Alert archive / Montana / 2018
Weather alerts in Montana, August 2018
220 weather alerts in August 2018, 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 2018. Tap one for its archive.
- Alerts
- 220
- Warnings
- 35
- Watches
- 9
- Advisories
- 18
- Busiest day
- August 3, 201833 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, 8:43 PM MDT | Special Weather Statement | MSO | Silver Bow | 47 min |
| Aug 1, 4:19 AM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 1 more | 17 hr |
| Aug 1, 5:03 AM MDT | Red Flag Warning | TFX | Glacier, Liberty, Pondera, Toole | 16 hr |
| Aug 1, 11:03 AM MDT | Red Flag Warning | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 12 more | 59 hr |
| Aug 1, 11:26 AM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 59 hr |
| Aug 1, 12:04 PM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Flathead, Glacier, Granite, Jefferson and 10 more | 34 hr |
| Aug 1, 1:15 PM MDT | Special Weather Statement | BYZ | Park | 30 min |
| Aug 1, 1:43 PM MDT | Special Weather Statement | BYZ | Carbon | 47 min |
| Aug 1, 8:46 PM MDT | Special Weather Statement | BYZ | Wheatland | 29 min |
| Aug 1, 9:46 PM MDT | Special Weather Statement | TFX | Fergus | 44 min |
| Aug 2, 3:36 AM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 1 more | 42 hr |
| Aug 2, 3:48 AM MDT | Lake Wind Advisory | MSO | Flathead, Lake, Sanders | 7 hr |
| Aug 2, 1:27 PM MDT | Special Weather Statement | BYZ | Sweet Grass | 33 min |
| Aug 2, 1:57 PM MDT | Special Weather Statement | BYZ | Stillwater | 63 min |
| Aug 2, 2:29 PM MDT | Special Weather Statement | RIW | Carbon | 31 min |
| Aug 2, 2:32 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon, Stillwater, Yellowstone | 28 min |
| Aug 2, 2:40 PM MDT | Mesoscale Discussion | SPC | Beaverhead, Big Horn, Carbon, Gallatin, Madison, Park and 3 more | 2 hr |
| Aug 2, 2:46 PM MDT | Special Weather Statement | BYZ | Carbon | 44 min |
| Aug 2, 2:57 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon, Stillwater, Yellowstone | 48 min |
| Aug 2, 3:35 PM MDT | Special Weather Statement | BYZ | Carbon | 40 min |
| Aug 2, 3:42 PM MDT | Special Weather Statement | BYZ | Yellowstone | 48 min |
| Aug 2, 4:06 PM MDT | Special Weather Statement | BYZ | Big Horn | 24 min |
| Aug 2, 4:23 PM MDT | Special Weather Statement | TFX | Broadwater | 37 min |
| Aug 2, 4:28 PM MDT | Special Weather Statement | BYZ | Big Horn | 47 min |
| Aug 2, 4:58 PM MDT | Special Weather Statement | TFX | Judith Basin | 47 min |
| Aug 2, 5:31 PM MDT | Special Weather Statement | BYZ | Park | 59 min |
| Aug 2, 5:35 PM MDT | Special Weather Statement | TFX | Gallatin | 40 min |
| Aug 2, 5:58 PM MDT | Severe Thunderstorm Warning | BYZ | Park | 50 min |
| Aug 2, 6:52 PM MDT | Special Weather Statement | BYZ | Golden Valley | 38 min |
| Aug 2, 7:26 PM MDT | Special Weather Statement | BYZ | Golden Valley | 34 min |
| Aug 2, 7:51 PM MDT | Special Weather Statement | BYZ | Yellowstone | 39 min |
| Aug 2, 7:59 PM MDT | Special Weather Statement | BYZ | Treasure | 46 min |
| Aug 2, 10:05 PM MDT | Special Weather Statement | BYZ | Rosebud, Treasure | 55 min |
| Aug 2, 10:32 PM MDT | Special Weather Statement | GGW | Prairie | 58 min |
| Aug 2, 11:02 PM MDT | Special Weather Statement | BYZ | Custer | 58 min |
| Aug 3, 12:08 AM MDT | Special Weather Statement | BYZ | Custer | 52 min |
| Aug 3, 12:59 PM MDT | Special Weather Statement | TFX | Madison | 46 min |
| Aug 3, 1:34 PM MDT | Special Weather Statement | BYZ | Park | 41 min |
| Aug 3, 1:40 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau | 35 min |
| Aug 3, 1:45 PM MDT | Special Weather Statement | TFX | Gallatin | 45 min |
| Aug 3, 1:48 PM MDT | Mesoscale Discussion | SPC | Big Horn, Carbon, Gallatin, Madison, Park, Stillwater and 2 more | 117 min |
| Aug 3, 2:14 PM MDT | Special Weather Statement | BYZ | Park, Sweet Grass | 46 min |
| Aug 3, 2:58 PM MDT | Special Weather Statement | BYZ | Stillwater | 47 min |
| Aug 3, 2:59 PM MDT | Special Weather Statement | BYZ | Park | 46 min |
| Aug 3, 3:13 PM MDT | Special Weather Statement | TFX | Judith Basin | 17 min |
| Aug 3, 3:18 PM MDT | Special Weather Statement | TFX | Judith Basin | 42 min |
| Aug 3, 3:21 PM MDT | Special Weather Statement | TFX | Gallatin | 39 min |
| Aug 3, 3:39 PM MDT | Special Weather Statement | TFX | Blaine, Fergus | 51 min |
| Aug 3, 3:44 PM MDT | Special Weather Statement | BYZ | Park | 46 min |
| Aug 3, 3:52 PM MDT | Special Weather Statement | BYZ | Stillwater | 23 min |
| Aug 3, 4:10 PM MDT | Special Weather Statement | TFX | Fergus | 50 min |
| Aug 3, 4:13 PM MDT | Special Weather Statement | BYZ | Yellowstone | 47 min |
| Aug 3, 4:18 PM MDT | Special Weather Statement | BYZ | Carbon | 42 min |
| Aug 3, 4:31 PM MDT | Special Weather Statement | BYZ | Stillwater | 29 min |
| Aug 3, 4:42 PM MDT | Special Weather Statement | GGW | Petroleum | 33 min |
| Aug 3, 4:45 PM MDT | Special Weather Statement | TFX | Fergus | 45 min |
| Aug 3, 4:51 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Carbon, Yellowstone | 39 min |
| Aug 3, 5:26 PM MDT | Special Weather Statement | GGW | Garfield, Petroleum | 64 min |
| Aug 3, 5:26 PM MDT | Special Weather Statement | TFX | Teton | 19 min |
| Aug 3, 5:27 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Custer, Powder River, Rosebud, Treasure | 63 min |
| Aug 3, 5:45 PM MDT | Special Weather Statement | BYZ | Yellowstone | 30 min |
| Aug 3, 6:10 PM MDT | Special Weather Statement | BYZ | Rosebud, Treasure | 50 min |
| Aug 3, 6:28 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Carter, Custer, Fallon, Powder River, Rosebud and 1 more | 62 min |
| Aug 3, 6:33 PM MDT | Special Weather Statement | BYZ | Big Horn | 57 min |
| Aug 3, 6:41 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Powder River | 49 min |
| Aug 3, 7:02 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 28 min |
| Aug 3, 7:12 PM MDT | Special Weather Statement | GGW | Dawson, Prairie | 78 min |
| Aug 3, 7:23 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Prairie, Wibaux | 52 min |
| Aug 3, 7:28 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Custer, Fallon, Powder River | 92 min |
| Aug 3, 8:09 PM MDT | Special Weather Statement | BYZ | Custer | 51 min |
| Aug 3, 8:27 PM MDT | Special Weather Statement | GGW | Dawson, Prairie, Wibaux | 93 min |
| Aug 3, 9:00 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Fallon | 30 min |
| Aug 4, 4:23 PM MDT | Special Weather Statement | GGW | Valley | 52 min |
| Aug 4, 5:02 PM MDT | Special Weather Statement | GGW | Valley | 58 min |
| Aug 4, 5:29 PM MDT | Special Weather Statement | GGW | Valley | 76 min |
| Aug 4, 6:06 PM MDT | Special Weather Statement | GGW | McCone | 69 min |
| Aug 4, 7:23 PM MDT | Special Weather Statement | GGW | McCone | 52 min |
| Aug 5, 1:27 PM MDT | Special Weather Statement | BYZ | Carbon | 48 min |
| Aug 5, 1:44 PM MDT | Special Weather Statement | BYZ | Wheatland | 46 min |
| Aug 5, 2:07 PM MDT | Special Weather Statement | BYZ | Wheatland | 38 min |
| Aug 5, 2:44 PM MDT | Special Weather Statement | MSO | Jefferson | 46 min |
| Aug 5, 3:13 PM MDT | Special Weather Statement | TFX | Wheatland | 32 min |
| Aug 5, 3:18 PM MDT | Special Weather Statement | TFX | Jefferson | 27 min |
| Aug 5, 3:21 PM MDT | Special Weather Statement | TFX | Broadwater | 24 min |
| Aug 5, 3:22 PM MDT | Special Weather Statement | BYZ | Sweet Grass | 38 min |
| Aug 5, 3:26 PM MDT | Special Weather Statement | TFX | 34 min | |
| Aug 5, 3:53 PM MDT | Special Weather Statement | TFX | 22 min | |
| Aug 5, 3:56 PM MDT | Areal Flood Advisory | BYZ | Sweet Grass | 3 hr |
| Aug 5, 3:56 PM MDT | Special Weather Statement | TFX | Teton | 19 min |
| Aug 5, 3:59 PM MDT | Special Weather Statement | TFX | Broadwater | 31 min |
| Aug 5, 4:06 PM MDT | Special Weather Statement | TFX | Broadwater | 24 min |
| Aug 5, 4:26 PM MDT | Special Weather Statement | TFX | Teton | 34 min |
| Aug 5, 4:43 PM MDT | Special Weather Statement | TFX | Broadwater | 32 min |
| Aug 5, 5:07 PM MDT | Special Weather Statement | TFX | Gallatin | 23 min |
| Aug 5, 5:57 PM MDT | Special Weather Statement | GGW | Roosevelt | 63 min |
| Aug 5, 6:35 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt | 40 min |
| Aug 5, 7:07 PM MDT | Special Weather Statement | GGW | Garfield | 38 min |
| Aug 5, 7:56 PM MDT | Special Weather Statement | GGW | Garfield | 64 min |
| Aug 5, 8:05 PM MDT | Special Weather Statement | GGW | Richland | 40 min |
| Aug 5, 8:13 PM MDT | Areal Flood Advisory | GGW | Valley | 107 min |
| Aug 5, 8:18 PM MDT | Special Weather Statement | TFX | Fergus | 27 min |
| Aug 7, 2:46 PM MDT | Heat Advisory | MSO | Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 3 more | 3 days |
| Aug 8, 3:09 AM MDT | Heat Advisory | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 48 hr |
| Aug 8, 3:11 AM MDT | Fire Weather Watch | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 3 days |
| Aug 8, 3:25 AM MDT | Fire Weather Watch | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 12 more | 36 hr |
| Aug 8, 3:29 AM MDT | Heat Advisory | TFX | 4 days | |
| Aug 8, 2:13 PM MDT | Fire Weather Watch | MSO | Beaverhead, Deer Lodge, Flathead, Glacier, Granite, Jefferson and 10 more | 24 hr |
| Aug 9, 3:01 AM MDT | Heat Advisory | GGW | Garfield, Petroleum, Phillips, Valley | 18 hr |
| Aug 9, 3:51 AM MDT | Excessive Heat Warning | BYZ | Big Horn, Carter, Custer, Fallon, Musselshell, Powder River and 2 more | 4 days |
| Aug 9, 2:23 PM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Flathead, Glacier, Granite, Jefferson and 10 more | 3 days |
| Aug 9, 2:34 PM MDT | Heat Advisory | BYZ | Carbon, Golden Valley, Park, Stillwater, Sweet Grass, Wheatland | 55 hr |
| Aug 9, 2:46 PM MDT | Fire Weather Watch | GGW | Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 3 more | 48 hr |
| Aug 9, 2:50 PM MDT | Fire Weather Watch | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Gallatin and 11 more | 37 hr |
| Aug 9, 3:02 PM MDT | Red Flag Warning | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 12 more | 3 days |
| Aug 9, 3:07 PM MDT | Excessive Heat Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 54 hr |
| Aug 10, 3:21 AM MDT | Red Flag Warning | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 18 hr |
| Aug 11, 3:28 AM MDT | Red Flag Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Gallatin and 11 more | 42 hr |
| Aug 11, 3:31 AM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 19 hr |
| Aug 11, 2:49 PM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 30 hr |
| Aug 11, 2:53 PM MDT | Excessive Heat Warning | GGW | Dawson, McCone, Prairie, Richland, Roosevelt, Sheridan and 1 more | 30 hr |
| Aug 11, 4:27 PM MDT | Special Weather Statement | MSO | Lincoln | 48 min |
| Aug 11, 5:07 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 23 min |
| Aug 11, 5:28 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 47 min |
| Aug 11, 7:10 PM MDT | Special Weather Statement | TFX | Broadwater | 35 min |
| Aug 11, 7:44 PM MDT | Special Weather Statement | TFX | Cascade | 46 min |
| Aug 11, 8:23 PM MDT | Special Weather Statement | TFX | Chouteau | 37 min |
| Aug 11, 8:39 PM MDT | Special Weather Statement | TFX | Fergus | 36 min |
| Aug 11, 8:56 PM MDT | Special Weather Statement | TFX | Chouteau | 34 min |
| Aug 11, 9:52 PM MDT | Special Weather Statement | TFX | Blaine, Hill | 38 min |
| Aug 11, 10:34 PM MDT | Special Weather Statement | BYZ | Yellowstone | 56 min |
| Aug 11, 11:12 PM MDT | Special Weather Statement | BYZ | Carbon | 18 min |
| Aug 11, 11:29 PM MDT | Special Weather Statement | BYZ | Carbon, Yellowstone | 46 min |
| Aug 12, 12:14 AM MDT | Special Weather Statement | BYZ | Big Horn, Treasure | 61 min |
| Aug 12, 3:30 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 18 hr |
| Aug 12, 4:43 AM MDT | Special Weather Statement | TFX | Toole | 47 min |
| Aug 12, 5:04 PM MDT | Special Weather Statement | BYZ | Powder River | 41 min |
| Aug 12, 5:34 PM MDT | Special Weather Statement | BYZ | Big Horn | 41 min |
| Aug 12, 6:13 PM MDT | Special Weather Statement | BYZ | Big Horn | 32 min |
| Aug 12, 7:42 PM MDT | Special Weather Statement | BYZ | 48 min | |
| Aug 14, 10:20 AM MDT | Special Weather Statement | BYZ | Yellowstone | 40 min |
| Aug 14, 2:39 PM MDT | Special Weather Statement | BYZ | Big Horn | 51 min |
| Aug 15, 2:14 PM MDT | Fire Weather Watch | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Powell, Ravalli and 1 more | 32 hr |
| Aug 15, 2:14 PM MDT | Fire Weather Watch | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Lewis and Clark, Madison and 4 more | 24 hr |
| Aug 15, 2:19 PM MDT | Fire Weather Watch | TFX | Broadwater, Cascade, Fergus, Gallatin, Jefferson, Judith Basin and 5 more | 25 hr |
| Aug 15, 2:27 PM MDT | Fire Weather Watch | BYZ | Gallatin, Madison, Park, Sweet Grass, Wheatland | 25 hr |
| Aug 16, 2:26 PM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Lewis and Clark, Madison and 4 more | 37 hr |
| Aug 16, 3:01 PM MDT | Red Flag Warning | TFX | Broadwater, Cascade, Fergus, Gallatin, Jefferson, Judith Basin and 5 more | 33 hr |
| Aug 16, 3:06 PM MDT | Red Flag Warning | BYZ | Gallatin, Madison, Park, Sweet Grass, Wheatland | 31 hr |
| Aug 17, 1:41 PM MDT | Mesoscale Discussion | SPC | Beaverhead, Ravalli | 2 hr |
| Aug 17, 2:41 PM MDT | Special Weather Statement | MSO | Ravalli | 34 min |
| Aug 17, 3:18 PM MDT | Special Weather Statement | MSO | Ravalli | 27 min |
| Aug 17, 4:18 PM MDT | Special Weather Statement | TFX | Beaverhead, Madison | 57 min |
| Aug 17, 5:09 PM MDT | Special Weather Statement | TFX | Jefferson | 51 min |
| Aug 17, 5:12 PM MDT | Special Weather Statement | TFX | 48 min | |
| Aug 17, 6:10 PM MDT | Special Weather Statement | TFX | Gallatin | 35 min |
| Aug 17, 6:15 PM MDT | Special Weather Statement | TFX | 30 min | |
| Aug 17, 6:22 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 23 min |
| Aug 17, 6:24 PM MDT | Special Weather Statement | TFX | Jefferson | 36 min |
| Aug 17, 6:35 PM MDT | Special Weather Statement | BYZ | Park | 55 min |
| Aug 17, 6:44 PM MDT | Special Weather Statement | TFX | Broadwater | 31 min |
| Aug 17, 7:09 PM MDT | Special Weather Statement | TFX | Gallatin | 36 min |
| Aug 17, 7:40 PM MDT | Special Weather Statement | BYZ | Sweet Grass | 50 min |
| Aug 17, 7:58 PM MDT | Special Weather Statement | TFX | Cascade, Teton | 62 min |
| Aug 17, 8:28 PM MDT | Special Weather Statement | BYZ | Golden Valley, Stillwater, Sweet Grass, Wheatland | 62 min |
| Aug 17, 9:30 PM MDT | Special Weather Statement | BYZ | Golden Valley, Wheatland | 60 min |
| Aug 17, 10:30 PM MDT | Special Weather Statement | BYZ | Musselshell, Yellowstone | 60 min |
| Aug 17, 11:33 PM MDT | Special Weather Statement | BYZ | Big Horn, Treasure | 57 min |
| Aug 18, 10:22 AM MDT | Dense Smoke Advisory | GGW | Phillips, Valley | 11 hr |
| Aug 18, 3:44 PM MDT | Special Weather Statement | MSO | Powell | 31 min |
| Aug 19, 9:27 AM MDT | Lake Wind Advisory | MSO | Flathead, Lake, Sanders | 18 hr |
| Aug 19, 7:27 PM MDT | Special Weather Statement | TFX | Jefferson | 33 min |
| Aug 20, 3:33 AM MDT | Wind Advisory | MSO | Flathead, Lake, Sanders | 14 hr |
| Aug 20, 6:37 AM MDT | Special Weather Statement | BYZ | Yellowstone | 38 min |
| Aug 20, 7:25 AM MDT | Special Weather Statement | BYZ | Yellowstone | 50 min |
| Aug 20, 2:03 PM MDT | Special Weather Statement | TFX | Beaverhead | 42 min |
| Aug 20, 2:23 PM MDT | Special Weather Statement | MSO | Ravalli | 37 min |
| Aug 20, 3:08 PM MDT | Special Weather Statement | TFX | Beaverhead | 52 min |
| Aug 20, 3:39 PM MDT | Special Weather Statement | TFX | Beaverhead | 51 min |
| Aug 20, 3:53 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead | 37 min |
| Aug 20, 4:24 PM MDT | Special Weather Statement | TFX | Beaverhead | 51 min |
| Aug 20, 4:28 PM MDT | Special Weather Statement | MSO | Ravalli | 32 min |
| Aug 20, 4:38 PM MDT | Mesoscale Discussion | SPC | Beaverhead | 2 hr |
| Aug 20, 5:10 PM MDT | Special Weather Statement | TFX | Madison | 50 min |
| Aug 20, 5:35 PM MDT | Lake Wind Advisory | MSO | Flathead, Lake, Sanders | 9 hr |
| Aug 20, 5:40 PM MDT | Special Weather Statement | TFX | Beaverhead | 50 min |
| Aug 20, 6:14 PM MDT | Special Weather Statement | TFX | Beaverhead | 31 min |
| Aug 20, 6:23 PM MDT | Special Weather Statement | TFX | Gallatin | 37 min |
| Aug 20, 7:02 PM MDT | Special Weather Statement | TFX | Beaverhead | 43 min |
| Aug 20, 7:57 PM MDT | Special Weather Statement | TFX | Madison | 48 min |
| Aug 20, 8:59 PM MDT | Special Weather Statement | TFX | 46 min | |
| Aug 22, 8:11 AM MDT | Special Weather Statement | BYZ | Big Horn, Treasure, Yellowstone | 2 hr |
| Aug 22, 5:31 PM MDT | Special Weather Statement | MSO | Ravalli | 44 min |
| Aug 22, 8:43 PM MDT | Special Weather Statement | BYZ | Powder River | 62 min |
| Aug 22, 9:40 PM MDT | Special Weather Statement | BYZ | Carbon, Stillwater | 50 min |
| Aug 23, 12:06 AM MDT | Special Weather Statement | BYZ | Custer | 39 min |
| Aug 23, 6:14 AM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie, Wibaux | 61 min |
| Aug 23, 6:47 AM MDT | Flash Flood Warning | GGW | Prairie | 3 hr |
| Aug 23, 7:15 AM MDT | Special Weather Statement | GGW | Wibaux | 60 min |
| Aug 23, 8:30 AM MDT | Red Flag Warning | TFX | Glacier, Lewis and Clark, Liberty, Pondera, Teton, Toole | 12 hr |
| Aug 23, 5:54 PM MDT | Special Weather Statement | BYZ | Carter | 51 min |
| Aug 24, 2:51 PM MDT | Special Weather Statement | TFX | Madison | 24 min |
| Aug 24, 3:01 PM MDT | Special Weather Statement | BYZ | Park | 59 min |
| Aug 24, 4:04 PM MDT | Special Weather Statement | BYZ | Park | 41 min |
| Aug 24, 4:06 PM MDT | Special Weather Statement | TFX | Madison | 39 min |
| Aug 24, 4:08 PM MDT | Special Weather Statement | BYZ | Golden Valley, Stillwater | 22 min |
| Aug 24, 4:33 PM MDT | Special Weather Statement | BYZ | Golden Valley, Musselshell, Stillwater | 27 min |
| Aug 24, 4:54 PM MDT | Special Weather Statement | BYZ | Yellowstone | 36 min |
| Aug 24, 5:09 PM MDT | Special Weather Statement | GGW | Petroleum | 66 min |
| Aug 24, 6:16 PM MDT | Special Weather Statement | GGW | Garfield | 59 min |
| Aug 24, 6:47 PM MDT | Special Weather Statement | BYZ | Yellowstone | 43 min |
| Aug 24, 7:36 PM MDT | Special Weather Statement | BYZ | Yellowstone | 39 min |
| Aug 24, 8:10 PM MDT | Special Weather Statement | BYZ | 50 min | |
| Aug 26, 4:12 AM MDT | Winter Weather Advisory | BYZ | Carbon, Park, Stillwater, Sweet Grass | 53 hr |
| Aug 26, 2:26 PM MDT | Winter Weather Advisory | MSO | Flathead, Lake | 23 hr |
| Aug 26, 2:51 PM MDT | Winter Weather Advisory | TFX | 30 hr | |
| Aug 26, 2:52 PM MDT | Mesoscale Discussion | SPC | Sheridan | 113 min |
| Aug 29, 2:44 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 27 hr |
| Aug 30, 3:20 PM MDT | Special Weather Statement | BYZ | Yellowstone | 40 min |
| Aug 30, 3:40 PM MDT | Special Weather Statement | BYZ | Sweet Grass | 50 min |
| Aug 31, 3:07 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 29 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 | 15 |
| Mesoscale Discussion | 5 |
| Special Weather Statement | 153 |
| Flooding | |
| Flash Flood Warning | 1 |
| Areal Flood Advisory | 2 |
| Winter | |
| Winter Weather Advisory | 3 |
| Heat | |
| Excessive Heat Warning | 3 |
| Heat Advisory | 5 |
| Wind and dust | |
| Lake Wind Advisory | 6 |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 16 |
| Fire Weather Watch | 9 |
| Fog and smoke | |
| Dense Smoke Advisory | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Yellowstone County22
- Beaverhead County20
- Madison County19
- Jefferson County18
- Gallatin County18
- Park County18
- Carbon County18
- Big Horn County18
- Valley County17
- Stillwater County16
- Powell County15
- Phillips County15
- Garfield County15
- McCone County15
- Sweet Grass County15
- Lewis and Clark County14
- Petroleum County14
- Prairie County13
- Ravalli County13
- Broadwater County12
- Fergus County11
- Dawson County11
- Wibaux County11
- Wheatland County11
- Treasure County11
- Custer County11
- Teton County10
- Silver Bow County9
- Granite County9
- Richland County9
- Roosevelt County9
- Flathead County9
- Lake County9
- Golden Valley County9
- Powder River County9
- Deer Lodge County8
- Glacier County8
- Cascade County8
- Judith Basin County8
- Sheridan County8
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.