Alert archive / Montana / Red Flag Warnings
Red Flag Warnings in Montana, 2021
97 red flag warnings in 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 2021. Tap one for its archive.
- Red Flag Warnings
- 97
- Busiest month
- September23 red flag warnings
- Busiest day
- March 27, 20214 red flag warnings
Over time
By month
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 |
|---|---|---|---|---|
| Mar 6, 2:24 AM MST | Red Flag Warning | GGW | Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 3 more | 18 hr |
| Mar 21, 3:14 AM MDT | Red Flag Warning | GGW | Daniels, Roosevelt, Sheridan, Valley | 16 hr |
| Mar 27, 2:37 AM MDT | Red Flag Warning | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 11 more | 41 hr |
| Mar 27, 3:15 AM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 41 hr |
| Mar 27, 11:43 AM MDT | Red Flag Warning | MSO | Beaverhead, Jefferson, Madison, Silver Bow | 31 hr |
| Mar 27, 1:33 PM MDT | Red Flag Warning | BYZ | Carter, Fallon | 49 hr |
| Mar 31, 2:32 PM MDT | Red Flag Warning | BYZ | Carter, Fallon | 30 hr |
| Mar 31, 2:39 PM MDT | Red Flag Warning | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 11 more | 30 hr |
| Mar 31, 2:50 PM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 30 hr |
| Apr 1, 11:52 AM MDT | Red Flag Warning | MSO | Beaverhead, Jefferson, Madison, Silver Bow | 9 hr |
| Apr 7, 9:10 AM MDT | Red Flag Warning | GGW | Phillips, Valley | 10 hr |
| Apr 8, 3:01 AM MDT | Red Flag Warning | GGW | Dawson, McCone, Prairie, Richland, Wibaux | 16 hr |
| Apr 29, 2:29 AM MDT | Red Flag Warning | BYZ | Carter, Fallon | 43 hr |
| Apr 29, 2:05 PM MDT | Red Flag Warning | TFX | Blaine, Hill, Phillips | 31 hr |
| Apr 29, 2:42 PM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 34 hr |
| May 1, 3:14 AM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 17 hr |
| May 7, 3:05 AM MDT | Red Flag Warning | GGW | Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 3 more | 17 hr |
| May 17, 3:35 AM MDT | Red Flag Warning | GGW | Daniels, Phillips, Roosevelt, Sheridan, Valley | 17 hr |
| Jun 3, 1:12 PM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 35 hr |
| Jun 5, 2:55 AM MDT | Red Flag Warning | GGW | Daniels, Phillips, Roosevelt, Sheridan, Valley | 18 hr |
| Jun 6, 3:01 AM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 17 hr |
| Jun 9, 1:38 PM MDT | Red Flag Warning | BYZ | Big Horn, Carter, Custer, Fallon, Golden Valley, Musselshell and 4 more | 32 hr |
| Jun 10, 3:47 AM MDT | Red Flag Warning | GGW | Dawson, McCone, Prairie, Richland, Wibaux | 16 hr |
| Jun 14, 9:26 AM MDT | Red Flag Warning | BYZ | Big Horn, Carbon, Gallatin, Golden Valley, Madison, Musselshell and 8 more | 43 hr |
| Jun 14, 9:56 AM MDT | Red Flag Warning | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 6 more | 38 hr |
| Jun 14, 12:00 PM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 1 more | 36 hr |
| Jun 14, 1:45 PM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 56 hr |
| Jun 16, 2:20 PM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 31 hr |
| Jun 18, 2:00 PM MDT | Red Flag Warning | BYZ | Big Horn, Carbon, Custer, Golden Valley, Musselshell, Park and 6 more | 31 hr |
| Jun 18, 2:38 PM MDT | Red Flag Warning | GGW | Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 3 more | 30 hr |
| Jun 30, 2:29 AM MDT | Red Flag Warning | GGW | Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 3 more | 67 hr |
| Jun 30, 3:06 AM MDT | Red Flag Warning | TFX | Blaine, Chouteau, Fergus, Hill, Phillips | 66 hr |
| Jun 30, 1:40 PM MDT | Red Flag Warning | BYZ | Big Horn, Carter, Custer, Fallon, Powder River, Rosebud and 1 more | 31 hr |
| Jul 1, 1:45 PM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 1 more | 30 hr |
| Jul 2, 2:59 PM MDT | Red Flag Warning | GGW | Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 3 more | 30 hr |
| Jul 8, 7:08 AM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 1 more | 14 hr |
| Jul 10, 2:09 PM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Flathead, Glacier, Granite, Jefferson and 9 more | 31 hr |
| Jul 11, 12:33 AM MDT | Red Flag Warning | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 12 more | 20 hr |
| Jul 11, 3:21 AM MDT | Red Flag Warning | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 18 hr |
| Jul 14, 1:08 PM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Lewis and Clark, Madison and 4 more | 32 hr |
| Jul 14, 1:32 PM MDT | Red Flag Warning | TFX | Broadwater, Cascade, Fergus, Gallatin, Jefferson, Judith Basin and 3 more | 31 hr |
| Jul 18, 1:04 PM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Flathead, Glacier, Granite, Jefferson and 9 more | 35 hr |
| Jul 18, 1:52 PM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 33 hr |
| Jul 18, 1:58 PM MDT | Red Flag Warning | TFX | Broadwater, Cascade, Fergus, Gallatin, Jefferson, Judith Basin and 5 more | 31 hr |
| Jul 18, 3:10 PM MDT | Red Flag Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Gallatin and 11 more | 57 hr |
| Jul 21, 12:17 PM MDT | Red Flag Warning | MSO | Flathead, Glacier, Lake, Missoula, Powell, Sanders | 33 hr |
| Jul 21, 1:26 PM MDT | Red Flag Warning | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 12 more | 56 hr |
| Jul 22, 1:32 PM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 1 more | 31 hr |
| Jul 22, 1:40 PM MDT | Red Flag Warning | BYZ | Gallatin, Golden Valley, Madison, Musselshell, Park, Stillwater and 2 more | 31 hr |
| Jul 22, 2:16 PM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 31 hr |
| Jul 31, 1:36 PM MDT | Red Flag Warning | TFX | Blaine, Chouteau, Fergus, Glacier, Hill, Liberty and 3 more | 31 hr |
| Aug 4, 1:21 PM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Flathead, Granite, Jefferson, Lewis and Clark and 7 more | 35 hr |
| Aug 4, 2:35 PM MDT | Red Flag Warning | TFX | Broadwater, Cascade, Fergus, Gallatin, Jefferson, Judith Basin and 3 more | 33 hr |
| Aug 7, 10:48 AM MDT | Red Flag Warning | TFX | Broadwater, Gallatin, Jefferson, Lewis and Clark, Meagher | 33 hr |
| Aug 7, 1:09 PM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 1 more | 30 hr |
| Aug 7, 2:26 PM MDT | Red Flag Warning | BYZ | Big Horn, Carbon, Custer, Gallatin, Golden Valley, Madison and 9 more | 34 hr |
| Aug 9, 12:55 PM MDT | Red Flag Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 8 more | 57 hr |
| Aug 11, 2:32 AM MDT | Red Flag Warning | GGW | Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 3 more | 19 hr |
| Aug 14, 2:07 PM MDT | Red Flag Warning | BYZ | Big Horn, Carbon, Custer, Gallatin, Golden Valley, Madison and 9 more | 3 days |
| Aug 14, 2:12 PM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 4 days |
| Aug 14, 2:40 PM MDT | Red Flag Warning | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 12 more | 54 hr |
| Aug 16, 1:24 PM MDT | Red Flag Warning | BYZ | Carter, Fallon | 35 hr |
| Aug 17, 9:47 AM MDT | Red Flag Warning | MSO | Beaverhead, Jefferson, Madison, Silver Bow | 11 hr |
| 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 |
| Oct 3, 1:27 PM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 55 hr |
| Oct 4, 9:14 AM MDT | Red Flag Warning | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 12 more | 35 hr |
| Oct 4, 12:17 PM MDT | Red Flag Warning | MSO | Beaverhead, Jefferson, Madison, Silver Bow | 32 hr |
| Oct 5, 8:46 AM MDT | Red Flag Warning | GGW | Phillips, Valley | 11 hr |
| Oct 5, 12:49 PM MDT | Red Flag Warning | BYZ | Carter, Fallon | 32 hr |
| Oct 5, 2:03 PM MDT | Red Flag Warning | GGW | Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 3 more | 29 hr |
| Oct 16, 2:37 PM MDT | Red Flag Warning | TFX | Cascade, Chouteau, Fergus, Glacier, Judith Basin, Lewis and Clark and 5 more | 27 hr |
| Nov 15, 2:20 AM MST | Red Flag Warning | TFX | Cascade, Chouteau, Fergus, Judith Basin, Lewis and Clark, Meagher and 2 more | 17 hr |
| Nov 21, 10:35 AM MST | Red Flag Warning | TFX | Cascade, Chouteau, Fergus, Glacier, Judith Basin, Lewis and Clark and 5 more | 30 hr |
| Dec 1, 3:42 AM MST | Red Flag Warning | TFX | Blaine, Cascade, Chouteau, Fergus, Glacier, Hill and 8 more | 17 hr |
| Dec 1, 10:24 PM MST | Red Flag Warning | TFX | Glacier, Lewis and Clark, Liberty, Pondera, Teton, Toole | 16 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Phillips County41
- Jefferson County36
- Valley County30
- Madison County30
- McCone County27
- Dawson County26
- Prairie County26
- Richland County26
- Wibaux County26
- Powell County25
- Gallatin County24
- Lewis and Clark County24
- Garfield County23
- Petroleum County23
- Daniels County22
- Roosevelt County22
- Sheridan County22
- Beaverhead County21
- Silver Bow County21
- Fergus County20
- Meagher County19
- Cascade County18
- Glacier County18
- Judith Basin County18
- Chouteau County17
- Pondera County17
- Teton County16
- Blaine County15
- Broadwater County15
- Hill County15
- Liberty County15
- Toole County15
- Carter County14
- Fallon County14
- Deer Lodge County14
- Granite County14
- Rosebud County13
- Treasure County13
- Big Horn County12
- Custer County12
The busiest days
Days with the most alerts issued, by UTC date.
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.