Alert archive / Montana / 2021
Weather alerts in Montana, March 2021
71 weather alerts in March 2021, 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 2021. Tap one for its archive.
- Alerts
- 71
- Warnings
- 14
- Watches
- 13
- Advisories
- 20
- Busiest day
- March 27, 202110 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 4, 8:10 PM MST | Dense Fog Advisory | GGW | Roosevelt, Sheridan | 14 hr |
| Mar 5, 1:18 PM MST | Fire Weather Watch | GGW | Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 3 more | 13 hr |
| Mar 6, 2:24 AM MST | Red Flag Warning | GGW | Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 3 more | 18 hr |
| Mar 7, 1:51 PM MST | Winter Weather Advisory | MSO | Deer Lodge, Granite, Lake, Missoula, Powell, Ravalli and 1 more | 45 hr |
| Mar 7, 2:03 PM MST | Winter Weather Advisory | TFX | 45 hr | |
| Mar 8, 2:20 PM MST | Winter Weather Advisory | GGW | Phillips, Valley | 19 hr |
| Mar 10, 6:43 AM MST | Dense Fog Advisory | GGW | Sheridan | 5 hr |
| Mar 10, 2:57 PM MST | Special Weather Statement | TFX | Blaine, Cascade, Chouteau, Hill, Pondera, Teton | 63 min |
| Mar 10, 3:56 PM MST | Special Weather Statement | TFX | Jefferson | 49 min |
| Mar 10, 4:40 PM MST | Special Weather Statement | TFX | Madison | 50 min |
| Mar 10, 5:33 PM MST | Special Weather Statement | TFX | Gallatin | 57 min |
| Mar 11, 2:06 AM MST | Dense Fog Advisory | BYZ | Golden Valley, Wheatland | 6 hr |
| Mar 15, 12:43 PM MDT | Winter Weather Advisory | BYZ | Big Horn, Carbon, Rosebud | 26 hr |
| Mar 17, 6:23 AM MDT | Special Weather Statement | BYZ | Carter, Custer, Fallon, Powder River, Rosebud, Treasure | 3 hr |
| Mar 19, 1:06 PM MDT | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass | 37 hr |
| Mar 19, 3:03 PM MDT | Winter Weather Advisory | TFX | 33 hr | |
| Mar 19, 4:02 PM MDT | Special Weather Statement | TFX | Broadwater, Cascade, Meagher | 58 min |
| Mar 19, 6:05 PM MDT | Special Weather Statement | TFX | Madison | 25 min |
| Mar 19, 7:06 PM MDT | Winter Weather Advisory | BYZ | Carbon, Stillwater, Sweet Grass | 31 hr |
| Mar 21, 3:14 AM MDT | Red Flag Warning | GGW | Daniels, Roosevelt, Sheridan, Valley | 16 hr |
| Mar 21, 7:08 AM MDT | Special Weather Statement | MSO | Missoula | 37 min |
| Mar 21, 1:51 PM MDT | Winter Weather Advisory | MSO | Flathead, Lake | 22 hr |
| Mar 22, 2:30 AM MDT | Winter Weather Advisory | BYZ | Carbon, Park, Stillwater, Sweet Grass | 43 hr |
| Mar 22, 3:02 AM MDT | Winter Weather Advisory | TFX | 39 hr | |
| Mar 22, 2:27 PM MDT | Winter Weather Advisory | MSO | Flathead, Lake, Sanders | 19 hr |
| Mar 24, 7:35 AM MDT | Special Weather Statement | BYZ | Stillwater, Sweet Grass | 115 min |
| Mar 24, 12:03 PM MDT | Winter Weather Advisory | BYZ | Big Horn, Carbon, Park, Stillwater, Sweet Grass | 63 hr |
| Mar 24, 1:52 PM MDT | Winter Weather Advisory | MSO | Flathead, Granite, Lake, Mineral, Missoula, Ravalli and 1 more | 19 hr |
| Mar 25, 6:58 PM MDT | Special Weather Statement | MSO | Silver Bow | 62 min |
| Mar 26, 3:12 AM MDT | Fire Weather Watch | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 24 hr |
| Mar 26, 11:59 AM MDT | Fire Weather Watch | MSO | Beaverhead, Deer Lodge, Granite, Jefferson, Madison, Powell and 1 more | 24 hr |
| Mar 26, 1:45 PM MDT | Fire Weather Watch | BYZ | Carter, Fallon | 24 hr |
| Mar 26, 1:49 PM MDT | High Wind Watch | MSO | Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more | 24 hr |
| Mar 26, 3:06 PM MDT | High Wind Watch | TFX | 23 hr | |
| Mar 26, 3:15 PM MDT | Fire Weather Watch | TFX | Blaine, Cascade, Chouteau, Fergus, Hill, Judith Basin and 2 more | 11 hr |
| Mar 27, 2:29 AM MDT | High Wind Warning | TFX | 64 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 | High Wind Watch | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 9 more | 23 hr |
| Mar 27, 3:15 AM MDT | Wind Advisory | BYZ | Park | 31 hr |
| Mar 27, 3:15 AM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 41 hr |
| Mar 27, 6:59 AM MDT | Dense Fog Advisory | GGW | Daniels, Roosevelt, Sheridan, Valley | 3 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 27, 1:58 PM MDT | High Wind Warning | MSO | Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more | 43 hr |
| Mar 27, 2:16 PM MDT | High Wind Watch | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 13 hr |
| Mar 28, 2:27 AM MDT | High Wind Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 9 more | 40 hr |
| Mar 28, 3:11 AM MDT | High Wind Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 45 hr |
| Mar 28, 3:32 AM MDT | Winter Weather Advisory | TFX | 48 hr | |
| Mar 28, 11:03 AM MDT | Winter Weather Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more | 24 hr |
| Mar 29, 5:52 AM MDT | Special Weather Statement | BYZ | Carbon, Golden Valley, Musselshell, Park, Stillwater, Sweet Grass and 2 more | 113 min |
| Mar 29, 6:14 AM MDT | Special Weather Statement | TFX | Glacier, Liberty, Pondera, Toole | 61 min |
| Mar 29, 7:08 AM MDT | Special Weather Statement | TFX | Cascade, Chouteau, Glacier, Hill, Liberty, Pondera and 2 more | 52 min |
| Mar 29, 7:29 AM MDT | Special Weather Statement | BYZ | Big Horn | 3 hr |
| Mar 29, 8:02 AM MDT | Special Weather Statement | TFX | Cascade, Chouteau, Glacier, Hill, Liberty, Pondera and 2 more | 43 min |
| Mar 29, 8:40 AM MDT | Special Weather Statement | TFX | Cascade, Chouteau, Glacier, Judith Basin, Pondera, Teton and 1 more | 50 min |
| Mar 29, 9:26 AM MDT | Special Weather Statement | TFX | Cascade, Fergus, Glacier, Judith Basin, Pondera, Teton and 1 more | 49 min |
| Mar 29, 10:14 AM MDT | Special Weather Statement | TFX | Cascade, Fergus, Judith Basin, Teton | 46 min |
| Mar 29, 11:04 AM MDT | Special Weather Statement | TFX | Cascade, Fergus, Judith Basin, Meagher, Teton | 56 min |
| Mar 29, 7:17 PM MDT | Special Weather Statement | TFX | Broadwater, Cascade, Chouteau, Glacier, Judith Basin, Lewis and Clark and 3 more | 58 min |
| Mar 29, 8:46 PM MDT | Special Weather Statement | MSO | Powell | 59 min |
| Mar 29, 9:02 PM MDT | Special Weather Statement | TFX | Cascade, Judith Basin, Pondera, Teton | 58 min |
| Mar 29, 10:30 PM MDT | Special Weather Statement | TFX | Cascade, Judith Basin, Teton | 60 min |
| Mar 29, 11:31 PM MDT | Special Weather Statement | TFX | Cascade, Judith Basin, Teton | 59 min |
| Mar 30, 3:48 AM MDT | Winter Weather Advisory | TFX | 5 hr | |
| Mar 30, 2:05 PM MDT | Fire Weather Watch | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 25 hr |
| Mar 30, 2:14 PM MDT | Fire Weather Watch | TFX | Blaine, Cascade, Chouteau, Fergus, Glacier, Hill and 8 more | 37 hr |
| Mar 31, 3:02 AM MDT | Fire Weather Watch | BYZ | Carter, Fallon | 12 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 | Fire Weather Watch | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 12 hr |
| Mar 31, 2:50 PM MDT | Red Flag Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 30 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 | 24 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Weather Advisory | 15 |
| Wind and dust | |
| High Wind Warning | 4 |
| High Wind Watch | 4 |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 9 |
| Fire Weather Watch | 9 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cascade County16
- Phillips County14
- Teton County14
- Valley County12
- Judith Basin County12
- Pondera County11
- Sheridan County10
- Roosevelt County9
- Garfield County9
- McCone County9
- Petroleum County9
- Chouteau County9
- Glacier County9
- Dawson County8
- Prairie County8
- Richland County8
- Wibaux County8
- Carbon County8
- Stillwater County8
- Sweet Grass County8
- Daniels County8
- Toole County8
- Lake County7
- Silver Bow County7
- Hill County7
- Carter County7
- Fallon County7
- Park County7
- Meagher County7
- Fergus County7
- Granite County6
- Missoula County6
- Powell County6
- Flathead County6
- Liberty County6
- Deer Lodge County5
- Ravalli County5
- Blaine County5
- Jefferson County5
- Big Horn County5
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.