Alert archive / Montana / Severe Thunderstorm Warnings / 2021
Severe Thunderstorm Warnings in Montana, June 2021
84 severe thunderstorm warnings in June 2021. 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 2021. Tap one for its archive.
- Severe Thunderstorm Warnings
- 84
- Busiest day
- June 10, 202130 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 |
|---|---|---|---|---|
| Jun 4, 4:19 PM MDT | Severe Thunderstorm Warning | TFX | Meagher | 26 min |
| Jun 4, 4:55 PM MDT | Severe Thunderstorm Warning | BYZ | Sweet Grass, Wheatland | 35 min |
| Jun 4, 6:39 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 36 min |
| Jun 4, 8:54 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Garfield, McCone | 66 min |
| Jun 4, 9:30 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin | 33 min |
| Jun 4, 9:34 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Richland | 56 min |
| Jun 4, 9:45 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 45 min |
| Jun 4, 11:41 PM MDT | Severe Thunderstorm Warning | BYZ | Wheatland | 34 min |
| Jun 5, 4:44 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 31 min |
| Jun 8, 4:37 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland, Wibaux | 53 min |
| Jun 8, 5:11 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Valley | 64 min |
| Jun 8, 5:27 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland, Roosevelt, Wibaux | 63 min |
| Jun 8, 5:57 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt | 63 min |
| Jun 8, 6:00 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Valley | 60 min |
| Jun 8, 6:16 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 59 min |
| Jun 8, 6:19 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Valley | 56 min |
| Jun 8, 6:24 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 66 min |
| Jun 8, 6:34 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 26 min |
| Jun 8, 6:38 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Roosevelt, Valley | 67 min |
| Jun 8, 6:50 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Valley | 42 min |
| Jun 8, 6:53 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Sheridan | 56 min |
| Jun 8, 6:58 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 21 min |
| Jun 8, 7:02 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 58 min |
| Jun 8, 7:06 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 24 min |
| Jun 8, 7:12 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone | 63 min |
| Jun 8, 7:20 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Roosevelt, Valley | 55 min |
| Jun 8, 7:31 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Roosevelt, Valley | 59 min |
| Jun 8, 7:45 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Prairie | 45 min |
| Jun 8, 7:52 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 42 min |
| Jun 8, 8:07 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, McCone, Roosevelt | 53 min |
| Jun 8, 8:20 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Garfield, McCone, Prairie, Richland, Valley and 1 more | 55 min |
| Jun 8, 8:57 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Sheridan | 27 min |
| Jun 8, 9:53 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland, Roosevelt, Wibaux | 53 min |
| Jun 9, 6:18 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 42 min |
| Jun 9, 6:55 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 35 min |
| Jun 9, 6:56 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 64 min |
| Jun 9, 7:51 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 54 min |
| Jun 9, 7:53 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Fergus | 37 min |
| Jun 9, 8:28 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Judith Basin | 32 min |
| Jun 9, 8:42 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Fergus | 33 min |
| Jun 9, 8:44 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 61 min |
| Jun 9, 9:04 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Hill | 26 min |
| Jun 9, 9:09 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Fergus | 21 min |
| Jun 9, 9:30 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 45 min |
| Jun 9, 9:32 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum, Phillips | 58 min |
| Jun 9, 9:38 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 40 min |
| Jun 9, 10:25 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum, Phillips | 65 min |
| Jun 9, 10:38 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 67 min |
| Jun 9, 10:48 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 42 min |
| Jun 9, 11:28 PM MDT | Severe Thunderstorm Warning | GGW | Phillips, Valley | 25 min |
| Jun 10, 2:32 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland | 16 min |
| Jun 10, 3:08 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 52 min |
| Jun 10, 3:14 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland, Roosevelt, Sheridan | 61 min |
| Jun 10, 3:27 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum | 63 min |
| Jun 10, 3:31 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Sheridan | 59 min |
| Jun 10, 3:47 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Yellowstone | 43 min |
| Jun 10, 4:05 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum | 55 min |
| Jun 10, 4:23 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 67 min |
| Jun 10, 4:29 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 61 min |
| Jun 10, 4:38 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt, Wibaux | 45 min |
| Jun 10, 5:28 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell, Rosebud | 47 min |
| Jun 10, 5:44 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland, Wibaux | 61 min |
| Jun 10, 5:54 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 66 min |
| Jun 10, 6:40 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland, Wibaux | 65 min |
| Jun 10, 7:03 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 42 min |
| Jun 10, 7:22 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Valley | 53 min |
| Jun 10, 7:30 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Garfield, McCone, Prairie | 60 min |
| Jun 10, 7:42 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland, Wibaux | 40 min |
| Jun 10, 8:09 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Sheridan, Valley | 32 min |
| Jun 10, 8:23 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Richland | 67 min |
| Jun 10, 8:37 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Valley | 33 min |
| Jun 10, 9:03 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Richland, Roosevelt | 57 min |
| Jun 10, 9:15 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt | 60 min |
| Jun 10, 9:48 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Roosevelt, Sheridan | 57 min |
| Jun 14, 8:26 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum | 64 min |
| Jun 14, 9:04 PM MDT | Severe Thunderstorm Warning | BYZ | Musselshell | 41 min |
| Jun 14, 9:26 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Petroleum | 64 min |
| Jun 24, 3:08 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Wibaux | 46 min |
| Jun 24, 4:29 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 31 min |
| Jun 24, 4:55 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 35 min |
| Jun 24, 5:15 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt, Sheridan | 46 min |
| Jun 24, 5:29 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 31 min |
| Jun 24, 5:59 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 31 min |
| Jun 24, 6:22 PM MDT | Severe Thunderstorm Warning | GGW | Petroleum | 37 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Roosevelt County19
- Richland County16
- Dawson County15
- Garfield County15
- Valley County15
- McCone County13
- Phillips County11
- Wibaux County11
- Fergus County9
- Sheridan County8
- Daniels County7
- Blaine County7
- Petroleum County7
- Rosebud County4
- Musselshell County4
- Prairie County3
- Chouteau County3
- Judith Basin County3
- Wheatland County2
- Yellowstone County2
- Custer County2
- Meagher County1
- Sweet Grass County1
- Gallatin County1
- Hill County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.