Alert archive / Montana / 2020
Weather alerts in Montana, March 2020
105 weather alerts in March 2020, 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 2020. Tap one for its archive.
- Alerts
- 105
- Warnings
- 27
- Watches
- 11
- Advisories
- 37
- Busiest day
- March 2, 202013 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 |
|---|---|---|---|---|
| Feb 29, 5:09 PM MST | Special Weather Statement | MSO | 36 min | |
| Feb 29, 9:09 PM MST | Special Weather Statement | MSO | Mineral | 36 min |
| Feb 29, 9:48 PM MST | Special Weather Statement | MSO | Mineral | 57 min |
| Mar 1, 6:35 PM MST | Areal Flood Advisory | GGW | Phillips, Valley | 42 hr |
| Mar 1, 7:57 PM MST | Areal Flood Advisory | GGW | McCone | 66 hr |
| Mar 1, 9:06 PM MST | River Flood Warning | GGW | Valley | 50 hr |
| Mar 1, 10:56 PM MST | High Wind Warning | TFX | 68 hr | |
| Mar 2, 3:08 AM MST | High Wind Warning | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 8 more | 65 hr |
| Mar 2, 3:08 AM MST | Wind Advisory | BYZ | Park, Stillwater, Sweet Grass | 65 hr |
| Mar 2, 8:47 AM MST | High Wind Watch | TFX | 17 hr | |
| Mar 2, 8:53 AM MST | Winter Weather Advisory | TFX | 27 hr | |
| Mar 2, 2:06 PM MST | Red Flag Warning | GGW | Garfield, McCone, Petroleum, Phillips, Valley | 52 hr |
| Mar 2, 2:06 PM MST | High Wind Watch | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 5 more | 13 hr |
| Mar 2, 2:06 PM MST | High Wind Warning | GGW | Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 2 more | 52 hr |
| Mar 2, 2:41 PM MST | Winter Weather Advisory | MSO | Flathead, Lake | 17 hr |
| Mar 2, 4:43 PM MST | Flash Flood Watch | GGW | Dawson | 24 hr |
| Mar 3, 3:25 AM MST | Red Flag Warning | BYZ | Big Horn, Golden Valley, Musselshell, Powder River, Rosebud, Stillwater and 4 more | 39 hr |
| Mar 3, 1:55 PM MST | Winter Weather Advisory | TFX | 21 hr | |
| Mar 3, 2:23 PM MST | High Wind Watch | MSO | Deer Lodge, Granite, Missoula, Powell, Ravalli, Silver Bow | 17 hr |
| Mar 3, 2:23 PM MST | Wind Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Lincoln, Missoula and 4 more | 27 hr |
| Mar 3, 2:26 PM MST | Winter Weather Advisory | MSO | Flathead, Granite, Lake, Mineral, Missoula, Ravalli and 1 more | 21 hr |
| Mar 4, 8:00 AM MST | High Wind Warning | MSO | Flathead, Lake | 3 hr |
| Mar 4, 8:03 AM MST | Special Weather Statement | TFX | Glacier | 27 min |
| Mar 4, 10:33 AM MST | Special Weather Statement | TFX | Cascade | 42 min |
| Mar 4, 10:39 AM MST | Special Weather Statement | TFX | 36 min | |
| Mar 4, 11:25 AM MST | Special Weather Statement | TFX | Judith Basin | 50 min |
| Mar 4, 1:22 PM MST | Special Weather Statement | TFX | Fergus, Judith Basin | 38 min |
| Mar 4, 2:20 PM MST | River Flood Warning | GGW | Valley | 24 hr |
| Mar 4, 2:29 PM MST | Special Weather Statement | TFX | Fergus, Judith Basin | 61 min |
| Mar 5, 7:57 AM MST | Areal Flood Advisory | GGW | Phillips, Valley | 8 days |
| Mar 5, 11:46 AM MST | Areal Flood Advisory | BYZ | Big Horn | 52 hr |
| Mar 5, 9:29 PM MST | River Flood Warning | GGW | Valley | 32 hr |
| Mar 6, 9:45 AM MST | River Flood Warning | GGW | Valley | 6 days |
| Mar 7, 1:11 PM MST | River Flood Warning | GGW | Valley | 58 hr |
| Mar 7, 1:11 PM MST | River Flood Warning | GGW | Valley | 5 days |
| Mar 7, 11:19 PM MST | Winter Weather Advisory | TFX | 4 hr | |
| Mar 9, 3:32 AM MDT | High Wind Watch | TFX | 24 hr | |
| Mar 9, 5:18 AM MDT | Areal Flood Advisory | GGW | Sheridan | 4 days |
| Mar 9, 2:47 PM MDT | Winter Weather Advisory | BYZ | Carbon, Stillwater, Sweet Grass | 13 hr |
| Mar 9, 4:49 PM MDT | Special Weather Statement | BYZ | Stillwater | 56 min |
| Mar 10, 3:31 AM MDT | High Wind Warning | BYZ | Sweet Grass | 32 hr |
| Mar 10, 3:31 AM MDT | Wind Advisory | BYZ | Park, Stillwater, Sweet Grass | 32 hr |
| Mar 10, 3:45 AM MDT | High Wind Warning | TFX | 29 hr | |
| Mar 10, 2:30 PM MDT | Winter Weather Advisory | MSO | Flathead, Lake | 21 hr |
| Mar 10, 2:41 PM MDT | Winter Storm Watch | TFX | 37 hr | |
| Mar 10, 2:41 PM MDT | Winter Weather Advisory | TFX | 36 hr | |
| Mar 11, 12:38 AM MDT | River Flood Warning | GGW | Roosevelt | 24 hr |
| Mar 11, 3:14 AM MDT | Winter Weather Advisory | BYZ | Big Horn, Carbon, Stillwater, Sweet Grass | 30 hr |
| Mar 11, 2:13 PM MDT | Winter Storm Watch | MSO | Flathead, Lake, Lincoln, Sanders | 24 hr |
| Mar 11, 2:43 PM MDT | Winter Storm Watch | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more | 37 hr |
| Mar 11, 5:55 PM MDT | Special Weather Statement | TFX | Cascade | 50 min |
| Mar 11, 6:20 PM MDT | Special Weather Statement | MSO | Lake | 40 min |
| Mar 11, 6:45 PM MDT | Winter Weather Advisory | MSO | Deer Lodge, Granite, Lake, Missoula, Powell, Silver Bow | 5 hr |
| Mar 11, 7:05 PM MDT | Special Weather Statement | MSO | Missoula | 55 min |
| Mar 11, 7:16 PM MDT | Special Weather Statement | TFX | Cascade, Chouteau, Judith Basin, Lewis and Clark, Teton | 119 min |
| Mar 11, 8:16 PM MDT | Special Weather Statement | MSO | Missoula | 59 min |
| Mar 12, 3:39 AM MDT | Winter Storm Watch | BYZ | Golden Valley, Musselshell, Wheatland | 11 hr |
| Mar 12, 3:50 AM MDT | Winter Storm Warning | TFX | 3 days | |
| Mar 12, 2:04 PM MDT | Winter Weather Advisory | TFX | 72 hr | |
| Mar 12, 2:24 PM MDT | Winter Storm Warning | MSO | Flathead, Lake | 23 hr |
| Mar 12, 2:24 PM MDT | Winter Weather Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more | 49 hr |
| Mar 12, 2:57 PM MDT | Winter Storm Warning | BYZ | Carbon, Golden Valley, Musselshell, Park, Stillwater, Sweet Grass and 1 more | 3 days |
| Mar 12, 2:57 PM MDT | Winter Weather Advisory | BYZ | Carbon, Golden Valley, Musselshell, Park, Rosebud, Stillwater and 3 more | 3 days |
| Mar 13, 3:07 AM MDT | Winter Storm Watch | BYZ | Carbon, Park, Stillwater, Sweet Grass | 23 hr |
| Mar 13, 3:25 AM MDT | Winter Storm Watch | TFX | 10 hr | |
| Mar 13, 3:26 AM MDT | High Wind Warning | MSO | Flathead, Lake, Lincoln, Sanders | 32 hr |
| Mar 13, 3:26 AM MDT | Wind Advisory | MSO | Missoula, Ravalli | 23 hr |
| Mar 13, 3:27 AM MDT | Winter Storm Warning | GGW | Garfield, Petroleum, Phillips, Valley | 59 hr |
| Mar 13, 3:27 AM MDT | Winter Weather Advisory | GGW | Daniels, Dawson, Garfield, McCone, Petroleum, Prairie and 3 more | 3 days |
| Mar 14, 2:59 AM MDT | Winter Weather Advisory | MSO | Flathead, Lincoln, Sanders | 12 hr |
| Mar 14, 8:05 AM MDT | Special Weather Statement | MSO | Ravalli | 55 min |
| Mar 14, 8:47 AM MDT | Blizzard Warning | TFX | 7 hr | |
| Mar 14, 11:57 PM MDT | Wind Chill Advisory | TFX | 11 hr | |
| Mar 15, 2:46 AM MDT | Special Weather Statement | BYZ | Carter, Custer, Fallon, Powder River | 3 hr |
| Mar 15, 5:47 AM MDT | Special Weather Statement | BYZ | Carter, Custer, Fallon, Powder River | 118 min |
| Mar 18, 8:03 PM MDT | Winter Weather Advisory | BYZ | Carter, Fallon | 13 hr |
| Mar 23, 1:15 PM MDT | Winter Weather Advisory | BYZ | Carbon, Golden Valley, Musselshell, Park, Stillwater, Sweet Grass and 2 more | 44 hr |
| Mar 24, 2:30 PM MDT | Winter Weather Advisory | TFX | 34 hr | |
| Mar 24, 2:38 PM MDT | Winter Storm Warning | BYZ | Sweet Grass, Wheatland | 19 hr |
| Mar 24, 4:16 PM MDT | Special Weather Statement | MSO | Missoula | 44 min |
| Mar 25, 1:58 PM MDT | Special Weather Statement | TFX | 62 min | |
| Mar 25, 2:44 PM MDT | Special Weather Statement | TFX | Jefferson | 61 min |
| Mar 25, 2:59 PM MDT | Special Weather Statement | TFX | 46 min | |
| Mar 25, 3:02 PM MDT | Special Weather Statement | BYZ | Musselshell | 58 min |
| Mar 25, 3:06 PM MDT | Special Weather Statement | TFX | 54 min | |
| Mar 25, 4:50 PM MDT | Special Weather Statement | TFX | Jefferson | 25 min |
| Mar 25, 5:23 PM MDT | Special Weather Statement | BYZ | Treasure | 52 min |
| Mar 29, 12:19 PM MDT | Areal Flood Advisory | GGW | Daniels, Phillips, Valley | 60 hr |
| Mar 29, 2:06 PM MDT | Winter Weather Advisory | TFX | 70 hr | |
| Mar 29, 2:27 PM MDT | Wind Advisory | MSO | Flathead, Lake, Lincoln, Mineral, Missoula, Ravalli and 1 more | 31 hr |
| Mar 29, 2:29 PM MDT | Winter Weather Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more | 70 hr |
| Mar 30, 5:39 AM MDT | Winter Weather Advisory | MSO | Mineral, Missoula, Sanders | 28 hr |
| Mar 30, 2:03 PM MDT | Winter Weather Advisory | GGW | Phillips | 13 hr |
| Mar 30, 2:39 PM MDT | Winter Storm Warning | BYZ | Carbon, Park, Stillwater, Sweet Grass | 69 hr |
| Mar 30, 4:11 PM MDT | Special Weather Statement | MSO | Mineral | 34 min |
| Mar 30, 4:46 PM MDT | Special Weather Statement | MSO | Lake | 29 min |
| Mar 30, 5:14 PM MDT | Special Weather Statement | MSO | Missoula | 31 min |
| Mar 30, 5:46 PM MDT | Special Weather Statement | MSO | Missoula | 29 min |
| Mar 31, 3:21 AM MDT | Winter Storm Warning | GGW | Garfield, Petroleum, Phillips | 35 hr |
| Mar 31, 3:21 AM MDT | Winter Weather Advisory | GGW | Dawson, Garfield, McCone, Petroleum, Phillips, Prairie and 4 more | 39 hr |
| Mar 31, 3:23 AM MDT | Winter Weather Advisory | BYZ | Big Horn, Carbon, Carter, Golden Valley, Musselshell, Park and 5 more | 61 hr |
| Mar 31, 3:28 AM MDT | Winter Weather Advisory | TFX | 17 hr | |
| Mar 31, 2:14 PM MDT | Winter Storm Warning | TFX | 22 hr | |
| Mar 31, 3:41 PM MDT | River Flood Warning | GGW | Valley | 41 hr |
| Mar 31, 3:47 PM MDT | River Flood Warning | GGW | Valley | 41 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 | 30 |
| Flooding | |
| River Flood Warning | 9 |
| Flash Flood Watch | 1 |
| Areal Flood Advisory | 6 |
| Winter | |
| Blizzard Warning | 1 |
| Winter Storm Warning | 8 |
| Winter Storm Watch | 6 |
| Winter Weather Advisory | 25 |
| Cold | |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 7 |
| High Wind Watch | 4 |
| Wind Advisory | 5 |
| Fire | |
| Red Flag Warning | 2 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Valley County17
- Sweet Grass County14
- Lake County14
- Missoula County14
- Stillwater County13
- Flathead County12
- Phillips County11
- Carbon County9
- Sanders County9
- Mineral County8
- Musselshell County8
- Park County8
- Garfield County8
- Petroleum County8
- Ravalli County8
- McCone County7
- Golden Valley County7
- Wheatland County7
- Lincoln County7
- Dawson County6
- Granite County6
- Big Horn County5
- Carter County5
- Powder River County5
- Prairie County5
- Roosevelt County5
- Deer Lodge County5
- Powell County5
- Silver Bow County5
- Fallon County4
- Rosebud County4
- Treasure County4
- Yellowstone County4
- Daniels County4
- Richland County4
- Judith Basin County4
- Sheridan County4
- Custer County3
- Wibaux County3
- Cascade County3
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.