Alert archive / Montana / Winter Weather Advisories

Winter Weather Advisories in Montana, 2021

180 winter weather advisories in 2021. 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 weather advisories reaches back to 2005.

Winter Weather Advisories by county

Each county as a circle sized by its count in 2021. Tap one for its archive.

Winter Weather Advisories: 180
Busiest month: December51 winter weather advisories
Busiest day: December 18, 20215 winter weather advisories

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 1, 1:29 PM MST	Winter Weather Advisory	TFX		52 hr
Jan 2, 7:17 AM MST	Winter Weather Advisory	GGW	Daniels, Roosevelt, Sheridan, Valley	7 hr
Jan 2, 1:58 PM MST	Winter Weather Advisory	MSO	Flathead, Granite, Lake, Missoula, Ravalli	23 hr
Jan 4, 2:39 AM MST	Winter Weather Advisory	MSO	Flathead, Granite, Lake, Mineral, Missoula, Ravalli and 1 more	30 hr
Jan 4, 11:37 AM MST	Winter Weather Advisory	TFX		21 hr
Jan 4, 11:45 AM MST	Winter Weather Advisory	MSO	Deer Lodge, Granite, Powell, Silver Bow	21 hr
Jan 4, 1:17 PM MST	Winter Weather Advisory	GGW	Dawson, Prairie, Richland, Roosevelt, Sheridan, Wibaux	23 hr
Jan 7, 8:21 AM MST	Winter Weather Advisory	TFX		16 hr
Jan 7, 5:23 PM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon, Carter, Powder River, Rosebud, Stillwater and 1 more	16 hr
Jan 11, 2:39 PM MST	Winter Weather Advisory	MSO	Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 2 more	23 hr
Jan 12, 12:06 PM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon	39 hr
Jan 12, 2:01 PM MST	Winter Weather Advisory	TFX		30 hr
Jan 15, 12:50 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more	10 hr
Jan 15, 5:53 PM MST	Winter Weather Advisory	TFX		5 hr
Jan 16, 1:14 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	39 hr
Jan 16, 1:47 PM MST	Winter Weather Advisory	TFX		55 hr
Jan 16, 6:51 PM MST	Winter Weather Advisory	GGW	Dawson, McCone, Prairie, Richland, Wibaux	39 hr
Jan 17, 2:47 AM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 3 more	33 hr
Jan 19, 2:47 AM MST	Winter Weather Advisory	TFX		29 hr
Jan 20, 1:34 PM MST	Winter Weather Advisory	TFX		39 hr
Jan 20, 2:06 PM MST	Winter Weather Advisory	BYZ	Golden Valley, Park, Stillwater, Sweet Grass, Wheatland	45 hr
Jan 26, 8:30 PM MST	Winter Weather Advisory	TFX		4 days
Jan 29, 1:12 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Granite, Powell, Silver Bow	10 hr
Jan 29, 2:11 PM MST	Winter Weather Advisory	GGW	Dawson, Prairie	13 hr
Feb 1, 2:53 AM MST	Winter Weather Advisory	TFX		56 hr
Feb 2, 1:20 AM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon, Park, Stillwater, Sweet Grass	43 hr
Feb 2, 9:27 AM MST	Winter Weather Advisory	MSO	Deer Lodge, Granite, Mineral, Missoula, Powell, Sanders and 1 more	20 hr
Feb 2, 1:34 PM MST	Winter Weather Advisory	GGW	Daniels, McCone, Richland, Roosevelt, Sheridan, Valley	23 hr
Feb 3, 4:45 AM MST	Winter Weather Advisory	TFX		4 days
Feb 3, 5:14 PM MST	Winter Weather Advisory	MSO	Granite, Lake, Missoula, Powell	3 hr
Feb 4, 11:07 AM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	26 hr
Feb 4, 1:48 PM MST	Winter Weather Advisory	BYZ	Carter, Custer, Fallon, Powder River, Rosebud, Treasure	62 hr
Feb 5, 2:48 AM MST	Winter Weather Advisory	GGW	Petroleum	48 hr
Feb 5, 2:59 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Missoula and 4 more	68 hr
Feb 6, 3:12 AM MST	Winter Weather Advisory	MSO	Deer Lodge, Granite, Powell, Silver Bow	5 hr
Feb 7, 3:48 AM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon, Park, Stillwater, Sweet Grass, Wheatland and 1 more	24 hr
Feb 7, 8:34 AM MST	Winter Weather Advisory	TFX		18 hr
Feb 7, 10:58 AM MST	Winter Weather Advisory	MSO	Missoula, Ravalli	24 hr
Feb 7, 1:56 PM MST	Winter Weather Advisory	TFX		13 hr
Feb 8, 4:40 PM MST	Winter Weather Advisory	MSO	Missoula, Ravalli	16 hr
Feb 11, 3:31 AM MST	Winter Weather Advisory	MSO	Granite, Missoula, Ravalli	61 hr
Feb 11, 6:03 AM MST	Winter Weather Advisory	MSO	Granite, Lake, Missoula, Powell, Ravalli	5 hr
Feb 12, 2:45 AM MST	Winter Weather Advisory	TFX		17 hr
Feb 14, 2:24 AM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon, Golden Valley, Park, Stillwater, Sweet Grass and 1 more	48 hr
Feb 14, 2:31 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	3 days
Feb 14, 2:36 PM MST	Winter Weather Advisory	TFX		3 days
Feb 15, 12:51 PM MST	Winter Weather Advisory	MSO	Missoula, Ravalli	23 hr
Feb 18, 3:06 AM MST	Winter Weather Advisory	MSO	Flathead, Granite, Lake, Mineral, Missoula, Powell and 2 more	35 hr
Feb 18, 3:24 AM MST	Winter Weather Advisory	TFX		40 hr
Feb 21, 2:30 AM MST	Winter Weather Advisory	TFX		13 hr
Feb 21, 8:20 AM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	71 hr
Feb 21, 8:32 PM MST	Winter Weather Advisory	TFX		38 hr
Feb 22, 1:42 AM MST	Winter Weather Advisory	GGW	Daniels, Phillips, Richland, Roosevelt, Sheridan, Valley	36 hr
Feb 23, 8:08 AM MST	Winter Weather Advisory	MSO	Mineral, Missoula, Sanders	23 hr
Feb 23, 5:41 PM MST	Winter Weather Advisory	MSO	Granite, Missoula, Ravalli	14 hr
Feb 24, 3:30 AM MST	Winter Weather Advisory	TFX		8 hr
Feb 24, 11:07 AM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	72 hr
Feb 24, 11:52 AM MST	Winter Weather Advisory	TFX		3 days
Feb 26, 2:33 PM MST	Winter Weather Advisory	BYZ	Big Horn	28 hr
Mar 7, 1:51 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Granite, Lake, Missoula, Powell, Ravalli and 1 more	45 hr
Mar 7, 2:03 PM MST	Winter Weather Advisory	TFX		45 hr
Mar 8, 2:20 PM MST	Winter Weather Advisory	GGW	Phillips, Valley	19 hr
Mar 15, 12:43 PM MDT	Winter Weather Advisory	BYZ	Big Horn, Carbon, Rosebud	26 hr
Mar 19, 3:03 PM MDT	Winter Weather Advisory	TFX		33 hr
Mar 19, 7:06 PM MDT	Winter Weather Advisory	BYZ	Carbon, Stillwater, Sweet Grass	31 hr
Mar 21, 1:51 PM MDT	Winter Weather Advisory	MSO	Flathead, Lake	22 hr
Mar 22, 2:30 AM MDT	Winter Weather Advisory	BYZ	Carbon, Park, Stillwater, Sweet Grass	43 hr
Mar 22, 3:02 AM MDT	Winter Weather Advisory	TFX		39 hr
Mar 22, 2:27 PM MDT	Winter Weather Advisory	MSO	Flathead, Lake, Sanders	19 hr
Mar 24, 12:03 PM MDT	Winter Weather Advisory	BYZ	Big Horn, Carbon, Park, Stillwater, Sweet Grass	63 hr
Mar 24, 1:52 PM MDT	Winter Weather Advisory	MSO	Flathead, Granite, Lake, Mineral, Missoula, Ravalli and 1 more	19 hr
Mar 28, 3:32 AM MDT	Winter Weather Advisory	TFX		48 hr
Mar 28, 11:03 AM MDT	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more	24 hr
Mar 30, 3:48 AM MDT	Winter Weather Advisory	TFX		5 hr
Apr 4, 1:17 PM MDT	Winter Weather Advisory	MSO	Deer Lodge, Granite, Missoula, Powell, Ravalli, Silver Bow	29 hr
Apr 4, 1:25 PM MDT	Winter Weather Advisory	TFX		29 hr
Apr 4, 1:43 PM MDT	Winter Weather Advisory	BYZ	Big Horn, Carbon, Golden Valley, Stillwater, Sweet Grass, Wheatland	49 hr
Apr 7, 12:10 PM MDT	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 3 more	22 hr
Apr 7, 1:37 PM MDT	Winter Weather Advisory	TFX		20 hr
Apr 8, 2:29 AM MDT	Winter Weather Advisory	BYZ	Big Horn, Carbon, Carter	28 hr
Apr 9, 4:44 PM MDT	Winter Weather Advisory	MSO	Flathead, Lake	19 hr
Apr 11, 8:34 PM MDT	Winter Weather Advisory	GGW	Daniels, Dawson, Garfield, McCone, Phillips, Richland and 4 more	57 hr
Apr 13, 1:47 PM MDT	Winter Weather Advisory	TFX		19 hr
Apr 14, 2:06 AM MDT	Winter Weather Advisory	BYZ	Big Horn, Carbon, Stillwater, Sweet Grass	58 hr
Apr 17, 4:01 AM MDT	Winter Weather Advisory	TFX		56 hr
Apr 17, 3:31 PM MDT	Winter Weather Advisory	BYZ	Big Horn, Carbon, Carter, Golden Valley, Musselshell, Park and 6 more	42 hr
Apr 18, 3:28 AM MDT	Winter Weather Advisory	GGW	Petroleum, Phillips	24 hr
Apr 18, 11:40 AM MDT	Winter Weather Advisory	MSO	Deer Lodge, Granite, Lake, Missoula, Powell, Ravalli and 1 more	23 hr
Apr 21, 12:54 PM MDT	Winter Weather Advisory	MSO	Flathead, Lake	29 hr
Apr 21, 2:35 PM MDT	Winter Weather Advisory	TFX		45 hr
Apr 22, 2:19 AM MDT	Winter Weather Advisory	BYZ	Big Horn, Carbon, Park, Stillwater, Sweet Grass, Wheatland and 1 more	32 hr
Apr 23, 3:23 AM MDT	Winter Weather Advisory	MSO	Deer Lodge, Granite, Powell, Silver Bow	6 hr
Apr 24, 2:54 AM MDT	Winter Weather Advisory	MSO	Flathead, Lake	27 hr
Apr 24, 2:56 AM MDT	Winter Weather Advisory	TFX		27 hr
Apr 25, 1:58 AM MDT	Winter Weather Advisory	TFX		28 hr
May 7, 1:44 PM MDT	Winter Weather Advisory	GGW	Daniels, Phillips, Richland, Roosevelt, Sheridan, Valley	40 hr
May 7, 2:35 PM MDT	Winter Weather Advisory	TFX		45 hr
May 18, 2:36 PM MDT	Winter Weather Advisory	TFX		66 hr
May 18, 2:37 PM MDT	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more	67 hr
May 21, 2:52 AM MDT	Winter Weather Advisory	BYZ	Golden Valley, Park, Wheatland	6 hr
May 21, 8:31 PM MDT	Winter Weather Advisory	MSO	Deer Lodge, Granite, Powell, Silver Bow	3 hr
May 22, 2:13 PM MDT	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Missoula, Powell and 2 more	22 hr
May 22, 8:42 PM MDT	Winter Weather Advisory	TFX		39 hr
May 23, 2:02 PM MDT	Winter Weather Advisory	MSO	Flathead, Lake	17 hr
Jun 9, 2:13 PM MDT	Winter Weather Advisory	MSO	Deer Lodge, Granite, Missoula, Powell, Ravalli, Silver Bow	29 hr
Oct 9, 1:57 PM MDT	Winter Weather Advisory	MSO	Deer Lodge, Granite, Missoula, Powell, Ravalli, Silver Bow	63 hr
Oct 10, 2:09 PM MDT	Winter Weather Advisory	TFX		43 hr
Oct 11, 3:34 AM MDT	Winter Weather Advisory	BYZ	Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 7 more	47 hr
Oct 11, 1:11 PM MDT	Winter Weather Advisory	GGW	Prairie	14 hr
Oct 12, 10:22 AM MDT	Winter Weather Advisory	GGW	Daniels, Roosevelt, Sheridan	32 hr
Oct 26, 10:54 AM MDT	Winter Weather Advisory	MSO	Granite, Missoula, Ravalli	22 hr
Oct 30, 11:51 PM MDT	Winter Weather Advisory	BYZ	Carbon, Stillwater, Sweet Grass	9 hr
Nov 2, 7:42 AM MDT	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Missoula and 4 more	2 hr
Nov 6, 2:01 AM MDT	Winter Weather Advisory	TFX		31 hr
Nov 6, 1:33 PM MDT	Winter Weather Advisory	MSO	Flathead, Granite, Lake, Missoula, Ravalli	19 hr
Nov 8, 2:26 PM MST	Winter Weather Advisory	MSO	Flathead, Granite, Lake, Mineral, Missoula, Ravalli and 1 more	23 hr
Nov 9, 10:26 AM MST	Winter Weather Advisory	TFX		19 hr
Nov 9, 2:23 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Granite, Lake, Missoula, Powell, Ravalli and 1 more	19 hr
Nov 11, 6:58 AM MST	Winter Weather Advisory	MSO	Deer Lodge, Granite, Lake, Mineral, Missoula, Powell and 3 more	5 hr
Nov 11, 2:28 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	20 hr
Nov 13, 12:54 AM MST	Winter Weather Advisory	GGW	Daniels, Richland, Roosevelt, Sheridan, Valley	5 hr
Nov 13, 1:30 PM MST	Winter Weather Advisory	MSO	Flathead, Lake, Lincoln, Sanders	15 hr
Nov 13, 2:12 PM MST	Winter Weather Advisory	TFX		15 hr
Nov 16, 5:22 PM MST	Winter Weather Advisory	MSO	Granite, Lake, Missoula, Powell, Ravalli	27 min
Nov 16, 5:49 PM MST	Winter Weather Advisory	MSO	Granite, Lake, Missoula, Powell, Ravalli	4 hr
Nov 18, 3:06 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	36 hr
Nov 21, 11:57 AM MST	Winter Weather Advisory	TFX		62 hr
Nov 21, 2:34 PM MST	Winter Weather Advisory	MSO	Flathead, Granite, Lake, Lincoln, Mineral, Missoula and 3 more	60 hr
Nov 25, 2:28 PM MST	Winter Weather Advisory	MSO	Flathead, Lake, Lincoln, Sanders	18 hr
Dec 3, 1:58 AM MST	Winter Weather Advisory	TFX		60 hr
Dec 3, 2:56 AM MST	Winter Weather Advisory	GGW	Dawson, Garfield, McCone, Petroleum, Phillips, Richland and 1 more	48 hr
Dec 3, 1:25 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	46 hr
Dec 4, 1:55 PM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon, Stillwater, Sweet Grass	22 hr
Dec 5, 10:14 AM MST	Winter Weather Advisory	GGW	Daniels, Phillips, Roosevelt, Sheridan, Valley	4 hr
Dec 5, 1:46 PM MST	Winter Weather Advisory	GGW	Daniels, Roosevelt, Sheridan	4 hr
Dec 5, 3:03 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	42 hr
Dec 5, 7:24 PM MST	Winter Weather Advisory	TFX		25 hr
Dec 6, 1:18 AM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon, Golden Valley, Musselshell, Park, Rosebud and 5 more	32 hr
Dec 7, 6:21 AM MST	Winter Weather Advisory	MSO	Flathead, Lake, Lincoln, Sanders	4 hr
Dec 7, 2:56 PM MST	Winter Weather Advisory	MSO	Flathead, Lake, Lincoln, Mineral, Missoula, Sanders	20 hr
Dec 9, 3:12 AM MST	Winter Weather Advisory	MSO	Granite, Lake, Mineral, Missoula, Powell, Ravalli and 1 more	30 hr
Dec 10, 3:01 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	65 hr
Dec 11, 1:44 PM MST	Winter Weather Advisory	MSO	Mineral, Missoula, Sanders	42 hr
Dec 11, 1:52 PM MST	Winter Weather Advisory	TFX		4 days
Dec 13, 12:30 AM MST	Winter Weather Advisory	MSO	Deer Lodge, Granite, Powell, Silver Bow	8 hr
Dec 13, 1:51 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	32 hr
Dec 13, 2:37 PM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 9 more	50 hr
Dec 14, 11:19 AM MST	Winter Weather Advisory	GGW	Dawson, McCone, Prairie, Richland, Roosevelt, Sheridan and 1 more	29 hr
Dec 14, 11:38 AM MST	Winter Weather Advisory	MSO	Granite, Lake, Missoula, Powell	9 hr
Dec 14, 4:36 PM MST	Winter Weather Advisory	MSO	Flathead, Lake, Sanders	4 hr
Dec 14, 4:47 PM MST	Winter Weather Advisory	MSO	Missoula, Ravalli	4 hr
Dec 15, 7:53 AM MST	Winter Weather Advisory	TFX		67 min
Dec 15, 1:21 PM MST	Winter Weather Advisory	TFX		44 hr
Dec 15, 2:40 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	44 hr
Dec 16, 1:31 PM MST	Winter Weather Advisory	GGW	Daniels, Roosevelt, Sheridan, Valley	27 hr
Dec 17, 11:59 AM MST	Winter Weather Advisory	BYZ	Park, Stillwater, Sweet Grass	27 hr
Dec 18, 7:44 AM MST	Winter Weather Advisory	MSO	Flathead, Granite, Lake, Missoula, Powell, Ravalli and 1 more	21 hr
Dec 18, 12:59 PM MST	Winter Weather Advisory	TFX		38 hr
Dec 18, 2:38 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more	59 hr
Dec 18, 2:41 PM MST	Winter Weather Advisory	BYZ	Big Horn, Golden Valley, Musselshell, Park, Rosebud, Stillwater and 4 more	44 hr
Dec 18, 2:42 PM MST	Winter Weather Advisory	GGW	Petroleum	38 hr
Dec 20, 2:30 AM MST	Winter Weather Advisory	TFX		36 hr
Dec 20, 7:33 AM MST	Winter Weather Advisory	MSO	Missoula, Ravalli	18 hr
Dec 20, 8:58 AM MST	Winter Weather Advisory	GGW	Richland, Roosevelt	18 hr
Dec 20, 2:44 PM MST	Winter Weather Advisory	BYZ	Golden Valley, Sweet Grass, Wheatland	12 hr
Dec 22, 1:35 AM MST	Winter Weather Advisory	MSO	Flathead, Lake, Lincoln, Mineral, Missoula, Sanders	9 hr
Dec 22, 1:28 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	22 hr
Dec 22, 1:56 PM MST	Winter Weather Advisory	TFX		3 days
Dec 23, 11:53 AM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	47 hr
Dec 24, 2:52 AM MST	Winter Weather Advisory	MSO	Flathead, Lincoln, Sanders	32 hr
Dec 25, 11:00 AM MST	Winter Weather Advisory	MSO	Flathead, Lake	6 hr
Dec 25, 12:43 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Lincoln, Mineral and 5 more	28 hr
Dec 25, 1:02 PM MST	Winter Weather Advisory	GGW	Daniels, Dawson, Garfield, McCone, Petroleum, Phillips and 6 more	33 hr
Dec 25, 2:11 PM MST	Winter Weather Advisory	TFX		27 hr
Dec 26, 4:06 AM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 9 more	17 hr
Dec 28, 1:40 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more	21 hr
Dec 29, 9:58 AM MST	Winter Weather Advisory	TFX		25 hr
Dec 29, 1:25 PM MST	Winter Weather Advisory	MSO	Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more	46 hr
Dec 30, 2:47 AM MST	Winter Weather Advisory	BYZ	Golden Valley, Musselshell, Park, Stillwater, Sweet Grass, Wheatland	32 hr
Dec 30, 12:30 PM MST	Winter Weather Advisory	BYZ	Big Horn, Carbon, Golden Valley, Park, Rosebud, Stillwater and 4 more	27 hr

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record The radar archive 2020 2022

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.