Alert archive / Montana / Red Flag Warnings / 2021
Red Flag Warnings in Montana, September 2021
23 red flag warnings in September 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 red flag warnings reaches back to 2005.
Red Flag Warnings by county
Each county as a circle sized by its count in September 2021. Tap one for its archive.
- Red Flag Warnings
- 23
- Busiest day
- September 16, 20214 red flag 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 |
|---|---|---|---|---|
| Sep 4, 12:51 PM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 1 more | 32 hr |
| Sep 4, 2:36 PM MDT | Red Flag Warning | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 12 more | 30 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, 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, 12:16 PM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 2 more | 32 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 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 16, 1:53 PM MDT | Red Flag Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Gallatin and 11 more | 55 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 25, 1:31 PM MDT | Red Flag Warning | MSO | Beaverhead, Jefferson, Madison, Silver Bow | 31 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, 2:06 PM MDT | Red Flag Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 8 more | 31 hr |
| Sep 28, 3:38 AM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Prairie and 5 more | 17 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Jefferson County12
- Madison County12
- Beaverhead County8
- Powell County8
- Silver Bow County8
- Gallatin County8
- Phillips County8
- Deer Lodge County5
- Granite County5
- Carter County5
- Custer County5
- Fallon County5
- Park County5
- Rosebud County5
- Sweet Grass County5
- Treasure County5
- Daniels County5
- Dawson County5
- Garfield County5
- McCone County5
- Petroleum County5
- Prairie County5
- Richland County5
- Roosevelt County5
- Sheridan County5
- Valley County5
- Wibaux County5
- Blaine County4
- Broadwater County4
- Cascade County4
- Chouteau County4
- Fergus County4
- Glacier County4
- Hill County4
- Judith Basin County4
- Lewis and Clark County4
- Liberty County4
- Meagher County4
- Pondera County4
- Teton County4
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.