Alert archive / Montana / 2022
Weather alerts in Montana, December 2022
143 weather alerts in December 2022, 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 December 2022. Tap one for its archive.
- Alerts
- 143
- Warnings
- 30
- Watches
- 12
- Advisories
- 64
- Busiest day
- December 1, 20229 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 |
|---|---|---|---|---|
| Dec 1, 4:48 AM MST | Winter Weather Advisory | MSO | Flathead, Lake, Sanders | 13 hr |
| Dec 1, 7:42 AM MST | Wind Chill Advisory | TFX | Blaine, Chouteau, Fergus, Glacier, Hill, Lewis and Clark and 4 more | 49 hr |
| Dec 1, 7:58 AM MST | Special Weather Statement | MSO | Missoula | 77 min |
| Dec 1, 10:43 AM MST | Snow Squall Warning | MSO | Ravalli | 47 min |
| Dec 1, 11:01 AM MST | Special Weather Statement | TFX | Ravalli | 44 min |
| Dec 1, 3:55 PM MST | Special Weather Statement | MSO | Deer Lodge, Silver Bow | 50 min |
| Dec 1, 4:12 PM MST | Snow Squall Warning | MSO | Deer Lodge, Granite, Powell, Silver Bow | 48 min |
| Dec 1, 4:42 PM MST | Mesoscale Discussion | SPC | Broadwater, Cascade, Deer Lodge, Fergus, Jefferson, Judith Basin and 3 more | 4 hr |
| Dec 1, 4:56 PM MST | Snow Squall Warning | MSO | Silver Bow | 19 min |
| Dec 1, 5:44 PM MST | Special Weather Statement | MSO | Flathead | 31 min |
| Dec 1, 6:28 PM MST | Special Weather Statement | BYZ | Park | 2 hr |
| Dec 2, 2:19 AM MST | Wind Chill Advisory | GGW | Daniels, Phillips, Richland, Roosevelt, Sheridan, Valley | 32 hr |
| Dec 2, 3:48 AM MST | Winter Weather Advisory | TFX | Glacier, Lewis and Clark, Pondera, Teton | 35 hr |
| Dec 2, 9:17 PM MST | Wind Advisory | BYZ | Park, Stillwater, Sweet Grass | 15 hr |
| Dec 3, 1:57 PM MST | Winter Weather Advisory | BYZ | Big Horn, Carbon, Golden Valley, Musselshell, Park, Powder River and 6 more | 49 hr |
| Dec 3, 2:36 PM MST | Winter Weather Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more | 46 hr |
| Dec 3, 2:46 PM MST | Winter Weather Advisory | TFX | Beaverhead, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 6 more | 45 hr |
| Dec 4, 1:39 PM MST | Winter Weather Advisory | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 57 hr |
| Dec 4, 2:10 PM MST | Winter Weather Advisory | TFX | Blaine, Cascade, Chouteau, Fergus, Glacier, Hill and 7 more | 57 hr |
| Dec 4, 2:13 PM MST | Winter Storm Warning | MSO | Missoula, Ravalli | 17 hr |
| Dec 4, 2:13 PM MST | Winter Weather Advisory | MSO | Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 2 more | 55 hr |
| Dec 5, 7:03 AM MST | Winter Weather Advisory | MSO | Missoula, Ravalli | 6 hr |
| Dec 5, 3:00 PM MST | Winter Weather Advisory | BYZ | Carter, Custer, Fallon, Musselshell, Park, Rosebud and 4 more | 44 hr |
| Dec 5, 3:20 PM MST | Special Weather Statement | BYZ | Rosebud, Treasure | 85 min |
| Dec 5, 6:48 PM MST | Winter Storm Warning | BYZ | Sweet Grass | 5 hr |
| Dec 6, 2:07 AM MST | Wind Chill Advisory | GGW | Daniels, Dawson, McCone, Phillips, Richland, Roosevelt and 2 more | 33 hr |
| Dec 6, 5:10 AM MST | Special Weather Statement | BYZ | Custer, Fallon, Golden Valley, Musselshell, Rosebud, Treasure and 1 more | 3 hr |
| Dec 6, 2:23 PM MST | Blizzard Warning | TFX | Glacier, Lewis and Clark, Pondera, Teton | 27 hr |
| Dec 6, 2:23 PM MST | Wind Chill Advisory | TFX | Blaine, Cascade, Chouteau, Fergus, Glacier, Hill and 6 more | 21 hr |
| Dec 6, 2:23 PM MST | Winter Weather Advisory | TFX | Blaine, Cascade, Chouteau, Fergus, Glacier, Hill and 6 more | 27 hr |
| Dec 6, 11:50 PM MST | Wind Advisory | BYZ | Park, Stillwater, Sweet Grass | 12 hr |
| Dec 7, 1:56 PM MST | High Wind Warning | BYZ | Sweet Grass, Wheatland | 11 hr |
| Dec 7, 1:56 PM MST | Wind Advisory | BYZ | Park, Stillwater, Sweet Grass | 11 hr |
| Dec 8, 10:39 AM MST | Winter Weather Advisory | MSO | Flathead, Lincoln, Mineral, Missoula, Sanders | 25 hr |
| Dec 8, 11:40 AM MST | Dense Fog Advisory | GGW | Valley | 15 hr |
| Dec 8, 1:19 PM MST | Wind Advisory | BYZ | Park, Stillwater, Sweet Grass | 16 hr |
| Dec 9, 1:30 PM MST | Winter Storm Watch | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Musselshell and 5 more | 62 hr |
| Dec 9, 1:51 PM MST | Winter Storm Watch | GGW | Dawson, Garfield, McCone, Prairie, Richland, Roosevelt and 3 more | 61 hr |
| Dec 10, 11:39 AM MST | Special Weather Statement | BYZ | Park | 111 min |
| Dec 10, 1:24 PM MST | Winter Weather Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more | 49 hr |
| Dec 10, 1:41 PM MST | Winter Weather Advisory | TFX | Beaverhead, Blaine, Broadwater, Cascade, Chouteau, Fergus and 12 more | 57 hr |
| Dec 10, 2:34 PM MST | Special Weather Statement | BYZ | Park | 116 min |
| Dec 10, 5:54 PM MST | Special Weather Statement | BYZ | Park | 3 hr |
| Dec 10, 9:10 PM MST | Special Weather Statement | BYZ | Park | 3 hr |
| Dec 11, 2:11 AM MST | Winter Weather Advisory | BYZ | Big Horn, Carbon, Golden Valley, Musselshell, Park, Stillwater and 3 more | 49 hr |
| Dec 11, 2:40 PM MST | Winter Storm Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Powder River and 2 more | 4 days |
| Dec 12, 2:29 AM MST | Winter Storm Warning | GGW | Dawson, McCone, Prairie, Richland, Roosevelt, Sheridan and 1 more | 3 days |
| Dec 12, 2:29 AM MST | Winter Weather Advisory | GGW | Daniels, Dawson, Garfield, McCone, Prairie, Richland and 4 more | 4 days |
| Dec 12, 3:23 AM MST | Blizzard Warning | BYZ | Carter, Powder River | 55 hr |
| Dec 13, 2:02 PM MST | Winter Weather Advisory | TFX | Broadwater, Cascade, Chouteau, Gallatin, Glacier, Jefferson and 5 more | 36 hr |
| Dec 13, 2:48 PM MST | Winter Weather Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more | 36 hr |
| Dec 14, 2:32 AM MST | Winter Weather Advisory | BYZ | Big Horn, Carter, Custer, Fallon, Golden Valley, Powder River and 2 more | 54 hr |
| Dec 14, 2:38 AM MST | Wind Chill Advisory | TFX | Blaine, Hill | 6 hr |
| Dec 14, 3:33 PM MST | Special Weather Statement | BYZ | Golden Valley, Stillwater, Sweet Grass | 117 min |
| Dec 14, 5:26 PM MST | Special Weather Statement | BYZ | Big Horn, Yellowstone | 19 min |
| Dec 14, 5:58 PM MST | Special Weather Statement | BYZ | Big Horn, Treasure, Yellowstone | 62 min |
| Dec 15, 11:25 AM MST | Blizzard Warning | GGW | Dawson, McCone, Prairie, Richland, Roosevelt, Sheridan and 1 more | 22 hr |
| Dec 15, 11:34 AM MST | Blizzard Warning | BYZ | Carter, Custer, Fallon, Powder River | 21 hr |
| Dec 15, 10:44 PM MST | Winter Weather Advisory | TFX | Cascade, Lewis and Clark | 4 hr |
| Dec 16, 3:20 AM MST | Wind Chill Advisory | TFX | Blaine, Cascade, Chouteau, Fergus, Glacier, Hill and 7 more | 3 days |
| Dec 16, 8:50 AM MST | Winter Weather Advisory | BYZ | Carter, Fallon | 5 hr |
| Dec 16, 1:28 PM MST | Winter Weather Advisory | MSO | Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 3 more | 71 hr |
| Dec 17, 1:52 AM MST | Winter Weather Advisory | TFX | Beaverhead, Blaine, Chouteau, Glacier, Hill, Lewis and Clark and 3 more | 58 hr |
| Dec 17, 2:14 AM MST | Winter Weather Advisory | GGW | Daniels, McCone, Phillips, Roosevelt, Valley | 33 hr |
| Dec 17, 2:02 PM MST | Special Weather Statement | BYZ | Park | 118 min |
| Dec 17, 4:42 PM MST | Special Weather Statement | BYZ | Park | 2 hr |
| Dec 18, 1:07 AM MST | Wind Chill Advisory | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 9 more | 61 hr |
| Dec 18, 2:05 AM MST | Wind Chill Watch | TFX | Blaine, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 9 more | 12 hr |
| Dec 18, 2:35 AM MST | Wind Chill Advisory | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 36 hr |
| Dec 18, 11:18 AM MST | Winter Storm Watch | MSO | Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more | 45 hr |
| Dec 18, 2:17 PM MST | Winter Storm Warning | MSO | Flathead, Lake | 21 hr |
| Dec 18, 2:28 PM MST | Wind Chill Warning | TFX | Beaverhead, Blaine, Broadwater, Cascade, Chouteau, Fergus and 12 more | 5 days |
| Dec 18, 2:28 PM MST | Winter Storm Watch | TFX | Beaverhead, Broadwater, Cascade, Gallatin, Glacier, Jefferson and 5 more | 24 hr |
| Dec 18, 2:47 PM MST | Wind Chill Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 5 days |
| Dec 19, 12:52 PM MST | Winter Storm Warning | MSO | Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more | 46 hr |
| Dec 19, 2:39 PM MST | Winter Storm Warning | TFX | Beaverhead, Broadwater, Cascade, Chouteau, Gallatin, Glacier and 7 more | 44 hr |
| Dec 19, 2:39 PM MST | Winter Weather Advisory | TFX | Beaverhead, Blaine, Broadwater, Cascade, Chouteau, Fergus and 12 more | 44 hr |
| Dec 19, 4:20 PM MST | Special Weather Statement | MSO | Missoula | 25 min |
| Dec 20, 1:06 AM MST | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass, Wheatland | 36 hr |
| Dec 20, 1:06 AM MST | Winter Weather Advisory | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 9 more | 64 hr |
| Dec 20, 2:46 AM MST | Winter Weather Advisory | GGW | Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 4 more | 30 hr |
| Dec 20, 12:50 PM MST | Mesoscale Discussion | SPC | Mineral, Sanders | 4 hr |
| Dec 20, 1:36 PM MST | Special Weather Statement | MSO | Flathead, Sanders | 54 min |
| Dec 20, 2:22 PM MST | Wind Chill Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 9 more | 70 hr |
| Dec 21, 8:44 AM MST | Wind Chill Warning | MSO | Deer Lodge, Flathead, Granite, Lake, Missoula, Powell and 3 more | 27 hr |
| Dec 21, 9:04 AM MST | Blizzard Warning | TFX | Beaverhead, Madison | 4 hr |
| Dec 21, 1:22 PM MST | Blizzard Warning | BYZ | Carter, Fallon | 34 hr |
| Dec 21, 2:21 PM MST | Winter Weather Advisory | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 27 hr |
| Dec 21, 10:03 PM MST | Winter Weather Advisory | TFX | Blaine, Chouteau, Fergus, Hill | 19 hr |
| Dec 22, 2:08 AM MST | Wind Chill Advisory | TFX | Beaverhead, Blaine, Broadwater, Cascade, Chouteau, Fergus and 12 more | 54 hr |
| Dec 22, 2:20 AM MST | Blizzard Warning | GGW | Dawson, Richland, Wibaux | 15 hr |
| Dec 22, 2:21 AM MST | High Wind Watch | TFX | Glacier, Lewis and Clark, Pondera, Teton, Toole | 36 hr |
| Dec 22, 8:23 AM MST | Mesoscale Discussion | SPC | Fallon, Wibaux | 4 hr |
| Dec 22, 9:44 AM MST | Special Weather Statement | BYZ | Sweet Grass | 4 hr |
| Dec 22, 12:55 PM MST | Mesoscale Discussion | SPC | Fallon, Richland, Wibaux | 4 hr |
| Dec 22, 2:44 PM MST | Winter Weather Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more | 3 days |
| Dec 22, 6:19 PM MST | Wind Chill Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Missoula, Powell and 3 more | 17 hr |
| Dec 23, 2:13 AM MST | Winter Storm Watch | TFX | Glacier, Lewis and Clark, Pondera, Teton, Toole | 12 hr |
| Dec 23, 10:39 AM MST | Winter Weather Advisory | TFX | Beaverhead, Blaine, Broadwater, Cascade, Chouteau, Fergus and 12 more | 25 hr |
| Dec 23, 11:51 AM MST | Wind Chill Advisory | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 27 hr |
| Dec 23, 12:53 PM MST | Wind Chill Advisory | BYZ | Carter, Custer, Fallon, Rosebud | 20 hr |
| Dec 23, 1:23 PM MST | Winter Storm Watch | MSO | Flathead, Lake, Lincoln, Mineral, Missoula, Sanders | 15 hr |
| Dec 23, 2:41 PM MST | Blizzard Warning | TFX | Glacier, Lewis and Clark, Pondera, Teton, Toole | 31 hr |
| Dec 23, 2:41 PM MST | Winter Weather Advisory | TFX | Blaine, Cascade, Chouteau, Glacier, Hill, Lewis and Clark and 4 more | 50 hr |
| Dec 23, 6:16 PM MST | Special Weather Statement | BYZ | Sweet Grass | 3 hr |
| Dec 23, 9:06 PM MST | Special Weather Statement | BYZ | Stillwater, Sweet Grass | 4 hr |
| Dec 24, 1:30 AM MST | Wind Advisory | BYZ | Park, Stillwater, Sweet Grass | 32 hr |
| Dec 24, 4:13 AM MST | Winter Storm Warning | MSO | Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 3 more | 32 hr |
| Dec 24, 4:13 AM MST | Winter Weather Advisory | MSO | Flathead, Lake, Sanders | 15 hr |
| Dec 24, 1:34 PM MST | High Wind Watch | BYZ | Carter, Custer, Fallon | 12 hr |
| Dec 24, 1:40 PM MST | High Wind Warning | TFX | Blaine, Cascade, Chouteau, Fergus, Glacier, Hill and 7 more | 19 hr |
| Dec 24, 2:45 PM MST | Winter Weather Advisory | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 9 hr |
| Dec 24, 7:19 PM MST | Areal Flood Advisory | TFX | Gallatin | 4 days |
| Dec 24, 7:22 PM MST | Winter Storm Warning | GGW | Daniels, Dawson, Garfield, McCone, Phillips, Prairie and 5 more | 22 hr |
| Dec 25, 1:23 AM MST | High Wind Watch | TFX | Beaverhead, Gallatin, Madison | 33 hr |
| Dec 25, 1:56 AM MST | Winter Weather Advisory | BYZ | Carter, Custer, Fallon | 13 hr |
| Dec 25, 3:08 AM MST | Special Weather Statement | BYZ | Custer, Fallon | 112 min |
| Dec 25, 10:11 AM MST | Blizzard Warning | GGW | Daniels, Roosevelt, Sheridan, Valley | 7 hr |
| Dec 25, 12:31 PM MST | Winter Weather Advisory | MSO | Granite, Lake, Mineral, Missoula, Powell, Sanders | 2 hr |
| Dec 26, 1:17 AM MST | High Wind Warning | TFX | Cascade, Fergus, Glacier, Judith Basin, Lewis and Clark, Madison and 3 more | 55 hr |
| Dec 26, 1:30 AM MST | Winter Storm Watch | TFX | Beaverhead, Gallatin, Madison | 9 hr |
| Dec 26, 1:45 AM MST | Wind Advisory | BYZ | Park, Stillwater, Sweet Grass | 49 hr |
| Dec 26, 5:16 AM MST | Special Weather Statement | BYZ | Custer, Fallon, Rosebud | 3 hr |
| Dec 26, 8:08 AM MST | Winter Weather Advisory | MSO | Deer Lodge, Granite, Lake, Missoula, Powell, Silver Bow | 2 hr |
| Dec 26, 10:27 AM MST | Winter Storm Warning | TFX | Beaverhead, Gallatin, Glacier, Lewis and Clark, Madison, Pondera and 1 more | 46 hr |
| Dec 26, 10:33 AM MST | Winter Weather Advisory | MSO | Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 2 more | 24 hr |
| Dec 26, 1:22 PM MST | Winter Weather Advisory | TFX | Glacier, Pondera | 12 hr |
| Dec 27, 1:22 AM MST | High Wind Watch | TFX | Cascade, Fergus, Judith Basin | 13 hr |
| Dec 27, 6:03 AM MST | Special Weather Statement | BYZ | Park | 4 hr |
| Dec 27, 11:54 AM MST | Winter Weather Advisory | MSO | Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 2 more | 26 hr |
| Dec 27, 2:14 PM MST | Special Weather Statement | BYZ | Carbon | 3 hr |
| Dec 27, 4:30 PM MST | Special Weather Statement | TFX | Gallatin | 30 min |
| Dec 27, 4:42 PM MST | Special Weather Statement | BYZ | Park | 63 min |
| Dec 27, 5:07 PM MST | Special Weather Statement | TFX | Gallatin | 38 min |
| Dec 27, 5:46 PM MST | Special Weather Statement | BYZ | Golden Valley, Stillwater, Sweet Grass | 59 min |
| Dec 27, 6:27 PM MST | Special Weather Statement | BYZ | Musselshell, Yellowstone | 93 min |
| Dec 28, 12:43 AM MST | Winter Weather Advisory | TFX | Blaine, Chouteau, Fergus, Glacier, Hill, Judith Basin and 5 more | 27 hr |
| Dec 28, 2:10 AM MST | Winter Weather Advisory | GGW | Phillips | 24 hr |
| Dec 28, 12:33 PM MST | Special Weather Statement | BYZ | Sweet Grass | 117 min |
| Dec 29, 11:04 AM MST | Winter Weather Advisory | MSO | Flathead, Lincoln, Mineral, Missoula, Sanders | 48 hr |
| Dec 30, 10:25 AM MST | Winter Weather Advisory | TFX | Beaverhead, Gallatin, Madison | 26 hr |
| Dec 30, 4:44 PM MST | Special Weather Statement | TFX | Fergus, Hill, Liberty | 61 min |
| Dec 31, 7:50 AM MST | Special Weather Statement | BYZ | Big Horn, Carbon, Park, Stillwater, Sweet Grass | 115 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Mesoscale Discussion | 4 |
| Special Weather Statement | 33 |
| Flooding | |
| Areal Flood Advisory | 1 |
| Winter | |
| Blizzard Warning | 9 |
| Snow Squall Warning | 3 |
| Winter Storm Warning | 11 |
| Winter Storm Watch | 7 |
| Winter Weather Advisory | 44 |
| Cold | |
| Wind Chill Warning | 4 |
| Wind Chill Watch | 1 |
| Wind Chill Advisory | 12 |
| Wind and dust | |
| High Wind Warning | 3 |
| High Wind Watch | 4 |
| Wind Advisory | 6 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lewis and Clark County27
- Glacier County26
- Pondera County26
- Teton County26
- Park County23
- Missoula County22
- Sweet Grass County22
- Flathead County21
- Sanders County21
- Cascade County20
- Lake County19
- Chouteau County19
- Fergus County19
- Hill County18
- Toole County18
- Judith Basin County18
- Stillwater County18
- Fallon County18
- Blaine County17
- Gallatin County17
- Granite County16
- Richland County16
- Roosevelt County16
- Mineral County16
- Ravalli County15
- Powell County15
- Meagher County15
- Valley County15
- Madison County15
- Wibaux County15
- Liberty County14
- Sheridan County14
- Beaverhead County14
- Dawson County14
- McCone County14
- Carter County14
- Custer County14
- Silver Bow County13
- Deer Lodge County12
- Daniels County12
Nearby
Alerts in force nowTornadoes on recordThe radar archive20212023
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.