Alert archive / Montana / Winter Storm Warnings
Winter Storm Warnings in Montana, 2022
55 winter storm warnings in 2022. 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 winter storm warnings reaches back to 2005.
Winter Storm Warnings by county
Each county as a circle sized by its count in 2022. Tap one for its archive.
- Winter Storm Warnings
- 55
- Busiest month
- November14 winter storm warnings
- Busiest day
- January 5, 20224 winter storm 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 |
|---|---|---|---|---|
| Jan 5, 3:31 AM MST | Winter Storm Warning | TFX | 41 hr | |
| Jan 5, 6:42 AM MST | Winter Storm Warning | MSO | Deer Lodge, Granite, Powell, Silver Bow | 4 hr |
| Jan 5, 2:14 PM MST | Winter Storm Warning | MSO | Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more | 65 hr |
| Jan 5, 2:46 PM MST | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass | 51 hr |
| Jan 12, 7:20 AM MST | Winter Storm Warning | MSO | Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 3 more | 5 hr |
| Feb 1, 9:04 PM MST | Winter Storm Warning | MSO | Deer Lodge, Granite, Powell, Silver Bow | 6 hr |
| Feb 19, 2:50 AM MST | Winter Storm Warning | TFX | 56 hr | |
| Feb 19, 6:29 AM MST | Winter Storm Warning | MSO | Deer Lodge, Flathead, Granite, Lake, Missoula, Powell and 2 more | 52 hr |
| Feb 19, 2:52 PM MST | Winter Storm Warning | GGW | Phillips | 23 hr |
| Feb 19, 2:58 PM MST | Winter Storm Warning | BYZ | Custer, Fallon, Golden Valley, Musselshell, Rosebud, Treasure and 2 more | 48 hr |
| Mar 3, 2:16 PM MST | Winter Storm Warning | BYZ | Big Horn, Carbon, Rosebud, Stillwater, Sweet Grass | 43 hr |
| Mar 7, 3:10 AM MST | Winter Storm Warning | BYZ | Carbon, Stillwater, Sweet Grass | 48 hr |
| Apr 10, 2:44 PM MDT | Winter Storm Warning | MSO | Deer Lodge, Granite, Missoula, Powell, Ravalli, Silver Bow | 45 hr |
| Apr 10, 2:55 PM MDT | Winter Storm Warning | TFX | 60 hr | |
| Apr 10, 3:12 PM MDT | Winter Storm Warning | BYZ | Big Horn, Carbon, Golden Valley, Musselshell, Park, Powder River and 6 more | 59 hr |
| Apr 11, 3:24 AM MDT | Winter Storm Warning | GGW | Daniels, Garfield, McCone, Petroleum, Phillips, Roosevelt and 1 more | 62 hr |
| Apr 16, 2:22 PM MDT | Winter Storm Warning | GGW | Sheridan | 24 hr |
| Apr 21, 2:39 AM MDT | Winter Storm Warning | TFX | 56 hr | |
| Apr 21, 3:02 AM MDT | Winter Storm Warning | BYZ | Big Horn, Carbon, Park, Stillwater, Sweet Grass | 71 hr |
| Apr 27, 2:08 PM MDT | Winter Storm Warning | TFX | 49 hr | |
| Apr 28, 1:06 AM MDT | Winter Storm Warning | BYZ | Park, Sweet Grass, Wheatland | 37 hr |
| Apr 28, 2:50 AM MDT | Winter Storm Warning | MSO | Deer Lodge, Granite, Powell, Silver Bow | 24 hr |
| May 18, 2:33 PM MDT | Winter Storm Warning | TFX | 43 hr | |
| May 28, 1:31 AM MDT | Winter Storm Warning | BYZ | Big Horn, Carbon, Park, Stillwater, Sweet Grass | 3 days |
| Jun 12, 2:58 AM MDT | Winter Storm Warning | TFX | 3 days | |
| Jun 12, 2:39 PM MDT | Winter Storm Warning | MSO | Flathead, Lake | 63 hr |
| Oct 21, 2:32 AM MDT | Winter Storm Warning | TFX | Beaverhead, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 8 more | 69 hr |
| Oct 21, 2:42 AM MDT | Winter Storm Warning | BYZ | Big Horn, Carbon, Park, Rosebud, Stillwater, Sweet Grass and 1 more | 3 days |
| Oct 21, 2:30 PM MDT | Winter Storm Warning | MSO | Deer Lodge, Flathead, Granite, Lake, Missoula, Powell and 2 more | 58 hr |
| Oct 22, 1:52 PM MDT | Winter Storm Warning | GGW | Daniels, Phillips, Valley | 46 hr |
| Nov 1, 3:02 AM MDT | Winter Storm Warning | TFX | Glacier, Pondera, Toole | 35 hr |
| Nov 1, 2:15 PM MDT | Winter Storm Warning | MSO | Flathead, Lake | 20 hr |
| Nov 3, 12:09 PM MDT | Winter Storm Warning | MSO | Granite, Missoula, Ravalli | 48 hr |
| Nov 4, 1:42 AM MDT | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass | 36 hr |
| Nov 6, 1:38 PM MST | Winter Storm Warning | BYZ | Carbon, Carter, Fallon, Park, Stillwater, Sweet Grass | 4 days |
| Nov 6, 2:13 PM MST | Winter Storm Warning | TFX | Beaverhead, Gallatin, Jefferson, Madison | 43 hr |
| Nov 8, 1:15 PM MST | Winter Storm Warning | MSO | Deer Lodge, Granite, Lake, Mineral, Missoula, Powell and 3 more | 29 hr |
| Nov 9, 2:18 AM MST | Winter Storm Warning | TFX | Beaverhead, Cascade, Gallatin, Lewis and Clark, Madison, Pondera and 1 more | 21 hr |
| Nov 9, 2:25 AM MST | Winter Storm Warning | GGW | Dawson, Garfield, McCone, Prairie, Richland, Roosevelt and 3 more | 41 hr |
| Nov 10, 2:49 PM MST | Winter Storm Warning | GGW | Garfield, McCone, Prairie | 98 min |
| Nov 26, 12:36 PM MST | Winter Storm Warning | MSO | Mineral, Missoula, Sanders | 32 hr |
| Nov 29, 1:34 PM MST | Winter Storm Warning | TFX | Beaverhead, Cascade, Chouteau, Gallatin, Glacier, Judith Basin and 5 more | 65 hr |
| Nov 29, 2:15 PM MST | Winter Storm Warning | MSO | Flathead, Lake, Lincoln, Mineral, Missoula, Sanders | 54 hr |
| Nov 30, 1:46 PM MST | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass, Wheatland | 45 hr |
| Dec 4, 2:13 PM MST | Winter Storm Warning | MSO | Missoula, Ravalli | 17 hr |
| Dec 5, 6:48 PM MST | Winter Storm Warning | BYZ | Sweet Grass | 5 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 18, 2:17 PM MST | Winter Storm Warning | MSO | Flathead, Lake | 21 hr |
| 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 20, 1:06 AM MST | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass, Wheatland | 36 hr |
| Dec 24, 4:13 AM MST | Winter Storm Warning | MSO | Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 3 more | 32 hr |
| Dec 24, 7:22 PM MST | Winter Storm Warning | GGW | Daniels, Dawson, Garfield, McCone, Phillips, Prairie and 5 more | 22 hr |
| Dec 26, 10:27 AM MST | Winter Storm Warning | TFX | Beaverhead, Gallatin, Glacier, Lewis and Clark, Madison, Pondera and 1 more | 46 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Sweet Grass County13
- Granite County12
- Missoula County12
- Carbon County12
- Powell County11
- Lake County11
- Stillwater County11
- Flathead County10
- Park County10
- Deer Lodge County9
- Silver Bow County9
- Ravalli County9
- Sanders County8
- Mineral County7
- Wheatland County6
- Big Horn County6
- Beaverhead County6
- Gallatin County6
- Madison County6
- Pondera County6
- Lincoln County5
- Rosebud County5
- McCone County5
- Sheridan County5
- Glacier County5
- Lewis and Clark County5
- Teton County5
- Phillips County4
- Garfield County4
- Roosevelt County4
- Cascade County4
- Prairie County4
- Fallon County3
- Treasure County3
- Daniels County3
- Chouteau County3
- Jefferson County3
- Judith Basin County3
- Meagher County3
- Valley County3
The busiest days
Days with the most alerts issued, by UTC date.
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.