Alert archive / Montana / 2023
Weather alerts in Montana, September 2023
149 weather alerts in September 2023, 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 September 2023. Tap one for its archive.
- Alerts
- 149
- Warnings
- 8
- Watches
- 5
- Advisories
- 18
- Busiest day
- September 8, 202332 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 |
|---|---|---|---|---|
| Sep 1, 12:07 AM MDT | Special Weather Statement | TFX | Beaverhead | 38 min |
| Sep 1, 1:08 AM MDT | Special Weather Statement | TFX | Jefferson, Madison | 52 min |
| Sep 1, 4:51 PM MDT | Special Weather Statement | BYZ | Park | 39 min |
| Sep 1, 5:08 PM MDT | Special Weather Statement | TFX | 37 min | |
| Sep 1, 5:54 PM MDT | Special Weather Statement | TFX | Gallatin | 36 min |
| Sep 1, 6:27 PM MDT | Special Weather Statement | TFX | 33 min | |
| Sep 3, 1:18 PM MDT | Special Weather Statement | MSO | Silver Bow | 27 min |
| Sep 3, 2:24 PM MDT | Special Weather Statement | TFX | Broadwater, Jefferson | 51 min |
| Sep 3, 2:29 PM MDT | Special Weather Statement | TFX | Jefferson | 46 min |
| Sep 3, 3:07 PM MDT | Special Weather Statement | TFX | Broadwater | 38 min |
| Sep 3, 3:49 PM MDT | Special Weather Statement | TFX | Meagher | 41 min |
| Sep 3, 3:52 PM MDT | Special Weather Statement | BYZ | Yellowstone | 38 min |
| Sep 3, 4:30 PM MDT | Special Weather Statement | TFX | Judith Basin, Meagher | 45 min |
| Sep 3, 5:14 PM MDT | Special Weather Statement | TFX | Fergus, Judith Basin | 46 min |
| Sep 3, 5:33 PM MDT | Special Weather Statement | TFX | 27 min | |
| Sep 3, 6:01 PM MDT | Special Weather Statement | TFX | Fergus | 29 min |
| Sep 3, 6:18 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 27 min |
| Sep 3, 6:31 PM MDT | Special Weather Statement | GGW | Valley | 59 min |
| Sep 3, 7:30 PM MDT | Special Weather Statement | GGW | Daniels, Roosevelt, Valley | 60 min |
| Sep 3, 8:31 PM MDT | Special Weather Statement | GGW | Daniels, Roosevelt, Sheridan | 59 min |
| Sep 4, 2:32 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 17 hr |
| Sep 4, 11:30 AM MDT | Dense Smoke Advisory | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 39 hr |
| Sep 4, 2:05 PM MDT | Severe Thunderstorm Watch | SPC | Carter, Powder River | 6 hr |
| Sep 4, 2:28 PM MDT | Special Weather Statement | BYZ | Carter | 47 min |
| Sep 4, 2:50 PM MDT | Special Weather Statement | BYZ | Powder River | 25 min |
| Sep 4, 2:57 PM MDT | Special Weather Statement | BYZ | Powder River | 33 min |
| Sep 4, 4:02 PM MDT | Special Weather Statement | BYZ | Fallon | 43 min |
| Sep 4, 4:21 PM MDT | Special Weather Statement | BYZ | Powder River | 39 min |
| Sep 4, 4:48 PM MDT | Special Weather Statement | BYZ | Fallon | 42 min |
| Sep 4, 5:04 PM MDT | Special Weather Statement | BYZ | Powder River | 26 min |
| Sep 4, 5:05 PM MDT | Special Weather Statement | MSO | Flathead | 25 min |
| Sep 4, 5:29 PM MDT | Special Weather Statement | BYZ | Carter | 46 min |
| Sep 4, 5:31 PM MDT | Special Weather Statement | BYZ | Fallon | 29 min |
| Sep 4, 5:55 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Powder River | 35 min |
| Sep 4, 6:28 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 47 min |
| Sep 4, 7:16 PM MDT | Special Weather Statement | BYZ | Carter | 29 min |
| Sep 6, 4:31 PM MDT | Special Weather Statement | MSO | Lake | 29 min |
| Sep 6, 7:02 PM MDT | Special Weather Statement | MSO | Missoula | 43 min |
| Sep 6, 7:25 PM MDT | Areal Flood Advisory | MSO | Missoula | 73 min |
| Sep 6, 8:16 PM MDT | Special Weather Statement | MSO | Missoula | 44 min |
| Sep 7, 2:03 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 6 hr |
| Sep 7, 4:00 PM MDT | Special Weather Statement | TFX | Broadwater | 45 min |
| Sep 7, 5:04 PM MDT | Special Weather Statement | TFX | Jefferson | 41 min |
| Sep 7, 5:47 PM MDT | Special Weather Statement | BYZ | Sweet Grass | 28 min |
| Sep 7, 11:34 PM MDT | Special Weather Statement | TFX | Jefferson | 26 min |
| Sep 7, 11:54 PM MDT | Special Weather Statement | TFX | Broadwater | 36 min |
| Sep 8, 12:32 AM MDT | Special Weather Statement | TFX | Broadwater | 28 min |
| Sep 8, 2:21 AM MDT | Special Weather Statement | MSO | Missoula | 24 min |
| Sep 8, 2:46 AM MDT | Special Weather Statement | MSO | Missoula | 29 min |
| Sep 8, 3:16 AM MDT | Special Weather Statement | MSO | Missoula | 29 min |
| Sep 8, 3:43 AM MDT | Special Weather Statement | MSO | Powell | 32 min |
| Sep 8, 4:25 AM MDT | Special Weather Statement | TFX | Lewis and Clark | 35 min |
| Sep 8, 5:25 AM MDT | Special Weather Statement | TFX | Cascade | 50 min |
| Sep 8, 6:18 AM MDT | Special Weather Statement | TFX | Chouteau | 57 min |
| Sep 8, 1:10 PM MDT | Special Weather Statement | TFX | Meagher | 50 min |
| Sep 8, 1:46 PM MDT | Special Weather Statement | BYZ | Wheatland | 29 min |
| Sep 8, 2:18 PM MDT | Special Weather Statement | BYZ | Wheatland | 42 min |
| Sep 8, 2:57 PM MDT | Special Weather Statement | BYZ | Golden Valley | 48 min |
| Sep 8, 3:17 PM MDT | Special Weather Statement | TFX | Jefferson | 28 min |
| Sep 8, 3:21 PM MDT | Special Weather Statement | TFX | Jefferson | 24 min |
| Sep 8, 3:22 PM MDT | Special Weather Statement | TFX | Judith Basin | 38 min |
| Sep 8, 3:24 PM MDT | Special Weather Statement | TFX | Judith Basin | 36 min |
| Sep 8, 4:04 PM MDT | Special Weather Statement | TFX | Judith Basin | 41 min |
| Sep 8, 4:06 PM MDT | Special Weather Statement | BYZ | Sweet Grass | 24 min |
| Sep 8, 4:13 PM MDT | Special Weather Statement | TFX | Fergus | 47 min |
| Sep 8, 4:22 PM MDT | Special Weather Statement | BYZ | Yellowstone | 38 min |
| Sep 8, 4:24 PM MDT | Special Weather Statement | TFX | Cascade | 36 min |
| Sep 8, 4:38 PM MDT | Special Weather Statement | TFX | Fergus | 37 min |
| Sep 8, 4:45 PM MDT | Special Weather Statement | TFX | Blaine | 30 min |
| Sep 8, 4:54 PM MDT | Special Weather Statement | TFX | Broadwater | 36 min |
| Sep 8, 4:59 PM MDT | Special Weather Statement | TFX | Cascade | 31 min |
| Sep 8, 5:15 PM MDT | Special Weather Statement | GGW | Phillips | 60 min |
| Sep 8, 5:24 PM MDT | Special Weather Statement | TFX | Blaine | 36 min |
| Sep 8, 5:25 PM MDT | Special Weather Statement | TFX | Blaine | 35 min |
| Sep 8, 5:31 PM MDT | Special Weather Statement | MSO | Powell | 29 min |
| Sep 8, 5:37 PM MDT | Special Weather Statement | TFX | Jefferson | 23 min |
| Sep 8, 6:13 PM MDT | Special Weather Statement | GGW | Phillips | 62 min |
| Sep 8, 6:20 PM MDT | Special Weather Statement | TFX | Judith Basin | 25 min |
| Sep 8, 6:22 PM MDT | Special Weather Statement | BYZ | 38 min | |
| Sep 8, 6:34 PM MDT | Special Weather Statement | TFX | Wheatland | 11 min |
| Sep 8, 6:39 PM MDT | Special Weather Statement | TFX | Blaine | 36 min |
| Sep 8, 7:06 PM MDT | Special Weather Statement | GGW | Valley | 69 min |
| Sep 8, 7:24 PM MDT | Special Weather Statement | TFX | Fergus | 36 min |
| Sep 8, 7:32 PM MDT | Areal Flood Advisory | TFX | Fergus | 118 min |
| Sep 8, 11:41 PM MDT | Special Weather Statement | BYZ | 34 min | |
| Sep 9, 5:11 PM MDT | Special Weather Statement | BYZ | Carbon | 49 min |
| Sep 9, 6:23 PM MDT | Special Weather Statement | BYZ | 37 min | |
| Sep 9, 6:29 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn, Carbon | 31 min |
| Sep 9, 7:01 PM MDT | Special Weather Statement | BYZ | Big Horn | 29 min |
| Sep 9, 7:35 PM MDT | Special Weather Statement | BYZ | Big Horn | 25 min |
| Sep 9, 7:37 PM MDT | Special Weather Statement | BYZ | Big Horn | 23 min |
| Sep 9, 9:43 PM MDT | Special Weather Statement | BYZ | 32 min | |
| Sep 10, 2:01 PM MDT | Special Weather Statement | BYZ | Powder River | 44 min |
| Sep 10, 2:39 PM MDT | Special Weather Statement | BYZ | Powder River | 36 min |
| Sep 12, 6:40 PM MDT | Special Weather Statement | TFX | Broadwater, Gallatin, Jefferson, Madison | 50 min |
| Sep 13, 6:18 PM MDT | Special Weather Statement | TFX | Hill | 42 min |
| Sep 13, 7:24 PM MDT | Special Weather Statement | TFX | Blaine | 51 min |
| Sep 13, 8:19 PM MDT | Special Weather Statement | TFX | Blaine | 41 min |
| Sep 13, 8:31 PM MDT | Special Weather Statement | GGW | Phillips | 29 min |
| Sep 15, 1:26 PM MDT | Fire Weather Watch | TFX | Glacier, Lewis and Clark, Liberty, Pondera, Teton, Toole | 13 hr |
| Sep 15, 1:47 PM MDT | Fire Weather Watch | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 24 hr |
| Sep 16, 2:06 AM MDT | Red Flag Warning | TFX | Blaine, Chouteau, Fergus, Glacier, Hill, Lewis and Clark and 5 more | 67 hr |
| Sep 16, 1:08 PM MDT | Fire Weather Watch | BYZ | Custer, Golden Valley, Musselshell, Rosebud, Stillwater, Sweet Grass and 3 more | 13 hr |
| Sep 16, 1:28 PM MDT | Fire Weather Watch | TFX | Blaine, Chouteau, Fergus, Hill, Phillips | 13 hr |
| Sep 16, 1:38 PM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 55 hr |
| Sep 17, 2:05 AM MDT | Red Flag Warning | BYZ | Custer, Golden Valley, Musselshell, Rosebud, Stillwater, Sweet Grass and 3 more | 43 hr |
| Sep 18, 5:17 PM MDT | Special Weather Statement | BYZ | Park, Sweet Grass | 43 min |
| Sep 18, 6:00 PM MDT | Special Weather Statement | BYZ | Stillwater, Sweet Grass | 45 min |
| Sep 19, 9:40 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 8 hr |
| Sep 20, 11:32 AM MDT | Wind Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Missoula, Powell and 2 more | 22 hr |
| Sep 20, 1:34 PM MDT | Winter Weather Advisory | TFX | Glacier, Lewis and Clark, Pondera, Teton | 28 hr |
| Sep 20, 1:52 PM MDT | Winter Weather Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Missoula, Powell and 2 more | 46 hr |
| Sep 20, 10:04 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 56 hr |
| Sep 21, 9:23 AM MDT | Winter Weather Advisory | BYZ | Carbon, Park, Stillwater, Sweet Grass | 51 hr |
| Sep 21, 9:55 AM MDT | Lake Wind Advisory | MSO | Flathead, Lake, Sanders | 13 hr |
| Sep 21, 5:22 PM MDT | Special Weather Statement | BYZ | 23 min | |
| Sep 21, 6:04 PM MDT | Special Weather Statement | BYZ | Big Horn | 26 min |
| Sep 21, 6:31 PM MDT | Special Weather Statement | BYZ | Big Horn | 44 min |
| Sep 21, 6:41 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 34 min |
| Sep 21, 7:17 PM MDT | Special Weather Statement | GGW | Valley | 58 min |
| Sep 21, 7:18 PM MDT | Special Weather Statement | BYZ | Big Horn | 27 min |
| Sep 21, 8:07 PM MDT | Special Weather Statement | BYZ | Rosebud | 23 min |
| Sep 21, 8:17 PM MDT | Special Weather Statement | BYZ | 28 min | |
| Sep 21, 8:29 PM MDT | Special Weather Statement | BYZ | Rosebud | 31 min |
| Sep 21, 8:44 PM MDT | Special Weather Statement | BYZ | Rosebud | 31 min |
| Sep 22, 1:57 AM MDT | Special Weather Statement | GGW | Garfield | 63 min |
| Sep 23, 11:39 PM MDT | Dense Fog Advisory | GGW | Dawson, Garfield, McCone, Phillips, Valley, Wibaux | 10 hr |
| Sep 24, 5:00 AM MDT | Special Weather Statement | BYZ | Carter, Custer, Fallon, Musselshell, Powder River, Rosebud and 1 more | 3 hr |
| Sep 24, 10:08 AM MDT | Dense Fog Advisory | GGW | Phillips | 112 min |
| Sep 25, 2:12 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 31 hr |
| Sep 27, 3:39 PM MDT | Special Weather Statement | TFX | Cascade | 36 min |
| Sep 27, 3:46 PM MDT | Special Weather Statement | TFX | Liberty | 29 min |
| Sep 27, 4:06 PM MDT | Special Weather Statement | TFX | Chouteau | 24 min |
| Sep 27, 4:21 PM MDT | Special Weather Statement | TFX | Liberty | 24 min |
| Sep 27, 4:30 PM MDT | Special Weather Statement | TFX | Chouteau | 30 min |
| Sep 27, 4:35 PM MDT | Special Weather Statement | TFX | Liberty | 25 min |
| Sep 27, 4:50 PM MDT | Special Weather Statement | TFX | Hill | 25 min |
| Sep 27, 5:01 PM MDT | Special Weather Statement | TFX | Chouteau | 29 min |
| Sep 27, 5:15 PM MDT | Special Weather Statement | TFX | Hill | 30 min |
| Sep 27, 5:34 PM MDT | Special Weather Statement | TFX | 26 min | |
| Sep 27, 5:46 PM MDT | Special Weather Statement | TFX | Hill | 29 min |
| Sep 27, 6:00 PM MDT | Special Weather Statement | TFX | Blaine | 30 min |
| Sep 27, 6:53 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 19 hr |
| Sep 27, 6:59 PM MDT | Special Weather Statement | GGW | Phillips | 61 min |
| Sep 27, 7:26 PM MDT | Special Weather Statement | TFX | Blaine | 34 min |
| Sep 27, 8:17 PM MDT | Special Weather Statement | GGW | Phillips | 58 min |
| Sep 29, 2:16 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 30 hr |
| Sep 30, 8:56 AM MDT | Winter Weather Advisory | TFX | Glacier, Pondera | 18 hr |
| Sep 30, 4:39 PM MDT | Special Weather Statement | TFX | 36 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 | 5 |
| Severe Thunderstorm Watch | 1 |
| Special Weather Statement | 118 |
| Flooding | |
| Areal Flood Advisory | 2 |
| Winter | |
| Winter Weather Advisory | 4 |
| Wind and dust | |
| Lake Wind Advisory | 8 |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 3 |
| Fire Weather Watch | 4 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
| Dense Smoke Advisory | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Phillips County19
- Valley County15
- Garfield County12
- McCone County11
- Petroleum County10
- Blaine County10
- Jefferson County9
- Fergus County9
- Powder River County9
- Missoula County8
- Big Horn County8
- Broadwater County7
- Carter County7
- Sweet Grass County7
- Judith Basin County6
- Chouteau County6
- Hill County6
- Rosebud County6
- Wheatland County5
- Liberty County5
- Yellowstone County4
- Daniels County4
- Roosevelt County4
- Fallon County4
- Flathead County4
- Lake County4
- Powell County4
- Lewis and Clark County4
- Cascade County4
- Glacier County4
- Pondera County4
- Stillwater County4
- Park County3
- Silver Bow County3
- Meagher County3
- Sheridan County3
- Dawson County3
- Wibaux County3
- Golden Valley County3
- Carbon County3
Nearby
Alerts in force nowTornadoes on recordThe radar archive20222024
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.