Alert archive / Montana / Red Flag Warnings / 2026
Red Flag Warnings in Montana, August 2026
11 red flag warnings in August 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 August 2026. Tap one for its archive.
- Red Flag Warnings
- 11
- Busiest day
- August 7, 20264 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 |
|---|---|---|---|---|
| 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 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Jefferson County5
- Powell County5
- Beaverhead County4
- Deer Lodge County4
- Granite County4
- Madison County4
- Silver Bow County4
- Carter County3
- Fallon County3
- Dawson County2
- Garfield County2
- McCone County2
- Petroleum County2
- Phillips County2
- Prairie County2
- Richland County2
- Valley County2
- Wibaux County2
- Custer County2
- Flathead County2
- Lewis and Clark County2
- Mineral County2
- Missoula County2
- Sanders County2
- Gallatin County2
- Lake County1
- Ravalli County1
- Broadwater County1
- Cascade County1
- Fergus County1
- Judith Basin County1
- Meagher County1
- Big Horn County1
- Carbon County1
- Golden Valley County1
- Musselshell County1
- Park County1
- Powder River County1
- Rosebud County1
- Stillwater County1
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.