Alert archive / Montana / 2020

Weather alerts in Montana, April 2020

105 weather alerts in April 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 April 2020. Tap one for its archive.

Alerts
105
Warnings
12
Watches
7
Advisories
20
Busiest day
April 30, 202026 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.

IssuedProductOfficeCountiesLasted
Mar 31, 7:48 PM MDTAreal Flood AdvisoryTFXBlaine, Hill38 hr
Apr 1, 8:31 AM MDTSpecial Weather StatementMSOMissoula89 min
Apr 1, 1:07 PM MDTSpecial Weather StatementMSOMissoula53 min
Apr 1, 2:01 PM MDTSpecial Weather StatementMSOMissoula44 min
Apr 1, 2:21 PM MDTSpecial Weather StatementMSOMissoula39 min
Apr 1, 2:43 PM MDTWinter Weather AdvisoryMSOFlathead, Lake, Lincoln, Mineral, Missoula, Ravalli and 1 more18 hr
Apr 1, 3:02 PM MDTSpecial Weather StatementMSOMissoula43 min
Apr 3, 7:08 AM MDTWinter Weather AdvisoryMSOFlathead, Lake, Lincoln, Mineral, Missoula, Sanders5 hr
Apr 3, 9:32 PM MDTWinter Weather AdvisoryMSODeer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 3 more8 hr
Apr 4, 2:14 PM MDTWinter Weather AdvisoryMSOMineral, Missoula, Sanders20 hr
Apr 6, 9:32 AM MDTSpecial Weather StatementTFX103 min
Apr 6, 5:29 PM MDTSpecial Weather StatementBYZCarter46 min
Apr 7, 8:50 PM MDTAreal Flood AdvisoryTFXBlaine, Hill72 hr
Apr 8, 3:44 AM MDTWinter Storm WatchMSODeer Lodge, Flathead, Granite, Lake, Missoula, Powell and 1 more59 hr
Apr 8, 3:49 AM MDTWinter Storm WatchTFX47 hr
Apr 9, 3:21 AM MDTWinter Storm WatchBYZBig Horn, Carbon, Golden Valley, Musselshell, Park, Rosebud and 5 more24 hr
Apr 9, 3:24 AM MDTWinter Storm WatchGGWPetroleum, Phillips23 hr
Apr 9, 1:47 PM MDTWinter Storm WarningTFX63 hr
Apr 9, 1:47 PM MDTWinter Weather AdvisoryTFX63 hr
Apr 10, 2:43 AM MDTWinter Weather AdvisoryGGWGarfield, Petroleum, Phillips, Prairie39 hr
Apr 10, 3:01 AM MDTWinter Storm WarningBYZBig Horn, Carbon, Golden Valley, Park, Rosebud, Stillwater and 2 more56 hr
Apr 10, 3:01 AM MDTWinter Weather AdvisoryBYZBig Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 6 more56 hr
Apr 10, 3:26 AM MDTWinter Storm WarningMSODeer Lodge, Flathead, Granite, Lake, Missoula, Powell and 1 more42 hr
Apr 10, 2:45 PM MDTHigh Wind WarningMSOFlathead, Lake, Sanders20 hr
Apr 10, 2:45 PM MDTWinter Weather AdvisoryMSOGranite, Mineral, Missoula, Ravalli, Sanders31 hr
Apr 10, 10:33 PM MDTSpecial Weather StatementTFXGlacier, Liberty, Pondera, Toole117 min
Apr 11, 10:28 AM MDTSpecial Weather StatementMSOMissoula32 min
Apr 11, 11:42 AM MDTSpecial Weather StatementMSOMissoula33 min
Apr 13, 10:34 AM MDTSpecial Weather StatementTFXJudith Basin56 min
Apr 13, 2:20 PM MDTWinter Weather AdvisoryTFX49 hr
Apr 14, 2:59 AM MDTWinter Weather AdvisoryMSODeer Lodge, Flathead, Granite, Lake, Missoula, Powell and 2 more33 hr
Apr 14, 3:10 AM MDTWinter Storm WarningBYZCarbon, Park, Stillwater, Sweet Grass, Wheatland45 hr
Apr 14, 3:10 AM MDTWinter Weather AdvisoryBYZBig Horn, Carbon, Golden Valley, Park, Stillwater, Sweet Grass and 1 more45 hr
Apr 15, 2:36 AM MDTSpecial Weather StatementTFXPondera39 min
Apr 15, 4:24 AM MDTSpecial Weather StatementMSOMissoula66 min
Apr 15, 6:26 AM MDTSpecial Weather StatementMSORavalli49 min
Apr 15, 6:27 AM MDTSpecial Weather StatementMSOMissoula78 min
Apr 15, 7:16 AM MDTSpecial Weather StatementMSORavalli74 min
Apr 15, 8:47 AM MDTSpecial Weather StatementMSORavalli73 min
Apr 16, 4:43 AM MDTSpecial Weather StatementBYZBig Horn, Carbon, Yellowstone2 hr
Apr 16, 6:47 AM MDTSpecial Weather StatementBYZBig Horn, Carbon73 min
Apr 16, 9:21 AM MDTSpecial Weather StatementBYZStillwater84 min
Apr 17, 3:19 AM MDTLake Wind AdvisoryGGWGarfield, McCone, Petroleum, Phillips, Valley17 hr
Apr 17, 3:41 AM MDTWinter Weather AdvisoryTFX32 hr
Apr 17, 3:49 AM MDTWinter Weather AdvisoryMSOFlathead, Lake28 hr
Apr 18, 1:52 PM MDTLake Wind AdvisoryGGWGarfield, McCone, Petroleum, Phillips, Valley30 hr
Apr 19, 3:11 AM MDTRed Flag WarningGGWDaniels, Roosevelt, Sheridan, Valley18 hr
Apr 20, 3:20 AM MDTLake Wind AdvisoryGGWGarfield, McCone, Petroleum, Phillips, Valley16 hr
Apr 20, 1:57 PM MDTFlood WatchTFX42 hr
Apr 21, 10:28 AM MDTRed Flag WarningGGWDaniels, Dawson, McCone, Prairie, Richland, Roosevelt and 3 more11 hr
Apr 23, 7:42 AM MDTSpecial Weather StatementTFXJefferson33 min
Apr 23, 1:47 PM MDTSpecial Weather StatementBYZCarbon28 min
Apr 23, 3:17 PM MDTSpecial Weather StatementTFXMeagher58 min
Apr 23, 3:24 PM MDTSpecial Weather StatementBYZFallon66 min
Apr 23, 3:59 PM MDTSpecial Weather StatementBYZBig Horn61 min
Apr 23, 4:33 PM MDTSpecial Weather StatementTFXJudith Basin27 min
Apr 23, 4:42 PM MDTSpecial Weather StatementTFXPondera33 min
Apr 23, 8:27 PM MDTSpecial Weather StatementTFXLiberty33 min
Apr 23, 8:31 PM MDTSpecial Weather StatementTFXCascade29 min
Apr 23, 8:59 PM MDTSpecial Weather StatementTFXJudith Basin31 min
Apr 23, 9:03 PM MDTSpecial Weather StatementTFXLiberty27 min
Apr 24, 11:59 AM MDTSpecial Weather StatementGGWMcCone46 min
Apr 24, 12:48 PM MDTSpecial Weather StatementGGWRoosevelt42 min
Apr 24, 1:38 PM MDTSpecial Weather StatementBYZFallon52 min
Apr 24, 2:41 PM MDTSpecial Weather StatementBYZCarter64 min
Apr 25, 3:05 PM MDTFire Weather WatchGGWDaniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more11 hr
Apr 26, 2:28 AM MDTLake Wind AdvisoryGGWGarfield, McCone, Petroleum, Phillips, Valley18 hr
Apr 26, 2:33 AM MDTRed Flag WarningGGWDaniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more17 hr
Apr 26, 1:17 PM MDTRed Flag WarningTFXBlaine, Hill, Phillips7 hr
Apr 27, 3:04 AM MDTFire Weather WatchGGWDaniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more24 hr
Apr 27, 2:41 PM MDTLake Wind AdvisoryGGWGarfield, McCone, Petroleum, Phillips, Valley30 hr
Apr 27, 7:47 PM MDTSpecial Weather StatementGGWPhillips58 min
Apr 27, 8:28 PM MDTSpecial Weather StatementGGWValley62 min
Apr 27, 8:47 PM MDTSpecial Weather StatementGGWValley58 min
Apr 27, 9:06 PM MDTSpecial Weather StatementGGWDaniels54 min
Apr 27, 10:00 PM MDTSpecial Weather StatementGGWDaniels, Roosevelt, Sheridan60 min
Apr 28, 2:44 AM MDTRed Flag WarningTFXBlaine, Chouteau, Fergus, Hill, Phillips18 hr
Apr 28, 3:13 AM MDTRed Flag WarningGGWDaniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more18 hr
Apr 28, 12:42 PM MDTHigh Wind WarningGGWWibaux5 hr
Apr 29, 9:10 PM MDTSpecial Weather StatementMSO50 min
Apr 30, 12:44 PM MDTSpecial Weather StatementMSOPowell31 min
Apr 30, 1:11 PM MDTSpecial Weather StatementMSOPowell19 min
Apr 30, 1:29 PM MDTSpecial Weather StatementTFXJefferson46 min
Apr 30, 1:33 PM MDTSpecial Weather StatementTFX42 min
Apr 30, 2:00 PM MDTSpecial Weather StatementTFXBroadwater45 min
Apr 30, 2:07 PM MDTSpecial Weather StatementTFX38 min
Apr 30, 2:18 PM MDTSpecial Weather StatementTFXBroadwater42 min
Apr 30, 2:42 PM MDTSpecial Weather StatementTFXCascade48 min
Apr 30, 3:03 PM MDTSpecial Weather StatementTFXBroadwater42 min
Apr 30, 3:07 PM MDTSpecial Weather StatementTFXBroadwater38 min
Apr 30, 3:10 PM MDTSpecial Weather StatementMSOSilver Bow35 min
Apr 30, 3:18 PM MDTSpecial Weather StatementTFXJefferson42 min
Apr 30, 3:25 PM MDTSpecial Weather StatementTFXBroadwater50 min
Apr 30, 3:47 PM MDTSpecial Weather StatementTFXMeagher43 min
Apr 30, 4:02 PM MDTSpecial Weather StatementTFXJefferson43 min
Apr 30, 4:25 PM MDTSpecial Weather StatementTFXCascade50 min
Apr 30, 4:42 PM MDTSpecial Weather StatementTFXBroadwater33 min
Apr 30, 4:50 PM MDTSpecial Weather StatementTFXBroadwater25 min
Apr 30, 4:55 PM MDTSpecial Weather StatementTFXCascade35 min
Apr 30, 5:11 PM MDTSpecial Weather StatementTFXJudith Basin49 min
Apr 30, 5:17 PM MDTSpecial Weather StatementTFXBeaverhead28 min
Apr 30, 5:20 PM MDTSpecial Weather StatementTFXDeer Lodge25 min
Apr 30, 5:23 PM MDTSpecial Weather StatementTFXMadison52 min
Apr 30, 5:27 PM MDTSpecial Weather StatementTFXMeagher48 min
Apr 30, 5:31 PM MDTSpecial Weather StatementTFXMeagher44 min

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

By county

Every county with at least one alert. A county page lists each alert that covered it.

13 more counties

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.