Alert archive / Montana / 2026
Weather alerts in Montana, March 2026
115 weather alerts in March 2026, 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 March 2026. Tap one for its archive.
- Alerts
- 115
- Warnings
- 33
- Watches
- 30
- Advisories
- 36
- Busiest day
- March 9, 202610 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 |
|---|---|---|---|---|
| Mar 3, 11:08 PM MST | Winter Weather Advisory | MSO | Deer Lodge, Granite, Missoula, Powell, Ravalli, Silver Bow | 40 hr |
| Mar 3, 11:27 PM MST | Winter Weather Advisory | TFX | Beaverhead, Broadwater, Cascade, Chouteau, Gallatin, Jefferson and 4 more | 40 hr |
| Mar 4, 11:24 AM MST | Winter Weather Advisory | BYZ | Big Horn, Carbon, Park, Rosebud, Stillwater, Sweet Grass | 48 hr |
| Mar 5, 12:09 AM MST | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass, Wheatland | 35 hr |
| Mar 5, 12:24 AM MST | Winter Storm Warning | TFX | Beaverhead, Gallatin, Madison | 15 hr |
| Mar 5, 1:09 AM MST | High Wind Watch | TFX | Blaine, Cascade, Chouteau, Fergus, Glacier, Hill and 5 more | 36 hr |
| Mar 5, 9:50 PM MST | Special Weather Statement | MSO | 25 min | |
| Mar 5, 10:27 PM MST | High Wind Watch | GGW | Phillips | 24 hr |
| Mar 5, 11:28 PM MST | High Wind Watch | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 10 more | 47 hr |
| Mar 5, 11:28 PM MST | High Wind Warning | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 11 more | 67 hr |
| Mar 5, 11:44 PM MST | High Wind Watch | BYZ | Golden Valley, Musselshell, Park, Stillwater, Sweet Grass, Wheatland | 24 hr |
| Mar 6, 10:30 AM MST | High Wind Watch | MSO | Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more | 23 hr |
| Mar 6, 12:51 PM MST | High Wind Watch | BYZ | Golden Valley, Stillwater | 11 hr |
| Mar 6, 12:51 PM MST | High Wind Warning | BYZ | Big Horn, Carbon, Golden Valley, Musselshell, Park, Rosebud and 5 more | 54 hr |
| Mar 6, 10:55 PM MST | High Wind Warning | GGW | Garfield, Petroleum, Phillips, Valley | 42 hr |
| Mar 6, 11:57 PM MST | High Wind Warning | MSO | Flathead, Lake | 46 hr |
| Mar 7, 9:26 AM MST | Wind Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more | 37 hr |
| Mar 7, 10:33 PM MST | Winter Weather Advisory | GGW | Phillips | 30 hr |
| Mar 8, 10:36 AM MDT | Blowing Dust Advisory | TFX | Blaine, Cascade, Chouteau, Hill, Liberty, Toole | 9 hr |
| Mar 8, 1:39 PM MDT | Red Flag Warning | GGW | Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 3 more | 5 hr |
| Mar 8, 6:16 PM MDT | Winter Weather Advisory | TFX | Blaine, Cascade, Chouteau, Fergus, Glacier, Hill and 7 more | 18 hr |
| Mar 8, 11:43 PM MDT | Winter Weather Advisory | BYZ | Big Horn | 45 hr |
| Mar 9, 9:44 AM MDT | Special Weather Statement | BYZ | Golden Valley, Musselshell, Treasure, Wheatland | 2 hr |
| Mar 9, 11:55 AM MDT | Special Weather Statement | BYZ | Golden Valley, Musselshell, Treasure | 2 hr |
| Mar 9, 12:29 PM MDT | Winter Weather Advisory | BYZ | Golden Valley, Musselshell, Rosebud | 7 hr |
| Mar 9, 12:35 PM MDT | Winter Storm Watch | MSO | Flathead, Granite, Lake, Missoula, Ravalli | 23 hr |
| Mar 9, 12:40 PM MDT | High Wind Watch | MSO | Deer Lodge, Flathead, Granite, Lincoln, Mineral, Missoula and 3 more | 23 hr |
| Mar 9, 12:43 PM MDT | Winter Weather Advisory | GGW | Garfield, Petroleum, Prairie | 6 hr |
| Mar 9, 3:35 PM MDT | High Wind Watch | TFX | Beaverhead, Blaine, Broadwater, Cascade, Chouteau, Fergus and 12 more | 22 hr |
| Mar 9, 3:57 PM MDT | Winter Storm Watch | TFX | Glacier, Lewis and Clark, Pondera, Teton | 22 hr |
| Mar 10, 2:30 AM MDT | High Wind Watch | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 9 more | 31 hr |
| Mar 10, 11:42 AM MDT | Winter Storm Warning | MSO | Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more | 4 days |
| Mar 10, 11:42 AM MDT | Winter Weather Advisory | MSO | Flathead, Lake | 30 hr |
| Mar 10, 11:52 AM MDT | High Wind Warning | MSO | Deer Lodge, Flathead, Granite, Lake, Lincoln, Missoula and 4 more | 54 hr |
| Mar 10, 11:53 AM MDT | High Wind Watch | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 13 hr |
| Mar 10, 12:10 PM MDT | Winter Storm Watch | GGW | Garfield, Petroleum, Phillips | 37 hr |
| Mar 10, 1:24 PM MDT | High Wind Warning | TFX | Beaverhead, Blaine, Broadwater, Cascade, Chouteau, Fergus and 12 more | 53 hr |
| Mar 10, 2:09 PM MDT | Winter Storm Watch | TFX | Blaine, Cascade, Chouteau, Fergus, Glacier, Hill and 7 more | 35 hr |
| Mar 10, 2:09 PM MDT | Winter Storm Warning | TFX | Beaverhead, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 7 more | 4 days |
| Mar 10, 2:09 PM MDT | Winter Weather Advisory | TFX | Beaverhead, Glacier, Lewis and Clark, Pondera, Teton | 28 hr |
| Mar 11, 12:32 AM MDT | Winter Weather Advisory | GGW | Daniels, Phillips, Sheridan, Valley | 25 hr |
| Mar 11, 12:43 AM MDT | High Wind Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 42 hr |
| Mar 11, 2:14 AM MDT | High Wind Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 9 more | 43 hr |
| Mar 11, 2:27 AM MDT | Winter Storm Watch | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 9 more | 60 hr |
| Mar 11, 9:21 AM MDT | Blizzard Warning | MSO | Flathead, Lake | 24 hr |
| Mar 11, 9:21 AM MDT | Winter Storm Warning | MSO | Flathead, Lake | 3 days |
| Mar 11, 12:31 PM MDT | Blizzard Warning | TFX | Glacier, Lewis and Clark, Pondera, Teton | 25 hr |
| Mar 11, 12:31 PM MDT | Winter Weather Advisory | TFX | Glacier, Lewis and Clark, Pondera, Teton | 29 hr |
| Mar 11, 1:47 PM MDT | Winter Storm Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 9 more | 4 days |
| Mar 12, 12:46 AM MDT | Winter Storm Watch | TFX | Broadwater, Gallatin, Jefferson, Lewis and Clark, Meagher | 13 hr |
| Mar 12, 12:46 AM MDT | Winter Weather Advisory | TFX | Blaine, Chouteau, Glacier, Hill, Liberty, Pondera and 1 more | 65 hr |
| Mar 12, 1:35 AM MDT | Winter Storm Warning | GGW | Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 1 more | 67 hr |
| Mar 12, 1:35 AM MDT | Winter Weather Advisory | GGW | Garfield | 12 hr |
| Mar 12, 12:42 PM MDT | Special Weather Statement | TFX | Fergus | 48 min |
| Mar 12, 1:28 PM MDT | Special Weather Statement | TFX | Fergus | 62 min |
| Mar 12, 2:54 PM MDT | Special Weather Statement | TFX | Judith Basin | 66 min |
| Mar 12, 4:01 PM MDT | Special Weather Statement | TFX | Judith Basin | 59 min |
| Mar 12, 4:58 PM MDT | Special Weather Statement | TFX | Fergus | 62 min |
| Mar 12, 8:01 PM MDT | Winter Weather Advisory | MSO | Flathead, Lake, Missoula, Ravalli, Sanders | 16 hr |
| Mar 13, 1:56 AM MDT | Winter Storm Watch | GGW | Dawson, McCone, Prairie, Wibaux | 9 hr |
| Mar 13, 11:03 AM MDT | Winter Weather Advisory | GGW | Dawson, McCone, Phillips, Prairie, Richland, Roosevelt and 1 more | 33 hr |
| Mar 13, 11:53 AM MDT | Special Weather Statement | BYZ | Golden Valley, Musselshell, Powder River, Rosebud, Treasure, Yellowstone | 37 min |
| Mar 13, 12:29 PM MDT | Special Weather Statement | BYZ | Custer, Golden Valley, Musselshell, Powder River, Rosebud, Treasure | 91 min |
| Mar 13, 12:48 PM MDT | High Wind Warning | TFX | Beaverhead, Broadwater, Gallatin, Jefferson, Lewis and Clark, Madison and 1 more | 32 hr |
| Mar 13, 1:38 PM MDT | Winter Weather Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more | 34 hr |
| Mar 13, 2:11 PM MDT | Winter Storm Warning | BYZ | Carbon, Park, Powder River, Rosebud, Stillwater, Sweet Grass and 1 more | 39 hr |
| Mar 13, 2:11 PM MDT | Winter Weather Advisory | BYZ | Big Horn, Carbon, Carter, Fallon, Stillwater, Sweet Grass and 2 more | 39 hr |
| Mar 14, 11:09 AM MDT | Blizzard Warning | TFX | Cascade, Fergus, Glacier, Judith Basin, Lewis and Clark, Pondera and 2 more | 13 hr |
| Mar 14, 1:10 PM MDT | Snow Squall Warning | TFX | Broadwater | 35 min |
| Mar 14, 3:56 PM MDT | Snow Squall Warning | MSO | Lake, Sanders | 49 min |
| Mar 14, 4:57 PM MDT | Snow Squall Warning | MSO | Lake | 25 min |
| Mar 14, 5:21 PM MDT | Special Weather Statement | TFX | 54 min | |
| Mar 14, 9:05 PM MDT | Special Weather Statement | MSO | Powell | 40 min |
| Mar 15, 3:10 AM MDT | High Wind Watch | TFX | Blaine, Chouteau, Fergus, Glacier, Hill, Judith Basin and 5 more | 10 hr |
| Mar 15, 12:57 PM MDT | Winter Weather Advisory | MSO | Granite, Lake, Mineral, Missoula, Powell, Ravalli and 1 more | 23 hr |
| Mar 15, 1:03 PM MDT | High Wind Warning | TFX | Blaine, Chouteau, Fergus, Glacier, Hill, Judith Basin and 5 more | 56 hr |
| Mar 15, 1:04 PM MDT | High Wind Watch | GGW | Garfield, Petroleum, Phillips, Valley | 23 hr |
| Mar 15, 1:04 PM MDT | High Wind Warning | GGW | Garfield, Petroleum, Phillips, Valley | 65 hr |
| Mar 15, 1:50 PM MDT | Winter Weather Advisory | TFX | Glacier, Lewis and Clark, Pondera, Teton, Toole | 22 hr |
| Mar 15, 7:40 PM MDT | High Wind Watch | BYZ | Golden Valley, Stillwater | 18 hr |
| Mar 15, 7:40 PM MDT | High Wind Warning | BYZ | Golden Valley, Stillwater, Sweet Grass, Wheatland | 3 days |
| Mar 15, 7:40 PM MDT | Wind Advisory | BYZ | Park, Stillwater, Sweet Grass | 3 days |
| Mar 17, 10:49 AM MDT | Flood Watch | MSO | Lincoln, Sanders | 25 hr |
| Mar 17, 12:38 PM MDT | High Wind Warning | TFX | Fergus, Glacier, Judith Basin, Lewis and Clark, Pondera, Teton and 1 more | 58 hr |
| Mar 18, 6:35 AM MDT | Dense Fog Advisory | MSO | Missoula, Ravalli | 4 hr |
| Mar 19, 12:43 AM MDT | High Wind Watch | TFX | Broadwater, Cascade, Chouteau, Fergus, Gallatin, Glacier and 6 more | 14 hr |
| Mar 19, 2:22 PM MDT | High Wind Warning | TFX | Broadwater, Cascade, Chouteau, Fergus, Gallatin, Glacier and 6 more | 36 hr |
| Mar 19, 9:10 PM MDT | Wind Advisory | BYZ | Park | 16 hr |
| Mar 20, 4:58 PM MDT | Flood Watch | MSO | Lincoln, Mineral, Sanders | 43 hr |
| Mar 22, 12:43 AM MDT | Dense Fog Advisory | TFX | Fergus, Judith Basin | 6 hr |
| Mar 22, 11:33 PM MDT | High Wind Watch | TFX | Beaverhead, Blaine, Broadwater, Gallatin, Glacier, Hill and 7 more | 28 hr |
| Mar 23, 11:13 AM MDT | Fire Weather Watch | MSO | Beaverhead, Jefferson, Madison, Silver Bow | 25 hr |
| Mar 23, 1:00 PM MDT | Fire Weather Watch | TFX | Broadwater, Gallatin, Jefferson, Lewis and Clark, Meagher | 23 hr |
| Mar 23, 1:13 PM MDT | Fire Weather Watch | BYZ | Big Horn, Carbon, Gallatin, Golden Valley, Madison, Musselshell and 5 more | 23 hr |
| Mar 24, 3:08 AM MDT | High Wind Warning | TFX | Beaverhead, Blaine, Broadwater, Gallatin, Glacier, Hill and 7 more | 40 hr |
| Mar 24, 11:33 AM MDT | Wind Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Lincoln, Powell and 2 more | 31 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 |
| Mar 25, 12:39 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 23 hr |
| Mar 26, 1:02 AM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 21 hr |
| Mar 26, 3:00 AM MDT | Winter Weather Advisory | TFX | Cascade, Chouteau, Fergus, Judith Basin, Meagher | 5 hr |
| Mar 28, 8:05 PM MDT | Winter Weather Advisory | TFX | Glacier, Pondera | 38 hr |
| Mar 28, 8:18 PM MDT | Winter Weather Advisory | MSO | Flathead, Lake | 38 hr |
| Mar 29, 2:18 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 34 hr |
| Mar 30, 12:55 AM MDT | Winter Weather Advisory | GGW | Daniels, Roosevelt, Sheridan, Valley | 8 hr |
| Mar 30, 5:09 AM MDT | Winter Weather Advisory | BYZ | Big Horn, Carbon, Golden Valley, Park, Rosebud, Stillwater and 3 more | 52 hr |
| Mar 30, 7:03 PM MDT | Special Weather Statement | BYZ | Big Horn, Carbon, Custer, Rosebud, Treasure, Yellowstone | 87 min |
| Mar 30, 8:29 PM MDT | Special Weather Statement | BYZ | Big Horn, Powder River, Rosebud | 91 min |
| Mar 30, 9:51 PM MDT | Special Weather Statement | BYZ | Big Horn | 84 min |
| Mar 30, 10:33 PM MDT | Winter Storm Watch | TFX | Beaverhead, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 6 more | 24 hr |
| Mar 30, 11:15 PM MDT | Special Weather Statement | BYZ | Big Horn, Carbon | 90 min |
| Mar 31, 10:23 AM MDT | Winter Storm Watch | MSO | Deer Lodge, Granite, Lake, Missoula, Powell, Ravalli and 1 more | 25 hr |
| Mar 31, 12:25 PM MDT | Lake Wind Advisory | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 58 hr |
| Mar 31, 4:19 PM MDT | Winter Storm Watch | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Park and 7 more | 35 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Special Weather Statement | 16 |
| Flooding | |
| Flood Watch | 2 |
| Winter | |
| Blizzard Warning | 3 |
| Snow Squall Warning | 3 |
| Winter Storm Warning | 8 |
| Winter Storm Watch | 10 |
| Winter Weather Advisory | 25 |
| Wind and dust | |
| High Wind Warning | 15 |
| High Wind Watch | 15 |
| Blowing Dust Advisory | 1 |
| Lake Wind Advisory | 4 |
| Wind Advisory | 4 |
| Fire | |
| Red Flag Warning | 4 |
| Fire Weather Watch | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lewis and Clark County27
- Pondera County23
- Glacier County22
- Judith Basin County20
- Fergus County20
- Teton County20
- Gallatin County18
- Meagher County18
- Stillwater County18
- Toole County18
- Chouteau County17
- Golden Valley County17
- Lake County17
- Broadwater County16
- Big Horn County16
- Sweet Grass County16
- Phillips County16
- Cascade County15
- Jefferson County15
- Carbon County15
- Park County15
- Wheatland County15
- Madison County14
- Rosebud County14
- Flathead County14
- Garfield County14
- Blaine County13
- Hill County13
- Musselshell County13
- Petroleum County13
- Valley County13
- Missoula County12
- Beaverhead County12
- Liberty County12
- Sanders County12
- Yellowstone County12
- Granite County11
- Powell County11
- Ravalli County11
- Silver Bow County11
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.