Alert archive / Montana / 2025
Weather alerts in Montana, September 2025
126 weather alerts in September 2025, 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 2025. Tap one for its archive.
- Alerts
- 126
- Warnings
- 9
- Watches
- 0
- Advisories
- 13
- Busiest day
- September 12, 202529 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 |
|---|---|---|---|---|
| Aug 31, 6:10 PM MDT | Special Weather Statement | MSO | Lincoln | 50 min |
| Sep 1, 5:15 AM MDT | Special Weather Statement | BYZ | Carter, Fallon | 3 hr |
| Sep 3, 10:42 AM MDT | Wind Advisory | MSO | Flathead, Lake, Sanders | 37 hr |
| Sep 3, 12:22 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 33 hr |
| Sep 3, 4:07 PM MDT | High Wind Warning | GGW | Sheridan | 29 hr |
| Sep 7, 5:23 PM MDT | Special Weather Statement | MSO | Ravalli | 52 min |
| Sep 7, 5:36 PM MDT | Special Weather Statement | TFX | Madison | 39 min |
| Sep 7, 6:16 PM MDT | Special Weather Statement | TFX | Madison | 59 min |
| Sep 7, 7:52 PM MDT | Special Weather Statement | TFX | Gallatin | 23 min |
| Sep 7, 8:09 PM MDT | Special Weather Statement | MSO | Missoula | 51 min |
| Sep 7, 9:00 PM MDT | Special Weather Statement | BYZ | Sweet Grass | 45 min |
| Sep 8, 2:52 PM MDT | Special Weather Statement | MSO | Lake | 23 min |
| Sep 8, 3:23 PM MDT | Special Weather Statement | MSO | Lake | 37 min |
| Sep 9, 7:54 PM MDT | Special Weather Statement | TFX | Gallatin | 51 min |
| Sep 9, 10:36 PM MDT | Special Weather Statement | TFX | Cascade | 54 min |
| Sep 10, 5:57 PM MDT | Special Weather Statement | MSO | Ravalli | 48 min |
| Sep 10, 7:27 PM MDT | Special Weather Statement | BYZ | Yellowstone | 48 min |
| Sep 10, 7:35 PM MDT | Special Weather Statement | MSO | Ravalli | 25 min |
| Sep 10, 8:00 PM MDT | Special Weather Statement | MSO | Missoula | 45 min |
| Sep 10, 8:14 PM MDT | Special Weather Statement | BYZ | Yellowstone | 46 min |
| Sep 10, 8:37 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Powder River | 38 min |
| Sep 10, 8:50 PM MDT | Special Weather Statement | BYZ | Big Horn | 40 min |
| Sep 10, 9:17 PM MDT | Special Weather Statement | BYZ | Carter | 43 min |
| Sep 10, 9:33 PM MDT | Special Weather Statement | BYZ | Rosebud, Treasure | 57 min |
| Sep 10, 10:41 PM MDT | Special Weather Statement | BYZ | Rosebud | 64 min |
| Sep 10, 10:44 PM MDT | Special Weather Statement | BYZ | Carter | 61 min |
| Sep 10, 10:50 PM MDT | Special Weather Statement | UNR | Carter | 40 min |
| Sep 10, 11:39 PM MDT | Special Weather Statement | GGW | Garfield | 66 min |
| Sep 11, 12:16 AM MDT | Special Weather Statement | BYZ | Custer | 44 min |
| Sep 11, 12:19 AM MDT | Special Weather Statement | BYZ | Carter, Fallon | 56 min |
| Sep 11, 1:09 AM MDT | Special Weather Statement | BYZ | Fallon | 51 min |
| Sep 11, 2:10 AM MDT | Special Weather Statement | BYZ | Fallon | 65 min |
| Sep 11, 10:14 AM MDT | Special Weather Statement | BYZ | Carbon, Stillwater | 46 min |
| Sep 11, 10:48 AM MDT | Special Weather Statement | BYZ | Yellowstone | 42 min |
| Sep 11, 11:31 AM MDT | Special Weather Statement | BYZ | Musselshell, Yellowstone | 44 min |
| Sep 11, 2:38 PM MDT | Special Weather Statement | TFX | Beaverhead | 37 min |
| Sep 11, 3:47 PM MDT | Special Weather Statement | TFX | Gallatin | 58 min |
| Sep 11, 4:11 PM MDT | Special Weather Statement | GGW | Daniels | 64 min |
| Sep 11, 4:18 PM MDT | Special Weather Statement | GGW | Dawson | 57 min |
| Sep 11, 4:49 PM MDT | Severe Thunderstorm Warning | GGW | Daniels, Valley | 56 min |
| Sep 11, 5:36 PM MDT | Special Weather Statement | GGW | Daniels | 54 min |
| Sep 11, 5:43 PM MDT | Special Weather Statement | TFX | Broadwater | 62 min |
| Sep 11, 6:40 PM MDT | Special Weather Statement | TFX | Broadwater | 50 min |
| Sep 11, 6:43 PM MDT | Special Weather Statement | MSO | Ravalli | 32 min |
| Sep 11, 7:04 PM MDT | Special Weather Statement | OTX | Mineral | 41 min |
| Sep 11, 9:27 PM MDT | Special Weather Statement | BYZ | Big Horn | 48 min |
| Sep 11, 10:15 PM MDT | Special Weather Statement | BYZ | Big Horn | 45 min |
| Sep 11, 10:38 PM MDT | Special Weather Statement | BYZ | Carter | 52 min |
| Sep 11, 11:38 PM MDT | Special Weather Statement | BYZ | Carter | 52 min |
| Sep 12, 10:24 AM MDT | Special Weather Statement | BYZ | 51 min | |
| Sep 12, 11:10 AM MDT | Special Weather Statement | BYZ | Powder River | 50 min |
| Sep 12, 1:21 PM MDT | Special Weather Statement | TFX | Fergus | 54 min |
| Sep 12, 1:28 PM MDT | Special Weather Statement | BYZ | 47 min | |
| Sep 12, 1:32 PM MDT | Mesoscale Discussion | SPC | Big Horn, Blaine, Carter, Custer, Fergus, Garfield and 15 more | 2 hr |
| Sep 12, 2:22 PM MDT | Special Weather Statement | GGW | Sheridan | 53 min |
| Sep 12, 2:58 PM MDT | Special Weather Statement | TFX | Judith Basin | 62 min |
| Sep 12, 3:07 PM MDT | Special Weather Statement | BYZ | Golden Valley | 38 min |
| Sep 12, 3:17 PM MDT | Special Weather Statement | GGW | Sheridan | 58 min |
| Sep 12, 3:21 PM MDT | Special Weather Statement | TFX | Blaine | 39 min |
| Sep 12, 3:37 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 35 min |
| Sep 12, 3:38 PM MDT | Special Weather Statement | TFX | Fergus | 52 min |
| Sep 12, 3:56 PM MDT | Special Weather Statement | TFX | Cascade | 64 min |
| Sep 12, 4:02 PM MDT | Special Weather Statement | TFX | 43 min | |
| Sep 12, 4:11 PM MDT | Areal Flood Advisory | TFX | Blaine, Chouteau, Hill | 3 hr |
| Sep 12, 4:45 PM MDT | Special Weather Statement | GGW | Daniels | 60 min |
| Sep 12, 5:01 PM MDT | Mesoscale Discussion | SPC | Carter | 2 hr |
| Sep 12, 5:03 PM MDT | Special Weather Statement | GGW | Phillips | 57 min |
| Sep 12, 5:22 PM MDT | Special Weather Statement | GGW | Phillips | 53 min |
| Sep 12, 5:25 PM MDT | Special Weather Statement | MSO | Flathead | 50 min |
| Sep 12, 5:28 PM MDT | Special Weather Statement | GGW | Sheridan | 62 min |
| Sep 12, 5:57 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 43 min |
| Sep 12, 6:17 PM MDT | Special Weather Statement | GGW | Sheridan | 58 min |
| Sep 12, 7:02 PM MDT | Special Weather Statement | MSO | Flathead | 43 min |
| Sep 12, 7:23 PM MDT | Special Weather Statement | GGW | Sheridan | 67 min |
| Sep 12, 7:53 PM MDT | Special Weather Statement | MSO | Flathead | 52 min |
| Sep 12, 9:33 PM MDT | Special Weather Statement | BYZ | Carter | 42 min |
| Sep 12, 10:27 PM MDT | Special Weather Statement | BYZ | Fallon | 33 min |
| Sep 12, 10:59 PM MDT | Special Weather Statement | BYZ | Fallon | 46 min |
| Sep 13, 6:05 PM MDT | Special Weather Statement | GGW | McCone | 55 min |
| Sep 14, 5:19 AM MDT | Dense Fog Advisory | GGW | Daniels, Roosevelt, Sheridan | 7 hr |
| Sep 14, 2:10 PM MDT | Mesoscale Discussion | SPC | Beaverhead, Deer Lodge, Granite, Ravalli, Silver Bow | 2 hr |
| Sep 14, 4:05 PM MDT | Special Weather Statement | MSO | Ravalli | 40 min |
| Sep 14, 4:38 PM MDT | Special Weather Statement | MSO | Ravalli | 37 min |
| Sep 14, 4:49 PM MDT | Special Weather Statement | TFX | Beaverhead | 41 min |
| Sep 14, 4:50 PM MDT | Special Weather Statement | MSO | Ravalli | 40 min |
| Sep 14, 5:29 PM MDT | Special Weather Statement | TFX | Beaverhead, Madison | 61 min |
| Sep 14, 5:34 PM MDT | Special Weather Statement | MSO | Granite | 41 min |
| Sep 14, 6:08 PM MDT | Special Weather Statement | MSO | Granite, Powell | 37 min |
| Sep 14, 6:15 PM MDT | Special Weather Statement | MSO | Silver Bow | 30 min |
| Sep 14, 6:26 PM MDT | Special Weather Statement | MSO | Deer Lodge, Silver Bow | 34 min |
| Sep 14, 6:28 PM MDT | Special Weather Statement | TFX | Jefferson, Madison | 62 min |
| Sep 14, 6:42 PM MDT | Special Weather Statement | MSO | Powell | 48 min |
| Sep 14, 6:50 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 55 min |
| Sep 14, 7:00 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark | 60 min |
| Sep 14, 7:20 PM MDT | Special Weather Statement | TFX | Broadwater, Jefferson | 40 min |
| Sep 14, 7:32 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Jefferson, Lewis and Clark | 43 min |
| Sep 14, 7:53 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Gallatin, Meagher | 52 min |
| Sep 14, 7:57 PM MDT | Special Weather Statement | TFX | Cascade | 48 min |
| Sep 14, 8:06 PM MDT | Special Weather Statement | TFX | Beaverhead | 39 min |
| Sep 14, 8:12 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Meagher | 63 min |
| Sep 14, 8:27 PM MDT | Special Weather Statement | BYZ | Park | 63 min |
| Sep 14, 8:33 PM MDT | Special Weather Statement | TFX | Park | 27 min |
| Sep 14, 8:39 PM MDT | Special Weather Statement | TFX | Meagher | 51 min |
| Sep 14, 8:52 PM MDT | Special Weather Statement | TFX | Teton | 38 min |
| Sep 14, 9:13 PM MDT | Special Weather Statement | TFX | Cascade | 47 min |
| Sep 14, 9:54 PM MDT | Special Weather Statement | TFX | Chouteau | 51 min |
| Sep 15, 2:01 AM MDT | Dense Fog Advisory | GGW | Sheridan | 7 hr |
| Sep 15, 6:15 AM MDT | Dense Fog Advisory | TFX | Lewis and Clark | 110 min |
| Sep 15, 2:10 PM MDT | Winter Weather Advisory | BYZ | Carbon, Park, Stillwater, Sweet Grass | 34 hr |
| Sep 15, 4:53 PM MDT | Areal Flood Advisory | TFX | Cascade | 3 hr |
| Sep 15, 5:29 PM MDT | Areal Flood Advisory | TFX | Cascade | 3 hr |
| Sep 15, 7:03 PM MDT | Special Weather Statement | BYZ | Carter | 57 min |
| Sep 15, 8:00 PM MDT | Special Weather Statement | BYZ | Carter | 45 min |
| Sep 17, 5:03 PM MDT | Special Weather Statement | BYZ | Treasure | 42 min |
| Sep 17, 5:47 PM MDT | Special Weather Statement | BYZ | Big Horn | 43 min |
| Sep 17, 6:39 PM MDT | Special Weather Statement | BYZ | Yellowstone | 51 min |
| Sep 17, 7:12 PM MDT | Special Weather Statement | BYZ | Yellowstone | 48 min |
| Sep 18, 3:45 PM MDT | Special Weather Statement | GGW | Petroleum | 60 min |
| Sep 18, 5:08 PM MDT | Special Weather Statement | BYZ | Treasure | 37 min |
| Sep 18, 5:42 PM MDT | Special Weather Statement | BYZ | Treasure | 48 min |
| Sep 18, 6:28 PM MDT | Special Weather Statement | BYZ | Big Horn | 47 min |
| Sep 19, 2:24 AM MDT | Dense Fog Advisory | GGW | Daniels, Dawson, Phillips, Richland, Roosevelt, Sheridan and 1 more | 9 hr |
| Sep 21, 2:09 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 40 hr |
| Sep 22, 12:15 PM MDT | Frost Advisory | MSO | Flathead, Lake, Lincoln, Mineral, Missoula, Ravalli and 1 more | 22 hr |
| Sep 25, 12:03 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 30 hr |
| Sep 28, 4:03 PM MDT | Special Weather Statement | TFX | Madison | 87 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 | 8 |
| Mesoscale Discussion | 3 |
| Special Weather Statement | 101 |
| Flooding | |
| Areal Flood Advisory | 3 |
| Winter | |
| Winter Weather Advisory | 1 |
| Cold | |
| Frost Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 1 |
| Lake Wind Advisory | 3 |
| Wind Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Carter County13
- Sheridan County9
- Ravalli County9
- Phillips County8
- Cascade County7
- Yellowstone County7
- Fallon County6
- Valley County6
- Big Horn County6
- Daniels County6
- Flathead County5
- Garfield County5
- McCone County5
- Petroleum County5
- Madison County5
- Treasure County5
- Beaverhead County5
- Broadwater County5
- Lake County4
- Gallatin County4
- Blaine County4
- Lewis and Clark County4
- Missoula County3
- Sweet Grass County3
- Powder River County3
- Rosebud County3
- Stillwater County3
- Fergus County3
- Granite County3
- Silver Bow County3
- Jefferson County3
- Meagher County3
- Park County3
- Lincoln County2
- Sanders County2
- Custer County2
- Carbon County2
- Musselshell County2
- Dawson County2
- Mineral County2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20242026
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.