Alert archive / Montana / Severe Thunderstorm Warnings / 2024
Severe Thunderstorm Warnings in Montana, August 2024
149 severe thunderstorm warnings in August 2024. 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 August 2024. Tap one for its archive.
- Severe Thunderstorm Warnings
- 149
- Busiest day
- August 23, 202421 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 |
|---|---|---|---|---|
| Aug 4, 7:41 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Yellowstone | 34 min |
| Aug 4, 8:12 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Yellowstone | 33 min |
| Aug 4, 8:41 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Treasure, Yellowstone | 49 min |
| Aug 4, 9:27 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud, Treasure | 63 min |
| Aug 6, 4:32 PM MDT | Severe Thunderstorm Warning | BYZ | Stillwater, Yellowstone | 43 min |
| Aug 6, 5:14 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Yellowstone | 61 min |
| Aug 6, 5:17 PM MDT | Severe Thunderstorm Warning | TFX | Glacier | 43 min |
| Aug 6, 5:19 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin | 11 min |
| Aug 6, 5:27 PM MDT | Severe Thunderstorm Warning | BYZ | Park, Sweet Grass | 37 min |
| Aug 6, 5:27 PM MDT | Severe Thunderstorm Warning | TFX | Glacier | 48 min |
| Aug 6, 5:30 PM MDT | Severe Thunderstorm Warning | TFX | Glacier | 30 min |
| Aug 6, 5:39 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 36 min |
| Aug 6, 5:48 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Rosebud | 57 min |
| Aug 6, 5:58 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 16 min |
| Aug 6, 6:02 PM MDT | Severe Thunderstorm Warning | MSO | Granite, Missoula, Ravalli | 28 min |
| Aug 6, 6:05 PM MDT | Severe Thunderstorm Warning | TFX | Glacier, Toole | 25 min |
| Aug 6, 6:07 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 38 min |
| Aug 6, 6:09 PM MDT | Severe Thunderstorm Warning | TFX | Glacier | 51 min |
| Aug 6, 6:20 PM MDT | Severe Thunderstorm Warning | MSO | Granite, Ravalli | 25 min |
| Aug 6, 6:41 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Lewis and Clark | 19 min |
| Aug 6, 6:45 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 30 min |
| Aug 6, 6:45 PM MDT | Severe Thunderstorm Warning | TFX | Glacier, Pondera | 45 min |
| Aug 6, 7:04 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon, Stillwater, Sweet Grass | 41 min |
| Aug 6, 7:23 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Teton | 52 min |
| Aug 6, 7:43 PM MDT | Severe Thunderstorm Warning | TFX | Glacier, Pondera, Teton, Toole | 47 min |
| Aug 6, 8:23 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Teton | 52 min |
| Aug 6, 9:02 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau | 43 min |
| Aug 10, 1:50 PM MDT | Severe Thunderstorm Warning | TFX | Jefferson | 40 min |
| Aug 10, 1:56 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater | 49 min |
| Aug 10, 4:53 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 37 min |
| Aug 10, 5:27 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 33 min |
| Aug 10, 5:54 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead, Madison | 51 min |
| Aug 12, 3:20 PM MDT | Severe Thunderstorm Warning | TFX | Glacier, Pondera, Toole | 25 min |
| Aug 12, 3:44 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Toole | 31 min |
| Aug 12, 3:48 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 27 min |
| Aug 12, 4:10 PM MDT | Severe Thunderstorm Warning | BYZ | Park, Sweet Grass | 35 min |
| Aug 12, 4:44 PM MDT | Severe Thunderstorm Warning | TFX | Liberty, Toole | 31 min |
| Aug 12, 4:47 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 28 min |
| Aug 12, 5:15 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 30 min |
| Aug 12, 5:16 PM MDT | Severe Thunderstorm Warning | TFX | Hill, Liberty | 29 min |
| Aug 12, 8:28 PM MDT | Severe Thunderstorm Warning | BYZ | Rosebud | 16 min |
| Aug 15, 4:31 PM MDT | Severe Thunderstorm Warning | MSO | Ravalli | 44 min |
| Aug 15, 5:17 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead, Madison | 43 min |
| Aug 16, 2:44 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Toole | 31 min |
| Aug 16, 3:15 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Toole | 45 min |
| Aug 16, 5:01 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River, Rosebud | 44 min |
| Aug 16, 7:59 PM MDT | Severe Thunderstorm Warning | GGW | Garfield | 61 min |
| Aug 16, 8:56 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 19 min |
| Aug 18, 5:14 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead | 31 min |
| Aug 18, 5:40 PM MDT | Severe Thunderstorm Warning | MSO | Granite, Missoula, Ravalli | 35 min |
| Aug 18, 6:03 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark, Teton | 27 min |
| Aug 18, 6:06 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 39 min |
| Aug 18, 6:29 PM MDT | Severe Thunderstorm Warning | TFX | Teton | 46 min |
| Aug 18, 6:35 PM MDT | Severe Thunderstorm Warning | MSO | Lake, Missoula, Sanders | 40 min |
| Aug 18, 7:16 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau | 44 min |
| Aug 18, 7:30 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 28 min |
| Aug 18, 7:54 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 36 min |
| Aug 18, 8:00 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 45 min |
| Aug 18, 8:04 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Lewis and Clark, Teton | 26 min |
| Aug 18, 8:41 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 34 min |
| Aug 19, 2:24 AM MDT | Severe Thunderstorm Warning | GGW | Phillips | 66 min |
| Aug 19, 2:52 AM MDT | Severe Thunderstorm Warning | TFX | Blaine | 23 min |
| Aug 19, 3:24 AM MDT | Severe Thunderstorm Warning | GGW | Phillips | 66 min |
| Aug 19, 9:51 AM MDT | Severe Thunderstorm Warning | GGW | Garfield | 28 min |
| Aug 19, 4:10 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 35 min |
| Aug 19, 4:30 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 30 min |
| Aug 19, 4:35 PM MDT | Severe Thunderstorm Warning | TFX | Gallatin | 40 min |
| Aug 19, 5:51 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Jefferson, Lewis and Clark | 24 min |
| Aug 19, 5:55 PM MDT | Severe Thunderstorm Warning | MSO | Lake, Missoula, Sanders | 20 min |
| Aug 19, 6:27 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Fergus, Judith Basin | 33 min |
| Aug 19, 6:55 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 50 min |
| Aug 19, 6:59 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Teton | 31 min |
| Aug 19, 7:13 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Teton | 47 min |
| Aug 19, 7:18 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Toole | 57 min |
| Aug 19, 7:39 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 51 min |
| Aug 19, 7:49 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Fergus | 41 min |
| Aug 19, 7:54 PM MDT | Severe Thunderstorm Warning | TFX | Glacier, Liberty, Pondera, Toole | 66 min |
| Aug 19, 8:09 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Hill, Liberty | 51 min |
| Aug 19, 8:12 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 48 min |
| Aug 19, 8:35 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Liberty, Toole | 25 min |
| Aug 19, 8:56 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Chouteau, Hill, Liberty, Toole | 64 min |
| Aug 20, 2:03 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead, Madison | 42 min |
| Aug 20, 2:24 PM MDT | Severe Thunderstorm Warning | TFX | Madison | 36 min |
| Aug 20, 2:47 PM MDT | Severe Thunderstorm Warning | TFX | Madison | 43 min |
| Aug 20, 4:05 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Gallatin, Madison, Meagher | 25 min |
| Aug 20, 4:33 PM MDT | Severe Thunderstorm Warning | BYZ | Park, Sweet Grass | 42 min |
| Aug 20, 6:45 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Yellowstone | 30 min |
| Aug 20, 9:16 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Phillips, Valley | 59 min |
| Aug 20, 10:15 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 60 min |
| Aug 21, 4:28 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Valley | 62 min |
| Aug 21, 5:45 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau | 45 min |
| Aug 21, 7:07 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Roosevelt, Valley | 38 min |
| Aug 21, 7:20 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, McCone, Richland, Roosevelt | 55 min |
| Aug 21, 7:22 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 23 min |
| Aug 21, 7:29 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie | 61 min |
| Aug 21, 7:36 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 24 min |
| Aug 21, 7:42 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Rosebud | 33 min |
| Aug 21, 7:49 PM MDT | Severe Thunderstorm Warning | GGW | McCone, Richland, Roosevelt | 56 min |
| Aug 21, 7:52 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 23 min |
| Aug 21, 7:55 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 35 min |
| Aug 21, 8:05 PM MDT | Severe Thunderstorm Warning | GGW | Prairie | 25 min |
| Aug 21, 8:05 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Fergus | 50 min |
| Aug 21, 8:10 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 35 min |
| Aug 21, 8:15 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 60 min |
| Aug 21, 8:25 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Prairie, Wibaux | 48 min |
| Aug 21, 8:34 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Richland, Roosevelt, Sheridan | 71 min |
| Aug 21, 8:40 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 35 min |
| Aug 21, 9:30 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Fallon | 30 min |
| Aug 21, 9:44 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Roosevelt, Sheridan | 31 min |
| Aug 21, 9:55 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Fallon | 35 min |
| Aug 21, 10:06 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 24 min |
| Aug 23, 1:19 AM MDT | Severe Thunderstorm Warning | TFX | Beaverhead, Madison | 41 min |
| Aug 23, 1:56 AM MDT | Severe Thunderstorm Warning | TFX | Beaverhead, Madison | 64 min |
| Aug 23, 1:47 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead, Madison | 43 min |
| Aug 23, 2:22 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead, Madison | 38 min |
| Aug 23, 3:17 PM MDT | Severe Thunderstorm Warning | MSO | Granite, Missoula, Ravalli | 28 min |
| Aug 23, 3:38 PM MDT | Severe Thunderstorm Warning | MSO | Sanders | 37 min |
| Aug 23, 3:41 PM MDT | Severe Thunderstorm Warning | MSO | Granite, Missoula, Ravalli | 34 min |
| Aug 23, 3:51 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead, Madison | 39 min |
| Aug 23, 4:09 PM MDT | Severe Thunderstorm Warning | MSO | Lake, Mineral, Missoula, Sanders | 36 min |
| Aug 23, 4:09 PM MDT | Severe Thunderstorm Warning | TFX | Jefferson, Lewis and Clark | 36 min |
| Aug 23, 4:32 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead, Gallatin, Madison | 43 min |
| Aug 23, 4:40 PM MDT | Severe Thunderstorm Warning | MSO | Lake, Missoula, Sanders | 35 min |
| Aug 23, 4:45 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Lewis and Clark | 30 min |
| Aug 23, 4:56 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 34 min |
| Aug 23, 4:59 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Lewis and Clark, Teton | 31 min |
| Aug 23, 5:04 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Judith Basin, Teton | 26 min |
| Aug 23, 5:13 PM MDT | Severe Thunderstorm Warning | MSO | Flathead, Lake, Lincoln, Sanders | 32 min |
| Aug 23, 5:23 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Cascade, Chouteau, Fergus, Judith Basin | 67 min |
| Aug 23, 5:26 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Valley | 19 min |
| Aug 23, 5:27 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Glacier, Lewis and Clark, Liberty, Pondera and 2 more | 63 min |
| Aug 23, 5:52 PM MDT | Severe Thunderstorm Warning | TFX | Pondera, Teton, Toole | 38 min |
| Aug 23, 6:11 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Chouteau, Glacier, Hill, Liberty, Pondera and 1 more | 64 min |
| Aug 23, 6:13 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Valley | 32 min |
| Aug 23, 6:16 PM MDT | Severe Thunderstorm Warning | TFX | Blaine, Chouteau, Fergus, Hill | 59 min |
| Aug 23, 7:00 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Valley | 30 min |
| Aug 23, 7:26 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Valley | 49 min |
| Aug 23, 8:21 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Valley | 24 min |
| Aug 24, 4:40 PM MDT | Severe Thunderstorm Warning | GGW | Daniels | 50 min |
| Aug 24, 5:25 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Sheridan | 65 min |
| Aug 24, 5:35 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Sheridan | 40 min |
| Aug 24, 6:05 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Sheridan | 55 min |
| Aug 24, 7:38 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Sheridan | 67 min |
| Aug 24, 8:24 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 27 min |
| Aug 24, 10:35 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone | 40 min |
| Aug 24, 11:04 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, McCone, Roosevelt, Valley | 56 min |
| Aug 24, 11:51 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Dawson, Garfield, McCone, Richland, Roosevelt and 2 more | 69 min |
| Aug 25, 12:52 AM MDT | Severe Thunderstorm Warning | GGW | Daniels, McCone, Richland, Roosevelt, Sheridan | 53 min |
| Aug 25, 1:41 AM MDT | Severe Thunderstorm Warning | GGW | Daniels, Sheridan | 49 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Chouteau County21
- Daniels County15
- Toole County14
- Pondera County13
- Lewis and Clark County12
- Teton County12
- Madison County12
- Valley County12
- Glacier County11
- Missoula County11
- Cascade County11
- Beaverhead County10
- Sheridan County10
- Big Horn County9
- Liberty County8
- Custer County8
- McCone County8
- Roosevelt County8
- Rosebud County7
- Ravalli County7
- Fergus County7
- Richland County7
- Yellowstone County6
- Sanders County6
- Blaine County6
- Granite County5
- Judith Basin County5
- Hill County5
- Garfield County5
- Lake County5
- Gallatin County4
- Sweet Grass County4
- Phillips County4
- Dawson County4
- Park County3
- Jefferson County3
- Broadwater County3
- Carter County3
- Prairie County3
- Treasure County2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20232025
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.