Alert archive / Montana / Winter Storm Warnings
Winter Storm Warnings in Montana, 2019
60 winter storm warnings in 2019. 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 2019. Tap one for its archive.
- Winter Storm Warnings
- 60
- Busiest month
- February16 winter storm warnings
- Busiest day
- January 22, 20193 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 10, 6:54 AM MST | Winter Storm Warning | MSO | Mineral, Missoula, Sanders | 3 hr |
| Jan 17, 5:22 PM MST | Winter Storm Warning | MSO | Flathead, Lake, Sanders | 4 hr |
| Jan 21, 3:15 AM MST | Winter Storm Warning | BYZ | Big Horn, Carbon, Rosebud | 23 hr |
| Jan 22, 10:02 AM MST | Winter Storm Warning | MSO | Mineral, Missoula, Sanders | 25 hr |
| Jan 22, 2:42 PM MST | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass | 39 hr |
| Jan 22, 3:26 PM MST | Winter Storm Warning | TFX | 38 hr | |
| Feb 1, 1:27 PM MST | Winter Storm Warning | TFX | 54 hr | |
| Feb 1, 2:02 PM MST | Winter Storm Warning | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 61 hr |
| Feb 2, 3:45 AM MST | Winter Storm Warning | BYZ | Carbon, Golden Valley, Musselshell, Park, Rosebud, Stillwater and 3 more | 48 hr |
| Feb 2, 10:51 AM MST | Winter Storm Warning | MSO | Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more | 48 hr |
| Feb 7, 2:25 PM MST | Winter Storm Warning | TFX | 37 hr | |
| Feb 8, 10:19 AM MST | Winter Storm Warning | MSO | Deer Lodge, Flathead, Granite, Lake, Lincoln, Missoula and 3 more | 17 hr |
| Feb 11, 11:08 AM MST | Winter Storm Warning | MSO | Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 2 more | 54 hr |
| Feb 11, 2:50 PM MST | Winter Storm Warning | TFX | 54 hr | |
| Feb 14, 3:14 AM MST | Winter Storm Warning | TFX | 43 hr | |
| Feb 15, 8:44 PM MST | Winter Storm Warning | GGW | Dawson, McCone, Prairie, Valley, Wibaux | 42 hr |
| Feb 15, 8:53 PM MST | Winter Storm Warning | BYZ | Carter, Custer, Fallon, Powder River | 38 hr |
| Feb 16, 1:12 AM MST | Winter Storm Warning | TFX | 13 hr | |
| Feb 23, 3:00 AM MST | Winter Storm Warning | BYZ | Big Horn, Carbon, Golden Valley, Musselshell, Park, Rosebud and 4 more | 6 days |
| Feb 23, 11:28 AM MST | Winter Storm Warning | TFX | 3 days | |
| Feb 24, 9:46 AM MST | Winter Storm Warning | GGW | Petroleum | 47 hr |
| Feb 24, 2:20 PM MST | Winter Storm Warning | MSO | Deer Lodge, Granite, Lake, Missoula, Powell, Ravalli and 1 more | 45 hr |
| Mar 1, 3:33 AM MST | Winter Storm Warning | MSO | Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more | 30 hr |
| Mar 8, 2:55 AM MST | Winter Storm Warning | BYZ | Carter, Powder River | 31 hr |
| Mar 12, 3:44 PM MDT | Winter Storm Warning | BYZ | Rosebud | 35 hr |
| Mar 26, 3:03 PM MDT | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass, Wheatland | 59 hr |
| Apr 8, 3:06 PM MDT | Winter Storm Warning | TFX | 47 hr | |
| Apr 8, 4:50 PM MDT | Winter Storm Warning | BYZ | Carbon, Carter, Park, Powder River, Stillwater, Sweet Grass and 1 more | 58 hr |
| Apr 27, 3:38 AM MDT | Winter Storm Warning | MSO | Flathead, Lake | 32 hr |
| Apr 28, 9:27 AM MDT | Winter Storm Warning | BYZ | Golden Valley, Wheatland | 14 hr |
| Apr 29, 4:00 AM MDT | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass | 54 hr |
| May 21, 3:46 AM MDT | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass, Wheatland | 47 hr |
| May 26, 1:08 PM MDT | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass | 46 hr |
| Sep 20, 10:53 AM MDT | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass | 25 hr |
| Sep 26, 4:15 AM MDT | Winter Storm Warning | TFX | 4 days | |
| Sep 26, 2:33 PM MDT | Winter Storm Warning | MSO | Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more | 3 days |
| Sep 27, 2:28 PM MDT | Winter Storm Warning | GGW | Phillips | 54 hr |
| Sep 27, 2:54 PM MDT | Winter Storm Warning | BYZ | Carbon, Golden Valley, Park, Stillwater, Sweet Grass, Wheatland | 48 hr |
| Oct 7, 3:08 AM MDT | Winter Storm Warning | TFX | 69 hr | |
| Oct 7, 2:55 PM MDT | Winter Storm Warning | MSO | Deer Lodge, Granite, Powell, Silver Bow | 44 hr |
| Oct 8, 3:32 AM MDT | Winter Storm Warning | GGW | Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 2 more | 48 hr |
| Oct 8, 4:02 AM MDT | Winter Storm Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 8 more | 47 hr |
| Oct 27, 1:48 PM MDT | Winter Storm Warning | TFX | 31 hr | |
| Oct 27, 2:43 PM MDT | Winter Storm Warning | BYZ | Carbon, Stillwater, Sweet Grass | 37 hr |
| Oct 28, 9:58 AM MDT | Winter Storm Warning | MSO | Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more | 11 hr |
| Nov 9, 2:43 AM MST | Winter Storm Warning | GGW | Garfield, Petroleum, Phillips, Valley | 38 hr |
| Nov 9, 3:01 AM MST | Winter Storm Warning | TFX | 39 hr | |
| Nov 10, 9:28 AM MST | Winter Storm Warning | MSO | Deer Lodge, Granite, Powell, Silver Bow | 11 hr |
| Nov 18, 1:45 PM MST | Winter Storm Warning | MSO | Flathead, Lake | 21 hr |
| Nov 18, 2:46 PM MST | Winter Storm Warning | TFX | 24 hr | |
| Nov 19, 12:08 PM MST | Winter Storm Warning | GGW | Daniels, Sheridan, Valley | 23 hr |
| Nov 26, 2:42 AM MST | Winter Storm Warning | TFX | 66 hr | |
| Nov 27, 2:53 AM MST | Winter Storm Warning | TFX | 42 hr | |
| Nov 27, 10:22 AM MST | Winter Storm Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 9 more | 3 days |
| Nov 28, 2:44 AM MST | Winter Storm Warning | TFX | 56 hr | |
| Nov 28, 4:11 AM MST | Winter Storm Warning | GGW | Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 2 more | 64 hr |
| Dec 11, 1:35 PM MST | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass | 49 hr |
| Dec 19, 1:27 PM MST | Winter Storm Warning | MSO | Flathead, Lincoln, Mineral, Missoula, Sanders | 19 hr |
| Dec 19, 1:30 PM MST | Winter Storm Warning | TFX | 20 hr | |
| Dec 30, 1:48 PM MST | Winter Storm Warning | TFX | 38 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Carbon County15
- Stillwater County14
- Sweet Grass County14
- Park County13
- Missoula County10
- Sanders County10
- Flathead County10
- Lake County10
- Wheatland County9
- Granite County9
- Powell County9
- Mineral County8
- Deer Lodge County8
- Silver Bow County8
- Rosebud County6
- Golden Valley County6
- Petroleum County5
- Phillips County5
- Ravalli County5
- Carter County5
- Powder River County5
- Big Horn County4
- Dawson County4
- Garfield County4
- McCone County4
- Prairie County4
- Valley County4
- Wibaux County4
- Musselshell County4
- Treasure County4
- Lincoln County4
- Richland County3
- Custer County3
- Fallon County3
- Daniels County2
- Sheridan County2
- Roosevelt County1
- Yellowstone County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20182020
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.