weather Statement | BYZ | Carter | 60 min |
| Aug 19, 3:18 PM MDT | Fire Weather Watch | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 12 more | 48 hr |
| Aug 20, 3:06 PM MDT | Red Flag Warning | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 12 more | 4 days |
| Aug 21, 3:39 AM MDT | Fire Weather Watch | GGW | Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 3 more | 23 hr |
| Aug 21, 1:03 PM MDT | Special Weather Statement | TFX | Beaverhead | 42 min |
| Aug 21, 1:47 PM MDT | Special Weather Statement | TFX | Beaverhead, Madison | 43 min |
| Aug 21, 2:22 PM MDT | Special Weather Statement | TFX | Gallatin | 38 min |
| Aug 21, 2:43 PM MDT | Special Weather Statement | BYZ | Park | 62 min |
| Aug 21, 3:21 PM MDT | Special Weather Statement | MSO | 24 min | |
| Aug 21, 3:32 PM MDT | Special Weather Statement | BYZ | Park, Sweet Grass | 58 min |
| Aug 21, 4:28 PM MDT | Special Weather Statement | BYZ | Stillwater, Sweet Grass | 62 min |
| Aug 21, 4:45 PM MDT | Special Weather Statement | BYZ | Stillwater | 60 min |
| Aug 21, 5:11 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Musselshell, Stillwater, Yellowstone | 64 min |
| Aug 21, 5:21 PM MDT | Special Weather Statement | BYZ | Yellowstone | 54 min |
| Aug 21, 5:34 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Stillwater, Yellowstone | 56 min |
| Aug 21, 6:33 PM MDT | Special Weather Statement | BYZ | Big Horn, Treasure | 57 min |
| Aug 21, 7:06 PM MDT | Special Weather Statement | RIW | Carbon | 39 min |
| Aug 21, 7:23 PM MDT | Special Weather Statement | BYZ | Big Horn | 67 min |
| Aug 21, 7:33 PM MDT | Special Weather Statement | BYZ | 57 min | |
| Aug 21, 7:34 PM MDT | Special Weather Statement | TFX | Beaverhead | 41 min |
| Aug 21, 7:35 PM MDT | Special Weather Statement | GGW | Valley | 55 min |
| Aug 21, 7:38 PM MDT | Special Weather Statement | GGW | Garfield | 67 min |
| Aug 21, 8:28 PM MDT | Special Weather Statement | BYZ | 62 min | |
| Aug 21, 8:30 PM MDT | Special Weather Statement | BYZ | Prairie | 60 min |
| Aug 21, 9:10 PM MDT | Special Weather Statement | BYZ | Custer | 65 min |
| Aug 21, 10:16 PM MDT | Special Weather Statement | BYZ | Fallon | 59 min |
| Aug 21, 10:19 PM MDT | Special Weather Statement | BYZ | Carter | 56 min |
| Aug 21, 11:16 PM MDT | Special Weather Statement | BYZ | Carter | 44 min |
| Aug 22, 2:53 AM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 17 hr |
| Aug 22, 2:35 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 30 hr |
| Aug 22, 2:39 PM MDT | Red Flag Warning | BYZ | Big Horn, Carter, Custer, Fallon, Golden Valley, Musselshell and 7 more | 30 hr |
| Aug 22, 2:52 PM MDT | High Wind Warning | TFX | 21 hr | |
| Aug 23, 2:48 AM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 18 hr |
| Aug 24, 2:11 PM MDT | Fire Weather Watch | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 13 hr |
| Aug 24, 2:32 PM MDT | Fire Weather Watch | BYZ | Big Horn, Carbon, Gallatin, Golden Valley, Madison, Musselshell and 5 more | 13 hr |
| Aug 24, 2:45 PM MDT | Fire Weather Watch | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 12 more | 13 hr |
| Aug 24, 3:02 PM MDT | Fire Weather Watch | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Lewis and Clark, Madison and 4 more | 13 hr |
| Aug 24, 6:34 PM MDT | Special Weather Statement | BYZ | Carbon | 56 min |
| Aug 24, 7:33 PM MDT | Special Weather Statement | BYZ | Yellowstone | 57 min |
| Aug 25, 12:46 AM MDT | Special Weather Statement | MSO | Missoula | 44 min |
| Aug 25, 3:04 AM MDT | Red Flag Warning | BYZ | Big Horn, Carbon, Custer, Gallatin, Golden Valley, Madison and 9 more | 18 hr |
| Aug 25, 3:35 AM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 17 hr |
| Aug 25, 3:36 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 17 hr |
| Aug 25, 3:54 AM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Lewis and Clark, Madison and 4 more | 16 hr |
| Aug 25, 4:12 AM MDT | Red Flag Warning | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 12 more | 17 hr |
| Aug 25, 2:08 PM MDT | Special Weather Statement | TFX | Cascade | 52 min |
| Aug 25, 2:26 PM MDT | Special Weather Statement | RIW | Carbon | 34 min |
| Aug 25, 2:27 PM MDT | Special Weather Statement | TFX | Broadwater | 48 min |
| Aug 25, 3:51 PM MDT | Special Weather Statement | TFX | Meagher | 39 min |
| Aug 25, 4:15 PM MDT | Special Weather Statement | TFX | 60 min | |
| Aug 25, 4:49 PM MDT | Special Weather Statement | MSO | Deer Lodge | 56 min |
| Aug 25, 5:15 PM MDT | Special Weather Statement | TFX | 30 min | |
| Aug 25, 5:28 PM MDT | Special Weather Statement | MSO | Deer Lodge | 32 min |
| Aug 25, 5:31 PM MDT | Special Weather Statement | TFX | 29 min | |
| Aug 25, 5:36 PM MDT | Special Weather Statement | MSO | Ravalli | 9 min |
| Aug 25, 5:51 PM MDT | Special Weather Statement | TFX | Deer Lodge | 54 min |
| Aug 25, 6:06 PM MDT | Special Weather Statement | TFX | Jefferson | 39 min |
| Aug 25, 6:43 PM MDT | Special Weather Statement | TFX | Jefferson | 62 min |
| Aug 26, 2:21 PM MDT | Special Weather Statement | RIW | Carbon | 39 min |
| Aug 26, 2:52 PM MDT | Special Weather Statement | TFX | Beaverhead | 38 min |
| Aug 26, 3:31 PM MDT | Fire Weather Watch | TFX | Blaine, Chouteau, Fergus, Hill, Phillips | 13 hr |
| Aug 26, 3:31 PM MDT | Red Flag Warning | TFX | Cascade, Fergus, Glacier, Judith Basin, Lewis and Clark, Liberty and 4 more | 29 hr |
| Aug 26, 3:38 PM MDT | Special Weather Statement | BYZ | Stillwater | 37 min |
| Aug 26, 3:44 PM MDT | Special Weather Statement | TFX | Gallatin | 46 min |
| Aug 26, 3:53 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon, Stillwater | 37 min |
| Aug 26, 3:54 PM MDT | Mesoscale Discussion | SPC | Broadwater, Carbon, Cascade, Chouteau, Deer Lodge, Fergus and 20 more | 96 min |
| Aug 26, 4:26 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Broadwater, Carbon, Cascade, Chouteau, Fergus and 20 more | 5 hr |
| Aug 26, 4:39 PM MDT | Special Weather Statement | BYZ | Carbon | 51 min |
| Aug 26, 5:21 PM MDT | Special Weather Statement | TFX | Gallatin, Madison | 39 min |
| Aug 26, 5:42 PM MDT | Special Weather Statement | TFX | Hill | 48 min |
| Aug 26, 6:00 PM MDT | Special Weather Statement | BYZ | Carbon | 30 min |
| Aug 26, 6:04 PM MDT | Special Weather Statement | RIW | Carbon | 41 min |
| Aug 26, 6:13 PM MDT | Special Weather Statement | BYZ | Yellowstone | 62 min |
| Aug 26, 6:52 PM MDT | Special Weather Statement | TFX | Fergus | 53 min |
| Aug 26, 7:18 PM MDT | Special Weather Statement | BYZ | Big Horn | 72 min |
| Aug 26, 7:26 PM MDT | Special Weather Statement | TFX | 64 min | |
| Aug 26, 7:47 PM MDT | Special Weather Statement | TFX | Petroleum | 28 min |
| Aug 26, 7:54 PM MDT | Special Weather Statement | GGW | Petroleum | 66 min |
| Aug 26, 8:29 PM MDT | Special Weather Statement | GGW | 61 min | |
| Aug 26, 8:42 PM MDT | Special Weather Statement | TFX | 18 min | |
| Aug 26, 9:14 PM MDT | Special Weather Statement | GGW | 61 min | |
| Aug 26, 9:17 PM MDT | Special Weather Statement | GGW | Valley | 58 min |
| Aug 26, 9:26 PM MDT | Special Weather Statement | BYZ | Treasure | 49 min |
| Aug 26, 10:02 PM MDT | Special Weather Statement | GGW | Valley | 58 min |
| Aug 26, 10:19 PM MDT | Special Weather Statement | GGW | Valley | 56 min |
| Aug 26, 10:47 PM MDT | Special Weather Statement | BYZ | Custer | 58 min |
| Aug 26, 10:50 PM MDT | Special Weather Statement | GGW | Roosevelt | 55 min |
| Aug 27, 6:30 PM MDT | Mesoscale Discussion | SPC | Daniels, Richland, Roosevelt, Sheridan, Valley | 90 min |
| Aug 27, 8:12 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 63 min |
| Aug 27, 9:06 PM MDT | Special Weather Statement | GGW | Sheridan | 54 min |
| Aug 27, 9:10 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Sheridan | 65 min |
| Aug 27, 9:52 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt, Sheridan | 53 min |
| Aug 27, 10:40 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt | 20 min |
| Aug 28, 2:52 AM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 2 more | 26 hr |
| Aug 29, 3:10 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Phillips, Valley | 16 hr |
| Aug 29, 12:56 PM MDT | Special Weather Statement | MSO | Deer Lodge | 34 min |
| Aug 29, 12:58 PM MDT | Special Weather Statement | BYZ | Stillwater | 62 min |
| Aug 29, 1:16 PM MDT | Special Weather Statement | BYZ | Golden Valley | 59 min |
| Aug 29, 1:43 PM MDT | Special Weather Statement | BYZ | Carbon | 62 min |
| Aug 29, 1:45 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon, Stillwater, Yellowstone | 60 min |
| Aug 29, 1:52 PM MDT | Mesoscale Discussion | SPC | Big Horn, Carbon, Fergus, Golden Valley, Musselshell, Petroleum and 3 more | 83 min |
| Aug 29, 2:03 PM MDT | Special Weather Statement | BYZ | Golden Valley | 57 min |
| Aug 29, 2:16 PM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Lewis and Clark, Madison and 4 more | 30 hr |
| Aug 29, 2:29 PM MDT | Special Weather Statement | BYZ | Carbon | 61 min |
| Aug 29, 2:34 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Carter, Custer, Garfield, Musselshell, Petroleum and 4 more | 6 hr |
| Aug 29, 2:39 PM MDT | Special Weather Statement | TFX | Meagher | 51 min |
| Aug 29, 2:44 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Yellowstone | 61 min |
| Aug 29, 2:48 PM MDT | Fire Weather Watch | TFX | Cascade, Fergus, Glacier, Judith Basin, Lewis and Clark, Liberty and 4 more | 13 hr |
| Aug 29, 2:50 PM MDT | Special Weather Statement | BYZ | Yellowstone | 55 min |
| Aug 29, 3:21 PM MDT | Special Weather Statement | BYZ | Musselshell | 39 min |
| Aug 29, 3:25 PM MDT | Special Weather Statement | TFX | Broadwater | 65 min |
| Aug 29, 3:33 PM MDT | Special Weather Statement | BYZ | Yellowstone | 27 min |
| Aug 29, 3:41 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Rosebud, Yellowstone | 51 min |
| Aug 29, 3:45 PM MDT | Special Weather Statement | BYZ | Stillwater | 30 min |
| Aug 29, 3:46 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Treasure, Yellowstone | 28 min |
| Aug 29, 4:38 PM MDT | Special Weather Statement | BYZ | Golden Valley | 37 min |
| Aug 29, 4:40 PM MDT | Special Weather Statement | BYZ | Treasure | 65 min |
| Aug 29, 5:00 PM MDT | Special Weather Statement | BYZ | Rosebud | 45 min |
| Aug 29, 5:09 PM MDT | Mesoscale Discussion | SPC | Custer, Powder River, Rosebud | 96 min |
| Aug 29, 5:21 PM MDT | Special Weather Statement | TFX | Fergus | 54 min |
| Aug 29, 5:52 PM MDT | Special Weather Statement | BYZ | Powder River | 53 min |
| Aug 29, 6:00 PM MDT | Special Weather Statement | BYZ | Rosebud | 60 min |
| Aug 29, 6:30 PM MDT | Special Weather Statement | TFX | Fergus | 45 min |
| Aug 29, 6:42 PM MDT | Special Weather Statement | BYZ | Powder River | 63 min |
| Aug 29, 7:01 PM MDT | Special Weather Statement | BYZ | Custer | 59 min |
| Aug 29, 7:40 PM MDT | Special Weather Statement | BYZ | Carter | 50 min |
| Aug 30, 4:05 AM MDT | Red Flag Warning | TFX | Broadwater, Cascade, Fergus, Gallatin, Glacier, Jefferson and 8 more | 18 hr |
| Aug 30, 11:33 AM MDT | Winter Weather Advisory | MSO | Flathead, Lake | 48 hr |
| Aug 30, 2:43 PM MDT | Winter Weather Advisory | TFX | 45 hr | |
| Aug 30, 3:26 PM MDT | Red Flag Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Gallatin and 11 more | 30 hr |
| Aug 30, 8:40 PM MDT | Special Weather Statement | TFX | Meagher | 50 min |
| Aug 30, 9:31 PM MDT | Special Weather Statement | TFX | Judith Basin | 59 min |
| Aug 31, 12:19 AM MDT | Special Weather Statement | GGW | Petroleum | 56 min |
| Aug 31, 12:52 AM MDT | Special Weather Statement | GGW | Phillips | 53 min |
| Aug 31, 1:46 AM MDT | Special Weather Statement | GGW | McCone, Valley | 59 min |
| Aug 31, 2:17 AM MDT | Special Weather Statement | TFX | Lewis and Clark | 58 min |
| Aug 31, 2:29 AM MDT | Special Weather Statement | TFX | Cascade | 61 min |
| Aug 31, 2:53 AM MDT | Special Weather Statement | GGW | Daniels | 67 min |
| Aug 31, 3:33 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 32 hr |
| Aug 31, 12:42 PM MDT | Special Weather Statement | BYZ | Stillwater | 63 min |
| Aug 31, 1:22 PM MDT | Special Weather Statement | BYZ | Carbon | 38 min |
| Aug 31, 1:55 PM MDT | Special Weather Statement | BYZ | Sweet Grass | 35 min |
| Aug 31, 2:00 PM MDT | Special Weather Statement | BYZ | Yellowstone | 60 min |
| Aug 31, 2:15 PM MDT | Special Weather Statement | TFX | Broadwater | 45 min |
| Aug 31, 2:20 PM MDT | Mesoscale Discussion | SPC | Carbon, Garfield, Golden Valley, McCone, Musselshell, Park and 7 more | 115 min |
| Aug 31, 2:28 PM MDT | Special Weather Statement | TFX | Madison | 47 min |
| Aug 31, 2:51 PM MDT | Special Weather Statement | BYZ | Wheatland | 54 min |
| Aug 31, 3:03 PM MDT | Special Weather Statement | BYZ | Yellowstone | 57 min |
| Aug 31, 3:19 PM MDT | Special Weather Statement | TFX | Meagher | 26 min |
| Aug 31, 3:36 PM MDT | Special Weather Statement | BYZ | Golden Valley | 54 min |
| Aug 31, 3:36 PM MDT | Special Weather Statement | TFX | Fergus | 39 min |
| Aug 31, 3:50 PM MDT | Special Weather Statement | TFX | Meagher | 25 min |
| Aug 31, 3:56 PM MDT | Special Weather Statement | BYZ | Wheatland | 64 min |
| Aug 31, 4:02 PM MDT | Special Weather Statement | BYZ | Treasure | 43 min |
| Aug 31, 4:14 PM MDT | Special Weather Statement | TFX | Fergus | 31 min |
| Aug 31, 4:31 PM MDT | Special Weather Statement | TFX | Judith Basin | 44 min |
| Aug 31, 4:38 PM MDT | Special Weather Statement | BYZ | Wheatland | 67 min |
| Aug 31, 5:03 PM MDT | Special Weather Statement | BYZ | Custer | 57 min |
| Aug 31, 5:15 PM MDT | Special Weather Statement | BYZ | Custer | 60 min |
| Aug 31, 5:32 PM MDT | Special Weather Statement | BYZ | Rosebud | 58 min |
| Aug 31, 5:50 PM MDT | Special Weather Statement | BYZ | Custer | 25 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 | 62 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 5 |
| Mesoscale Discussion | 14 |
| Special Weather Statement | 279 |
| Flooding | |
| Flash Flood Warning | 1 |
| Flash Flood Watch | 1 |
| Winter | |
| Winter Weather Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 1 |
| Lake Wind Advisory | 8 |
| Fire | |
| Red Flag Warning | 16 |
| Fire Weather Watch | 8 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Carter County34
- Valley County34
- Yellowstone County34
- Big Horn County33
- Phillips County30
- McCone County27
- Carbon County27
- Cascade County24
- Daniels County22
- Custer County22
- Fallon County22
- Wibaux County22
- Powder River County22
- Broadwater County20
- Gallatin County20
- Dawson County20
- Garfield County20
- Prairie County20
- Golden Valley County20
- Stillwater County20
- Rosebud County19
- Jefferson County19
- Fergus County19
- Sheridan County18
- Meagher County18
- Richland County18
- Treasure County18
- Roosevelt County17
- Lewis and Clark County17
- Madison County16
- Judith Basin County16
- Petroleum County16
- Musselshell County16
- Sweet Grass County15
- Chouteau County15
- Wheatland County14
- Teton County14
- Powell County13
- Deer Lodge County13
- Hill County12
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.