Alert archive / Montana / Red Flag Warnings
Red Flag Warnings in Montana, 2026
48 red flag warnings in 2026. 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 2026. Tap one for its archive.
- Red Flag Warnings
- 48
- Busiest month
- July12 red flag warnings
- Busiest day
- July 31, 20264 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 8, 1:39 PM MDT | Red Flag Warning | GGW | Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 3 more | 5 hr |
| Mar 24, 12:10 PM MDT | Red Flag Warning | BYZ | Big Horn, Carbon, Gallatin, Golden Valley, Madison, Musselshell and 5 more | 33 hr |
| Mar 24, 12:28 PM MDT | Red Flag Warning | TFX | Broadwater, Gallatin, Jefferson, Lewis and Clark, Meagher | 29 hr |
| Mar 24, 12:36 PM MDT | Red Flag Warning | MSO | Beaverhead, Jefferson, Madison, Silver Bow | 32 hr |
| Apr 21, 9:49 PM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 23 hr |
| Apr 22, 10:41 AM MDT | Red Flag Warning | BYZ | Big Horn, Carter, Custer, Fallon, Powder River, Rosebud and 1 more | 10 hr |
| May 2, 12:36 PM MDT | Red Flag Warning | GGW | Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 3 more | 32 hr |
| May 7, 10:57 PM MDT | Red Flag Warning | GGW | Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 3 more | 21 hr |
| May 10, 12:02 PM MDT | Red Flag Warning | BYZ | Carter, Custer, Fallon, Rosebud, Treasure | 32 hr |
| May 10, 12:10 PM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 32 hr |
| May 12, 10:38 AM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 1 more | 34 hr |
| May 12, 12:01 PM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 3 days |
| May 12, 12:59 PM MDT | Red Flag Warning | TFX | Blaine, Hill, Phillips | 32 hr |
| May 24, 9:45 PM MDT | Red Flag Warning | GGW | Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 3 more | 47 hr |
| May 25, 9:49 PM MDT | Red Flag Warning | GGW | Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 3 more | 48 hr |
| May 26, 10:07 PM MDT | Red Flag Warning | GGW | Daniels, Dawson, McCone, Prairie, Richland, Roosevelt and 3 more | 48 hr |
| Jul 11, 10:43 AM MDT | Red Flag Warning | MSO | Beaverhead, Jefferson, Madison, Silver Bow | 34 hr |
| Jul 11, 11:03 AM MDT | Red Flag Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Gallatin and 11 more | 40 hr |
| Jul 11, 11:00 PM MDT | Red Flag Warning | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 22 hr |
| Jul 23, 12:15 PM MDT | Red Flag Warning | GGW | Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 3 more | 32 hr |
| Jul 23, 1:57 PM MDT | Red Flag Warning | TFX | Blaine, Cascade, Chouteau, Fergus, Glacier, Hill and 8 more | 55 hr |
| Jul 24, 12:11 PM MDT | Red Flag Warning | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 34 hr |
| Jul 24, 12:15 PM MDT | Red Flag Warning | MSO | Beaverhead, Jefferson, Madison, Silver Bow | 31 hr |
| Jul 24, 1:09 PM MDT | Red Flag Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Gallatin and 11 more | 32 hr |
| Jul 31, 11:01 AM MDT | Red Flag Warning | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 12 more | 64 hr |
| Jul 31, 11:34 AM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 57 hr |
| Jul 31, 1:11 PM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Flathead, Glacier, Granite, Jefferson and 10 more | 56 hr |
| Jul 31, 1:23 PM MDT | Red Flag Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Gallatin and 11 more | 61 hr |
| Aug 3, 2:44 AM MDT | Red Flag Warning | BYZ | Carter, Fallon | 18 hr |
| Aug 5, 9:24 AM MDT | Red Flag Warning | GGW | Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 3 more | 34 hr |
| Aug 5, 11:08 AM MDT | Red Flag Warning | BYZ | Carter, Custer, Fallon | 33 hr |
| Aug 6, 8:07 AM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 1 more | 13 hr |
| Aug 6, 9:41 PM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Flathead, Granite, Jefferson, Lake and 8 more | 47 hr |
| Aug 6, 10:51 PM MDT | Red Flag Warning | TFX | Broadwater, Cascade, Fergus, Gallatin, Jefferson, Judith Basin and 3 more | 46 hr |
| Aug 7, 12:13 PM MDT | Red Flag Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Gallatin and 11 more | 33 hr |
| Aug 7, 12:40 PM MDT | Red Flag Warning | GGW | Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 3 more | 31 hr |
| Aug 10, 6:45 PM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 1 more | 26 hr |
| Aug 22, 9:08 AM MDT | Red Flag Warning | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Powell, Silver Bow | 35 hr |
| Aug 22, 9:08 AM MDT | Red Flag Warning | MSO | Flathead, Lincoln, Mineral, Missoula, Sanders | 21 hr |
| Sep 1, 10:22 AM MDT | Red Flag Warning | MSO | Beaverhead, Jefferson, Madison, Silver Bow | 56 hr |
| Sep 2, 12:10 PM MDT | Red Flag Warning | BYZ | Big Horn, Carbon, Gallatin, Golden Valley, Madison, Musselshell and 7 more | 33 hr |
| Sep 3, 2:19 PM MDT | Red Flag Warning | BYZ | Big Horn, Carter, Custer, Fallon, Powder River, Rosebud and 2 more | 31 hr |
| Sep 4, 12:36 AM MDT | Red Flag Warning | GGW | Dawson, McCone, Prairie, Richland, Wibaux | 20 hr |
| Sep 5, 2:40 PM MDT | Red Flag Warning | MSO | Beaverhead, Jefferson, Madison, Silver Bow | 30 hr |
| Sep 9, 9:59 AM MDT | Red Flag Warning | MSO | Beaverhead, Jefferson, Madison, Silver Bow | 35 hr |
| Sep 9, 10:21 AM MDT | Red Flag Warning | BYZ | Carter, Fallon, Gallatin, Golden Valley, Madison, Musselshell and 3 more | 33 hr |
| Sep 9, 12:56 PM MDT | Red Flag Warning | GGW | Dawson, Garfield, McCone, Petroleum, Prairie, Richland and 1 more | 31 hr |
| Sep 12, 9:15 AM MDT | Red Flag Warning | MSO | Beaverhead, Jefferson, Madison, Silver Bow | 36 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Madison County19
- McCone County17
- Jefferson County16
- Dawson County15
- Prairie County15
- Richland County15
- Valley County15
- Wibaux County15
- Phillips County13
- Beaverhead County13
- Silver Bow County13
- Garfield County11
- Petroleum County11
- Gallatin County10
- Carter County10
- Fallon County10
- Daniels County9
- Roosevelt County9
- Sheridan County9
- Big Horn County8
- Custer County8
- Rosebud County8
- Treasure County8
- Powell County8
- Golden Valley County7
- Musselshell County7
- Park County7
- Sweet Grass County7
- Wheatland County7
- Yellowstone County7
- Carbon County6
- Stillwater County6
- Lewis and Clark County6
- Powder River County6
- Deer Lodge County6
- Granite County6
- Meagher County4
- Broadwater County3
- Blaine County3
- Hill County3
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
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.