Alert archive / Montana / Severe Thunderstorm Warnings / 2018
Severe Thunderstorm Warnings in Montana, June 2018
126 severe thunderstorm warnings in June 2018. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in June 2018. Tap one for its archive.
- Severe Thunderstorm Warnings
- 126
- Busiest day
- June 29, 201824 severe thunderstorm warnings
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 6:14 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 61 min |
| May 31, 6:20 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead, Gallatin, Madison | 40 min |
| May 31, 6:21 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 54 min |
| May 31, 6:59 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin | 14 min |
| May 31, 7:01 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud | 42 min |
| May 31, 7:03 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Musselshell | 42 min |
| May 31, 7:10 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Rosebud | 65 min |
| May 31, 7:27 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 46 min |
| May 31, 8:41 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Rosebud | 64 min |
| May 31, 8:51 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Custer | 54 min |
| May 31, 9:55 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 50 min |
| Jun 1, 10:28 AM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 47 min |
| Jun 1, 11:14 AM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud, Treasure | 61 min |
| Jun 1, 12:08 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 67 min |
| Jun 1, 12:53 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 67 min |
| Jun 1, 1:01 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 44 min |
| Jun 1, 1:37 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Prairie | 53 min |
| Jun 1, 2:15 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Prairie | 60 min |
| Jun 1, 3:27 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 48 min |
| Jun 1, 4:03 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt, Sheridan | 57 min |
| Jun 4, 4:38 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum, Phillips, Valley | 34 min |
| Jun 4, 4:42 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Fergus, Judith Basin | 33 min |
| Jun 4, 4:55 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Musselshell | 35 min |
| Jun 4, 4:57 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 33 min |
| Jun 4, 5:28 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 32 min |
| Jun 4, 5:57 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 33 min |
| Jun 4, 6:09 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Fergus, Judith Basin | 36 min |
| Jun 4, 7:02 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Rosebud, Treasure, Yellowstone | 34 min |
| Jun 4, 7:33 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Judith Basin | 27 min |
| Jun 4, 7:56 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 34 min |
| Jun 4, 8:56 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum, Phillips | 44 min |
| Jun 5, 5:59 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 46 min |
| Jun 6, 6:56 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 34 min |
| Jun 6, 6:57 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Powder River, Rosebud | 63 min |
| Jun 6, 8:04 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 56 min |
| Jun 6, 11:04 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie, Wibaux | 26 min |
| Jun 7, 9:59 AM MDT | Severe Thunderstorm Warning | TFX | Fergus | 46 min |
| Jun 7, 10:16 AM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 44 min |
| Jun 7, 4:09 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Carbon | 51 min |
| Jun 7, 4:28 PM MDT | Severe Thunderstorm Warning | TFX | Liberty, Toole | 32 min |
| Jun 7, 4:53 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Treasure | 52 min |
| Jun 7, 4:57 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 63 min |
| Jun 7, 4:58 PM MDT | Severe Thunderstorm Warning | TFX | Liberty, Toole | 32 min |
| Jun 7, 5:07 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 23 min |
| Jun 7, 5:27 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Treasure, Yellowstone | 48 min |
| Jun 7, 5:28 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud | 47 min |
| Jun 7, 5:38 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud | 37 min |
| Jun 7, 5:54 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 66 min |
| Jun 7, 6:14 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Powder River, Rosebud | 61 min |
| Jun 7, 6:19 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 56 min |
| Jun 7, 6:26 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 34 min |
| Jun 7, 6:41 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 49 min |
| Jun 7, 7:00 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 60 min |
| Jun 7, 7:12 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Prairie, Richland | 63 min |
| Jun 7, 7:33 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 42 min |
| Jun 7, 7:48 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Richland, Roosevelt | 27 min |
| Jun 7, 8:05 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Prairie, Richland | 43 min |
| Jun 7, 8:08 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Richland, Roosevelt | 67 min |
| Jun 7, 8:12 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 63 min |
| Jun 7, 8:43 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Sheridan | 62 min |
| Jun 7, 8:57 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Richland, Roosevelt | 36 min |
| Jun 7, 9:03 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Richland, Roosevelt, Sheridan | 46 min |
| Jun 7, 9:32 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Sheridan | 35 min |
| Jun 7, 9:38 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 40 min |
| Jun 8, 5:50 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud | 22 min |
| Jun 8, 7:13 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 47 min |
| Jun 8, 7:59 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 46 min |
| Jun 8, 8:44 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 46 min |
| Jun 9, 2:37 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark, Pondera, Teton | 23 min |
| Jun 9, 3:27 PM MDT | Severe Thunderstorm Warning | MSO | Granite, Powell | 33 min |
| Jun 9, 5:27 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 63 min |
| Jun 9, 6:35 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Fergus, Judith Basin | 40 min |
| Jun 9, 7:30 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 30 min |
| Jun 9, 8:15 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 30 min |
| Jun 9, 10:47 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 43 min |
| Jun 14, 8:30 AM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Sheridan | 45 min |
| Jun 14, 9:46 AM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Sheridan | 14 min |
| Jun 15, 5:49 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Powder River, Rosebud | 56 min |
| Jun 16, 4:39 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon, Stillwater | 36 min |
| Jun 16, 5:10 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon | 32 min |
| Jun 19, 3:56 PM MDT | Severe Thunderstorm Warning | BYZ | Treasure | 49 min |
| Jun 21, 4:17 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 43 min |
| Jun 21, 4:56 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 64 min |
| Jun 21, 5:42 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 28 min |
| Jun 25, 7:04 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Teton | 26 min |
| Jun 25, 7:17 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Judith Basin, Teton | 28 min |
| Jun 25, 8:22 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Fergus, Judith Basin | 23 min |
| Jun 25, 8:42 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Fergus, Judith Basin | 33 min |
| Jun 25, 8:49 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Liberty, Pondera, Teton | 26 min |
| Jun 26, 4:51 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Carbon, Stillwater, Yellowstone | 54 min |
| Jun 26, 10:40 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 35 min |
| Jun 28, 2:56 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin, Meagher | 34 min |
| Jun 28, 3:55 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 20 min |
| Jun 28, 3:59 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 47 min |
| Jun 28, 4:08 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 37 min |
| Jun 28, 4:09 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 66 min |
| Jun 28, 4:11 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum | 64 min |
| Jun 28, 4:28 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 20 min |
| Jun 28, 5:03 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 27 min |
| Jun 28, 5:13 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Powder River | 62 min |
| Jun 28, 5:25 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 29 min |
| Jun 28, 5:30 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 60 min |
| Jun 28, 6:09 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Roosevelt, Valley | 66 min |
| Jun 28, 6:14 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 61 min |
| Jun 28, 6:15 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass | 30 min |
| Jun 28, 6:30 PM MDT | Severe Thunderstorm Warning | BYZ | Park | 30 min |
| Jun 28, 6:31 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Garfield, McCone, Prairie | 59 min |
| Jun 28, 6:35 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River, Rosebud | 55 min |
| Jun 28, 6:48 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Powder River, Rosebud | 57 min |
| Jun 28, 6:52 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 53 min |
| Jun 28, 6:54 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Stillwater, Sweet Grass | 36 min |
| Jun 28, 6:54 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland | 66 min |
| Jun 28, 7:05 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Richland, Roosevelt | 55 min |
| Jun 28, 7:06 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Custer, Fallon | 39 min |
| Jun 28, 7:11 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 64 min |
| Jun 28, 7:29 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River | 61 min |
| Jun 28, 7:33 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie | 57 min |
| Jun 28, 7:42 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt | 48 min |
| Jun 28, 7:44 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River, Rosebud | 61 min |
| Jun 28, 7:44 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland, Wibaux | 61 min |
| Jun 28, 8:25 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Custer, Powder River | 65 min |
| Jun 28, 8:29 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 61 min |
| Jun 28, 8:53 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Treasure | 33 min |
| Jun 28, 9:26 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Custer, Fallon, Powder River | 79 min |
| Jun 28, 10:18 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Powder River, Rosebud | 57 min |
| Jun 28, 10:41 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 34 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Big Horn County20
- Rosebud County19
- Powder River County17
- Carter County15
- Fergus County15
- Judith Basin County13
- Richland County12
- Roosevelt County12
- Custer County11
- McCone County11
- Dawson County11
- Musselshell County10
- Prairie County8
- Chouteau County8
- Sheridan County7
- Treasure County6
- Garfield County6
- Petroleum County6
- Carbon County4
- Daniels County4
- Teton County4
- Golden Valley County3
- Yellowstone County3
- Cascade County3
- Liberty County3
- Stillwater County3
- Gallatin County2
- Phillips County2
- Valley County2
- Wibaux County2
- Toole County2
- Pondera County2
- Sweet Grass County2
- Fallon County2
- Beaverhead County1
- Madison County1
- Lewis and Clark County1
- Granite County1
- Powell County1
- Blaine County1
2 more counties
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.