Alert archive / Montana / 2023
Weather alerts in Montana, April 2023
145 weather alerts in April 2023, 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 April 2023. Tap one for its archive.
- Alerts
- 145
- Warnings
- 32
- Watches
- 15
- Advisories
- 41
- Busiest day
- April 18, 202323 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 |
|---|---|---|---|---|
| Apr 1, 2:21 AM MDT | Winter Weather Advisory | GGW | Daniels, Phillips, Roosevelt, Sheridan, Valley | 31 hr |
| Apr 1, 3:20 AM MDT | High Wind Warning | TFX | Beaverhead, Blaine, Cascade, Chouteau, Fergus, Gallatin and 9 more | 35 hr |
| Apr 1, 1:30 PM MDT | Winter Storm Watch | BYZ | Big Horn, Carbon, Carter, Park, Stillwater, Sweet Grass | 37 hr |
| Apr 1, 2:09 PM MDT | Snow Squall Warning | TFX | Lewis and Clark | 51 min |
| Apr 1, 2:33 PM MDT | High Wind Warning | GGW | Garfield, Petroleum, Phillips | 27 hr |
| Apr 1, 2:53 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 37 min |
| Apr 1, 3:03 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 27 min |
| Apr 1, 3:12 PM MDT | Special Weather Statement | MSO | Silver Bow | 63 min |
| Apr 1, 3:35 PM MDT | Special Weather Statement | TFX | Cascade | 25 min |
| Apr 1, 3:44 PM MDT | Special Weather Statement | TFX | Jefferson | 46 min |
| Apr 1, 3:48 PM MDT | Special Weather Statement | TFX | Cascade | 42 min |
| Apr 1, 4:01 PM MDT | Snow Squall Warning | TFX | Broadwater, Jefferson, Madison | 21 min |
| Apr 1, 4:15 PM MDT | Special Weather Statement | TFX | Beaverhead | 30 min |
| Apr 1, 4:20 PM MDT | Special Weather Statement | TFX | Broadwater, Jefferson, Meagher | 40 min |
| Apr 1, 4:26 PM MDT | Special Weather Statement | TFX | Chouteau | 34 min |
| Apr 1, 4:47 PM MDT | Special Weather Statement | TFX | Judith Basin | 58 min |
| Apr 1, 4:51 PM MDT | Special Weather Statement | TFX | Broadwater, Meagher | 54 min |
| Apr 1, 4:59 PM MDT | Special Weather Statement | TFX | Beaverhead, Gallatin, Madison | 61 min |
| Apr 1, 5:40 PM MDT | Special Weather Statement | TFX | Hill | 35 min |
| Apr 1, 5:44 PM MDT | Special Weather Statement | TFX | Chouteau, Fergus, Judith Basin | 61 min |
| Apr 1, 6:09 PM MDT | Special Weather Statement | TFX | Gallatin, Madison | 66 min |
| Apr 1, 7:02 PM MDT | Special Weather Statement | BYZ | Golden Valley, Stillwater, Sweet Grass | 43 min |
| Apr 1, 7:23 PM MDT | Special Weather Statement | MSO | Missoula | 37 min |
| Apr 1, 7:23 PM MDT | Special Weather Statement | TFX | Madison | 67 min |
| Apr 1, 7:47 PM MDT | Special Weather Statement | MSO | Missoula | 28 min |
| Apr 1, 7:53 PM MDT | Special Weather Statement | BYZ | Golden Valley, Musselshell, Stillwater | 22 min |
| Apr 1, 8:04 PM MDT | Special Weather Statement | GGW | Petroleum | 56 min |
| Apr 1, 8:17 PM MDT | Special Weather Statement | BYZ | Musselshell, Stillwater, Yellowstone | 43 min |
| Apr 1, 8:19 PM MDT | Special Weather Statement | MSO | Missoula | 41 min |
| Apr 1, 9:20 PM MDT | Special Weather Statement | MSO | Flathead | 55 min |
| Apr 2, 2:24 PM MDT | Winter Weather Advisory | GGW | Daniels, Phillips, Roosevelt, Sheridan, Valley | 21 hr |
| Apr 2, 2:48 PM MDT | Winter Storm Warning | BYZ | Big Horn, Carbon, Carter, Park, Powder River, Stillwater and 1 more | 51 hr |
| Apr 2, 3:23 PM MDT | Winter Weather Advisory | MSO | Granite, Missoula, Ravalli | 21 hr |
| Apr 3, 2:37 AM MDT | Winter Weather Advisory | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Powder River and 3 more | 49 hr |
| Apr 3, 2:27 PM MDT | Winter Weather Advisory | GGW | Wibaux | 37 hr |
| Apr 4, 5:23 AM MDT | Special Weather Statement | BYZ | Park | 3 hr |
| Apr 5, 5:51 PM MDT | Special Weather Statement | TFX | Fergus | 69 min |
| Apr 5, 5:57 PM MDT | Special Weather Statement | TFX | Fergus | 63 min |
| Apr 5, 6:29 PM MDT | Special Weather Statement | TFX | Judith Basin | 46 min |
| Apr 5, 6:48 PM MDT | Special Weather Statement | TFX | Wheatland | 72 min |
| Apr 5, 7:14 PM MDT | Special Weather Statement | TFX | Judith Basin | 61 min |
| Apr 8, 10:23 AM MDT | Flood Watch | TFX | Beaverhead, Blaine, Broadwater, Chouteau, Fergus, Gallatin and 8 more | 4 days |
| Apr 8, 1:51 PM MDT | High Wind Watch | TFX | Glacier, Pondera | 13 hr |
| Apr 8, 5:21 PM MDT | Areal Flood Advisory | TFX | Blaine, Chouteau, Hill | 3 hr |
| Apr 8, 5:43 PM MDT | River Flood Warning | TFX | Blaine | 9 hr |
| Apr 8, 8:35 PM MDT | Areal Flood Advisory | TFX | Blaine, Chouteau, Hill | 67 hr |
| Apr 8, 10:06 PM MDT | Areal Flood Advisory | GGW | Phillips | 8 days |
| Apr 9, 2:29 AM MDT | High Wind Watch | TFX | Beaverhead, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 10 more | 36 hr |
| Apr 9, 2:29 AM MDT | High Wind Warning | TFX | Glacier, Pondera | 31 hr |
| Apr 9, 10:02 AM MDT | Areal Flood Advisory | GGW | Valley | 7 days |
| Apr 9, 2:34 PM MDT | Wind Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Lincoln, Powell and 2 more | 52 hr |
| Apr 9, 8:54 PM MDT | Areal Flood Advisory | GGW | Daniels, Roosevelt, Sheridan, Valley | 7 days |
| Apr 10, 5:23 AM MDT | River Flood Warning | GGW | Valley | 8 days |
| Apr 10, 9:24 AM MDT | River Flood Warning | TFX | Hill | 5 days |
| Apr 10, 10:21 AM MDT | Areal Flood Advisory | TFX | Gallatin, Meagher | 29 hr |
| Apr 10, 12:14 PM MDT | Areal Flood Advisory | BYZ | Wheatland | 3 days |
| Apr 10, 12:24 PM MDT | Winter Storm Watch | BYZ | Golden Valley, Park, Sweet Grass, Wheatland | 37 hr |
| Apr 10, 1:23 PM MDT | Winter Storm Watch | TFX | Broadwater, Cascade, Chouteau, Fergus, Gallatin, Judith Basin and 2 more | 25 hr |
| Apr 10, 2:25 PM MDT | High Wind Warning | TFX | Beaverhead, Broadwater, Cascade, Chouteau, Fergus, Gallatin and 11 more | 30 hr |
| Apr 10, 6:24 PM MDT | Areal Flood Advisory | TFX | Gallatin | 21 hr |
| Apr 10, 7:08 PM MDT | Areal Flood Advisory | TFX | Hill, Liberty | 20 hr |
| Apr 10, 7:53 PM MDT | High Wind Warning | BYZ | Carbon, Golden Valley, Park, Sweet Grass, Wheatland | 25 hr |
| Apr 10, 7:53 PM MDT | Wind Advisory | BYZ | Park, Stillwater, Sweet Grass | 25 hr |
| Apr 11, 2:08 AM MDT | River Flood Warning | TFX | Blaine | 10 days |
| Apr 11, 11:05 AM MDT | River Flood Warning | GGW | Roosevelt | 19 hr |
| Apr 11, 2:27 PM MDT | Areal Flood Advisory | BYZ | Sweet Grass, Wheatland | 48 hr |
| Apr 11, 2:29 PM MDT | Winter Storm Warning | TFX | Beaverhead, Blaine, Broadwater, Cascade, Chouteau, Fergus and 8 more | 58 hr |
| Apr 11, 2:29 PM MDT | Winter Weather Advisory | TFX | Beaverhead, Blaine, Broadwater, Cascade, Chouteau, Fergus and 9 more | 58 hr |
| Apr 11, 2:32 PM MDT | Winter Weather Advisory | MSO | Deer Lodge, Granite, Missoula, Powell, Ravalli, Silver Bow | 45 hr |
| Apr 11, 2:52 PM MDT | Areal Flood Warning | GGW | Valley | 21 hr |
| Apr 11, 3:15 PM MDT | Areal Flood Advisory | TFX | Blaine, Chouteau, Hill, Liberty | 70 hr |
| Apr 11, 3:30 PM MDT | Areal Flood Advisory | TFX | Gallatin, Meagher | 24 hr |
| Apr 11, 9:15 PM MDT | River Flood Warning | GGW | Valley | 14 days |
| Apr 11, 9:18 PM MDT | River Flood Warning | GGW | Valley | 13 days |
| Apr 12, 1:37 AM MDT | Winter Storm Warning | BYZ | Park, Sweet Grass, Wheatland | 41 hr |
| Apr 12, 1:37 AM MDT | Winter Weather Advisory | BYZ | Carbon, Golden Valley, Musselshell, Park, Stillwater, Sweet Grass and 1 more | 41 hr |
| Apr 12, 6:49 AM MDT | River Flood Warning | TFX | Blaine | 12 hr |
| Apr 12, 11:22 AM MDT | Areal Flood Advisory | BYZ | Park | 27 hr |
| Apr 12, 12:23 PM MDT | River Flood Warning | GGW | Valley | 13 days |
| Apr 12, 12:54 PM MDT | River Flood Warning | GGW | Phillips, Valley | 8 days |
| Apr 12, 2:42 PM MDT | Winter Storm Warning | GGW | Daniels, Phillips, Valley | 36 hr |
| Apr 12, 2:42 PM MDT | Winter Weather Advisory | GGW | Daniels, Phillips, Roosevelt, Sheridan, Valley | 36 hr |
| Apr 12, 3:15 PM MDT | Areal Flood Advisory | TFX | Meagher | 46 hr |
| Apr 12, 8:59 PM MDT | River Flood Warning | GGW | Phillips | 54 hr |
| Apr 13, 9:34 AM MDT | River Flood Watch | GGW | Phillips | 50 hr |
| Apr 13, 3:14 PM MDT | River Flood Warning | GGW | Roosevelt | 36 hr |
| Apr 13, 6:55 PM MDT | Special Weather Statement | TFX | Toole | 50 min |
| Apr 13, 7:52 PM MDT | Special Weather Statement | TFX | Toole | 23 min |
| Apr 14, 1:19 PM MDT | Areal Flood Advisory | TFX | Blaine, Chouteau, Hill | 7 days |
| Apr 14, 8:53 PM MDT | Special Weather Statement | BYZ | Carbon | 37 min |
| Apr 14, 9:01 PM MDT | River Flood Watch | TFX | Blaine, Hill | 29 hr |
| Apr 14, 9:33 PM MDT | Special Weather Statement | BYZ | Carbon | 57 min |
| Apr 15, 1:10 PM MDT | Flash Flood Warning | GGW | Phillips | 5 hr |
| Apr 15, 6:14 PM MDT | River Flood Warning | GGW | Phillips | 16 hr |
| Apr 16, 1:35 AM MDT | High Wind Watch | TFX | Glacier, Lewis and Clark, Pondera, Teton, Toole | 12 hr |
| Apr 16, 2:00 AM MDT | River Flood Warning | TFX | Blaine, Hill | 5 days |
| Apr 16, 2:30 PM MDT | Areal Flood Advisory | GGW | Phillips, Valley | 8 days |
| Apr 16, 7:54 PM MDT | Flood Watch | TFX | Blaine | 5 hr |
| Apr 17, 12:38 AM MDT | River Flood Watch | TFX | Blaine | 8 hr |
| Apr 17, 1:29 PM MDT | Winter Weather Advisory | TFX | Beaverhead, Blaine, Broadwater, Cascade, Chouteau, Fergus and 11 more | 3 days |
| Apr 17, 1:31 PM MDT | High Wind Watch | TFX | Fergus | 13 hr |
| Apr 17, 1:49 PM MDT | Winter Weather Advisory | MSO | Deer Lodge, Granite, Mineral, Missoula, Powell, Ravalli and 2 more | 23 hr |
| Apr 17, 2:13 PM MDT | Winter Storm Watch | GGW | Daniels, McCone, Phillips, Richland, Roosevelt, Sheridan and 1 more | 25 hr |
| Apr 18, 2:09 AM MDT | Winter Storm Watch | TFX | Blaine, Cascade, Chouteau, Fergus, Hill, Judith Basin and 1 more | 12 hr |
| Apr 18, 2:09 AM MDT | Winter Storm Warning | TFX | Blaine, Cascade, Chouteau, Fergus, Hill, Judith Basin and 3 more | 64 hr |
| Apr 18, 5:50 AM MDT | Winter Weather Advisory | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 7 more | 63 hr |
| Apr 18, 11:42 AM MDT | Special Weather Statement | TFX | Jefferson | 33 min |
| Apr 18, 12:08 PM MDT | Special Weather Statement | TFX | Broadwater | 22 min |
| Apr 18, 12:40 PM MDT | Special Weather Statement | TFX | Broadwater | 35 min |
| Apr 18, 12:46 PM MDT | Special Weather Statement | TFX | Broadwater | 29 min |
| Apr 18, 12:57 PM MDT | Special Weather Statement | TFX | Judith Basin | 33 min |
| Apr 18, 1:22 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 23 min |
| Apr 18, 1:24 PM MDT | Special Weather Statement | TFX | Meagher | 36 min |
| Apr 18, 1:36 PM MDT | Special Weather Statement | TFX | Judith Basin | 24 min |
| Apr 18, 2:09 PM MDT | Special Weather Statement | TFX | Meagher | 36 min |
| Apr 18, 2:11 PM MDT | Special Weather Statement | TFX | Fergus | 34 min |
| Apr 18, 2:16 PM MDT | Special Weather Statement | TFX | Cascade | 29 min |
| Apr 18, 2:26 PM MDT | Special Weather Statement | TFX | Cascade | 34 min |
| Apr 18, 2:48 PM MDT | Special Weather Statement | TFX | Cascade | 27 min |
| Apr 18, 2:56 PM MDT | Winter Storm Warning | GGW | Daniels, McCone, Phillips, Richland, Roosevelt, Sheridan and 1 more | 36 hr |
| Apr 18, 2:56 PM MDT | Winter Weather Advisory | GGW | Dawson, Garfield, Petroleum, Phillips, Prairie, Valley and 1 more | 36 hr |
| Apr 18, 2:56 PM MDT | Special Weather Statement | TFX | Fergus | 34 min |
| Apr 18, 3:00 PM MDT | Special Weather Statement | TFX | Cascade | 30 min |
| Apr 18, 3:29 PM MDT | Special Weather Statement | TFX | Cascade | 31 min |
| Apr 18, 3:34 PM MDT | Special Weather Statement | BYZ | Stillwater | 26 min |
| Apr 18, 4:49 PM MDT | Special Weather Statement | BYZ | Yellowstone | 26 min |
| Apr 18, 8:32 PM MDT | Winter Weather Advisory | MSO | Deer Lodge, Granite, Powell, Silver Bow | 9 hr |
| Apr 19, 7:20 AM MDT | Winter Weather Advisory | MSO | Flathead, Lake | 29 hr |
| Apr 19, 12:02 PM MDT | Winter Weather Advisory | TFX | Broadwater, Chouteau, Glacier, Jefferson, Lewis and Clark, Pondera and 2 more | 27 hr |
| Apr 19, 12:16 PM MDT | Blizzard Warning | GGW | Sheridan | 14 hr |
| Apr 19, 1:22 PM MDT | Winter Weather Advisory | TFX | Broadwater, Chouteau, Glacier, Jefferson, Lewis and Clark, Pondera and 2 more | 29 hr |
| Apr 20, 2:31 AM MDT | Winter Weather Advisory | GGW | Daniels, McCone, Richland, Roosevelt, Sheridan, Valley | 12 hr |
| Apr 20, 2:01 PM MDT | Winter Weather Advisory | MSO | Deer Lodge, Granite, Missoula, Powell, Ravalli, Silver Bow | 22 hr |
| Apr 20, 2:27 PM MDT | Winter Weather Advisory | TFX | Beaverhead, Broadwater, Cascade, Chouteau, Gallatin, Glacier and 7 more | 24 hr |
| Apr 23, 2:01 AM MDT | Winter Storm Watch | TFX | Beaverhead, Broadwater, Cascade, Chouteau, Gallatin, Judith Basin and 3 more | 25 hr |
| Apr 23, 1:57 PM MDT | Winter Weather Advisory | TFX | Beaverhead, Broadwater, Cascade, Chouteau, Gallatin, Jefferson and 4 more | 42 hr |
| Apr 23, 2:32 PM MDT | Winter Weather Advisory | MSO | Deer Lodge, Granite, Missoula, Powell, Ravalli, Silver Bow | 39 hr |
| Apr 24, 2:38 AM MDT | Winter Storm Warning | TFX | Beaverhead, Gallatin, Madison | 30 hr |
| Apr 24, 2:16 PM MDT | Special Weather Statement | TFX | Judith Basin | 29 min |
| Apr 24, 3:35 PM MDT | Special Weather Statement | TFX | Cascade | 25 min |
| Apr 24, 4:17 PM MDT | Special Weather Statement | TFX | Cascade | 28 min |
| Apr 24, 4:47 PM MDT | Special Weather Statement | TFX | Cascade | 43 min |
| Apr 24, 5:16 PM MDT | Special Weather Statement | TFX | Cascade | 29 min |
| Apr 26, 2:17 AM MDT | Winter Weather Advisory | TFX | Cascade, Chouteau, Fergus, Judith Basin, Meagher | 39 hr |
| Apr 26, 1:36 PM MDT | Winter Storm Warning | BYZ | Big Horn, Carbon | 32 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 | 57 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 1 |
| River Flood Warning | 14 |
| Flood Watch | 2 |
| River Flood Watch | 3 |
| Areal Flood Advisory | 16 |
| Winter | |
| Blizzard Warning | 1 |
| Snow Squall Warning | 2 |
| Winter Storm Warning | 8 |
| Winter Storm Watch | 6 |
| Winter Weather Advisory | 23 |
| Wind and dust | |
| High Wind Warning | 5 |
| High Wind Watch | 4 |
| Wind Advisory | 2 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cascade County24
- Chouteau County22
- Judith Basin County21
- Meagher County20
- Lewis and Clark County19
- Blaine County18
- Broadwater County18
- Valley County17
- Fergus County17
- Gallatin County17
- Hill County17
- Phillips County15
- Jefferson County15
- Madison County15
- Beaverhead County13
- Pondera County11
- Teton County11
- Glacier County10
- Toole County10
- Park County10
- Sweet Grass County10
- Roosevelt County9
- Carbon County9
- Stillwater County9
- Daniels County8
- Sheridan County8
- Missoula County8
- Wheatland County8
- Silver Bow County7
- Granite County7
- Golden Valley County6
- Deer Lodge County6
- Powell County6
- Big Horn County5
- Ravalli County5
- Liberty County5
- Carter County4
- Musselshell County4
- Petroleum County3
- Yellowstone County3
Nearby
Alerts in force nowTornadoes on recordThe radar archive20222024
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.