Alert archive / Montana / 2021
Weather alerts in Montana, September 2021
76 weather alerts in September 2021, 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 2021. Tap one for its archive.
- Alerts
- 76
- Warnings
- 28
- Watches
- 16
- Advisories
- 11
- Busiest day
- September 11, 202110 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, 1:32 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 3 hr |
| Sep 3, 3:56 PM MDT | Special Weather Statement | BYZ | Wheatland | 49 min |
| Sep 3, 4:05 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley, Wheatland | 40 min |
| Sep 3, 4:42 PM MDT | Severe Thunderstorm Warning | BYZ | Golden Valley | 16 min |
| Sep 3, 5:04 PM MDT | Special Weather Statement | BYZ | Golden Valley | 26 min |
| Sep 4, 12:51 PM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 1 more | 32 hr |
| Sep 4, 2:20 PM MDT | Fire Weather Watch | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Gallatin and 11 more | 24 hr |
| Sep 4, 2:33 PM MDT | Fire Weather Watch | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 24 hr |
| Sep 4, 2:36 PM MDT | Red Flag Warning | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 12 more | 30 hr |
| Sep 5, 2:10 AM MDT | Fire Weather Watch | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 12 more | 18 hr |
| Sep 5, 10:30 AM MDT | Fire Weather Watch | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 1 more | 10 hr |
| Sep 5, 2:29 PM MDT | Red Flag Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Gallatin and 11 more | 30 hr |
| Sep 5, 2:30 PM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 30 hr |
| Sep 5, 2:31 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 30 hr |
| Sep 5, 3:21 PM MDT | Red Flag Warning | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 12 more | 30 hr |
| Sep 5, 8:35 PM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 1 more | 24 hr |
| Sep 7, 3:51 AM MDT | Fire Weather Watch | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 1 more | 8 hr |
| Sep 7, 12:16 PM MDT | Fire Weather Watch | MSO | Ravalli | 15 hr |
| Sep 7, 12:16 PM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 2 more | 32 hr |
| Sep 7, 1:20 PM MDT | Fire Weather Watch | GGW | Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 3 more | 24 hr |
| Sep 7, 1:49 PM MDT | Fire Weather Watch | BYZ | Carter, Custer, Fallon, Rosebud, Treasure | 24 hr |
| Sep 7, 2:32 PM MDT | Fire Weather Watch | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 11 more | 22 hr |
| Sep 8, 12:57 PM MDT | Red Flag Warning | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 11 more | 32 hr |
| Sep 8, 1:38 PM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 30 hr |
| Sep 8, 1:56 PM MDT | Red Flag Warning | BYZ | Carter, Custer, Fallon, Rosebud, Treasure | 30 hr |
| Sep 8, 8:50 PM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 1 more | 24 hr |
| Sep 9, 5:46 PM MDT | Special Weather Statement | TFX | Gallatin, Madison | 29 min |
| Sep 9, 6:13 PM MDT | Special Weather Statement | TFX | Madison | 47 min |
| Sep 9, 6:57 PM MDT | Special Weather Statement | TFX | Gallatin | 48 min |
| Sep 10, 4:47 PM MDT | Special Weather Statement | TFX | Beaverhead, Madison | 58 min |
| Sep 10, 5:46 PM MDT | Special Weather Statement | TFX | Beaverhead, Gallatin, Madison | 29 min |
| Sep 10, 6:12 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead, Gallatin, Madison | 48 min |
| Sep 10, 6:40 PM MDT | Special Weather Statement | MSO | Deer Lodge, Granite, Silver Bow | 50 min |
| Sep 10, 7:02 PM MDT | Special Weather Statement | TFX | Gallatin, Jefferson, Madison | 28 min |
| Sep 10, 7:32 PM MDT | Special Weather Statement | TFX | Broadwater, Jefferson, Meagher | 43 min |
| Sep 10, 8:04 PM MDT | Special Weather Statement | TFX | Beaverhead | 41 min |
| Sep 10, 8:24 PM MDT | Special Weather Statement | TFX | Broadwater, Jefferson, Lewis and Clark, Meagher | 36 min |
| Sep 10, 8:49 PM MDT | Special Weather Statement | TFX | Beaverhead | 41 min |
| Sep 10, 8:58 PM MDT | Special Weather Statement | TFX | Broadwater, Lewis and Clark, Meagher | 32 min |
| Sep 11, 3:34 PM MDT | Special Weather Statement | TFX | Hill | 41 min |
| Sep 11, 5:26 PM MDT | Special Weather Statement | TFX | Blaine | 64 min |
| Sep 12, 6:34 PM MDT | Special Weather Statement | TFX | Cascade, Chouteau, Hill, Judith Basin, Lewis and Clark, Liberty and 4 more | 56 min |
| Sep 13, 2:13 PM MDT | Fire Weather Watch | GGW | Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 3 more | 23 hr |
| Sep 14, 12:39 PM MDT | Red Flag Warning | MSO | Beaverhead, Jefferson, Madison, Silver Bow | 32 hr |
| Sep 14, 1:04 PM MDT | Red Flag Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Gallatin and 11 more | 31 hr |
| Sep 14, 1:08 PM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 30 hr |
| Sep 14, 1:33 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 30 hr |
| Sep 14, 2:36 PM MDT | Freeze Watch | MSO | Flathead, Lincoln, Sanders | 23 hr |
| Sep 15, 1:44 PM MDT | Frost Advisory | MSO | Flathead, Lincoln, Sanders | 19 hr |
| Sep 16, 2:41 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 18 hr |
| Sep 16, 1:53 PM MDT | Red Flag Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Gallatin and 11 more | 55 hr |
| Sep 16, 1:53 PM MDT | High Wind Watch | TFX | 36 hr | |
| Sep 16, 2:18 PM MDT | Red Flag Warning | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 12 more | 55 hr |
| Sep 16, 2:32 PM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 55 hr |
| Sep 16, 2:39 PM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 1 more | 54 hr |
| Sep 16, 7:08 PM MDT | Special Weather Statement | TFX | Chouteau | 22 min |
| Sep 16, 7:41 PM MDT | Frost Advisory | MSO | Flathead, Lake, Missoula, Ravalli, Sanders | 13 hr |
| Sep 17, 2:23 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 18 hr |
| Sep 17, 2:16 PM MDT | High Wind Warning | MSO | Deer Lodge, Granite, Powell, Silver Bow | 31 hr |
| Sep 17, 2:16 PM MDT | Lake Wind Advisory | MSO | Flathead, Lake, Sanders | 31 hr |
| Sep 17, 2:16 PM MDT | Wind Advisory | MSO | Granite, Lake, Missoula, Powell, Ravalli | 31 hr |
| Sep 18, 2:05 AM MDT | High Wind Warning | TFX | 19 hr | |
| Sep 18, 2:35 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 24 hr |
| Sep 18, 11:04 PM MDT | Special Weather Statement | TFX | Broadwater | 26 min |
| Sep 20, 1:46 PM MDT | Special Weather Statement | GGW | Phillips | 44 min |
| Sep 24, 12:32 PM MDT | Fire Weather Watch | MSO | Beaverhead, Jefferson, Madison, Silver Bow | 49 hr |
| Sep 24, 12:32 PM MDT | Fire Weather Watch | MSO | Beaverhead, Jefferson, Madison, Silver Bow | 25 hr |
| Sep 25, 1:31 PM MDT | Red Flag Warning | MSO | Beaverhead, Jefferson, Madison, Silver Bow | 31 hr |
| Sep 26, 2:41 AM MDT | Fire Weather Watch | BYZ | Gallatin, Madison, Park, Sweet Grass | 10 hr |
| Sep 26, 12:59 PM MDT | Red Flag Warning | BYZ | Gallatin, Madison, Park, Sweet Grass | 32 hr |
| Sep 26, 1:08 PM MDT | Red Flag Warning | MSO | Beaverhead, Jefferson, Madison, Silver Bow | 45 hr |
| Sep 27, 1:50 AM MDT | Fire Weather Watch | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 8 more | 12 hr |
| Sep 27, 2:06 PM MDT | Red Flag Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 8 more | 31 hr |
| Sep 27, 2:13 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 46 hr |
| Sep 28, 3:38 AM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Prairie and 5 more | 17 hr |
| Sep 28, 9:27 PM MDT | Special Weather Statement | BYZ | Carbon, Stillwater | 78 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 | 3 |
| Special Weather Statement | 21 |
| Cold | |
| Freeze Watch | 1 |
| Frost Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 2 |
| High Wind Watch | 1 |
| Lake Wind Advisory | 8 |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 23 |
| Fire Weather Watch | 14 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Madison County24
- Phillips County21
- Jefferson County21
- Beaverhead County17
- Gallatin County17
- Garfield County15
- McCone County15
- Petroleum County15
- Valley County15
- Silver Bow County14
- Powell County13
- Granite County10
- Broadwater County10
- Meagher County10
- Golden Valley County9
- Deer Lodge County9
- Lewis and Clark County9
- Carter County8
- Custer County8
- Fallon County8
- Park County8
- Rosebud County8
- Sweet Grass County8
- Treasure County8
- Dawson County8
- Prairie County8
- Richland County8
- Wibaux County8
- Chouteau County8
- Hill County8
- Carbon County7
- Stillwater County7
- Blaine County7
- Cascade County7
- Judith Basin County7
- Liberty County7
- Pondera County7
- Teton County7
- Toole County7
- Wheatland County6
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. Rebuilt daily.