Alert archive / Wyoming / Severe Thunderstorm Warnings / 2026

Severe Thunderstorm Warnings in Wyoming, June 2026

198 severe thunderstorm warnings in June 2026. 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 severe thunderstorm warnings reaches back to 1986.

Severe Thunderstorm Warnings by county

Each county as a circle sized by its count in June 2026. Tap one for its archive.

Severe Thunderstorm Warnings: 198
Busiest day: June 25, 202632 severe thunderstorm warnings

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
Jun 1, 12:47 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Platte	43 min
Jun 1, 1:26 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Platte	49 min
Jun 1, 2:13 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Platte	47 min
Jun 1, 2:31 PM MDT	Severe Thunderstorm Warning	CYS	Goshen	59 min
Jun 1, 2:54 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Laramie, Platte	51 min
Jun 1, 3:25 PM MDT	Severe Thunderstorm Warning	CYS	Goshen	50 min
Jun 1, 3:39 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Platte	51 min
Jun 1, 3:45 PM MDT	Severe Thunderstorm Warning	CYS	Laramie	45 min
Jun 1, 4:31 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Laramie, Platte	59 min
Jun 2, 2:24 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Platte	51 min
Jun 2, 2:56 PM MDT	Severe Thunderstorm Warning	CYS	Converse, Niobrara	49 min
Jun 2, 2:57 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Converse, Platte	48 min
Jun 2, 3:00 PM MDT	Severe Thunderstorm Warning	CYS	Converse	45 min
Jun 2, 3:21 PM MDT	Severe Thunderstorm Warning	CYS	Niobrara	54 min
Jun 2, 3:25 PM MDT	Severe Thunderstorm Warning	CYS	Converse, Niobrara, Platte	50 min
Jun 2, 3:57 PM MDT	Severe Thunderstorm Warning	CYS	Converse, Niobrara	48 min
Jun 2, 4:08 PM MDT	Severe Thunderstorm Warning	CYS	Converse, Niobrara	30 min
Jun 2, 4:13 PM MDT	Severe Thunderstorm Warning	CYS	Niobrara	36 min
Jun 2, 4:44 PM MDT	Severe Thunderstorm Warning	CYS	Converse, Niobrara	18 min
Jun 2, 5:30 PM MDT	Severe Thunderstorm Warning	UNR	Crook, Weston	45 min
Jun 2, 5:58 PM MDT	Severe Thunderstorm Warning	UNR	Crook	32 min
Jun 2, 6:25 PM MDT	Severe Thunderstorm Warning Considerable damage threat	UNR	Crook	50 min
Jun 2, 6:33 PM MDT	Severe Thunderstorm Warning Considerable damage threat	UNR	Crook	42 min
Jun 2, 7:13 PM MDT	Severe Thunderstorm Warning	UNR	Crook	40 min
Jun 3, 5:41 PM MDT	Severe Thunderstorm Warning	CYS	Laramie	49 min
Jun 4, 2:39 PM MDT	Severe Thunderstorm Warning	UNR	Campbell, Crook	19 min
Jun 4, 3:23 PM MDT	Severe Thunderstorm Warning	UNR	Crook	53 min
Jun 4, 3:35 PM MDT	Severe Thunderstorm Warning	UNR	Crook	15 min
Jun 4, 4:14 PM MDT	Severe Thunderstorm Warning	UNR	Campbell, Weston	13 min
Jun 4, 5:14 PM MDT	Severe Thunderstorm Warning	UNR	Weston	46 min
Jun 4, 7:22 PM MDT	Severe Thunderstorm Warning	CYS	Niobrara	18 min
Jun 6, 9:07 PM MDT	Severe Thunderstorm Warning	CYS	Laramie	38 min
Jun 7, 1:43 PM MDT	Severe Thunderstorm Warning	RIW	Big Horn, Washakie	31 min
Jun 7, 3:17 PM MDT	Severe Thunderstorm Warning	BYZ	Sheridan	58 min
Jun 7, 3:59 PM MDT	Severe Thunderstorm Warning	UNR	Campbell, Crook	16 min
Jun 7, 4:14 PM MDT	Severe Thunderstorm Warning	UNR	Crook	31 min
Jun 7, 5:36 PM MDT	Severe Thunderstorm Warning	RIW	Johnson	24 min
Jun 7, 7:01 PM MDT	Severe Thunderstorm Warning Considerable damage threat	UNR	Campbell	59 min
Jun 7, 7:04 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BYZ	Sheridan	41 min
Jun 7, 8:06 PM MDT	Severe Thunderstorm Warning	BYZ	Sheridan	24 min
Jun 7, 8:09 PM MDT	Severe Thunderstorm Warning	UNR	Campbell	24 min
Jun 8, 1:16 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Laramie, Platte	44 min
Jun 8, 1:55 PM MDT	Severe Thunderstorm Warning	CYS	Platte	50 min
Jun 8, 2:41 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Platte	49 min
Jun 8, 3:08 PM MDT	Severe Thunderstorm Warning	CYS	Platte	37 min
Jun 8, 4:15 PM MDT	Severe Thunderstorm Warning	CYS	Platte	45 min
Jun 8, 4:52 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Platte	23 min
Jun 8, 5:31 PM MDT	Severe Thunderstorm Warning	CYS	Goshen	44 min
Jun 8, 5:51 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Laramie, Platte	39 min
Jun 8, 6:22 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Laramie, Platte	53 min
Jun 8, 6:23 PM MDT	Severe Thunderstorm Warning	CYS	Goshen	12 min
Jun 8, 7:00 PM MDT	Severe Thunderstorm Warning	CYS	Goshen	45 min
Jun 8, 7:03 PM MDT	Severe Thunderstorm Warning Considerable damage threat	CYS	Goshen, Laramie	42 min
Jun 8, 7:42 PM MDT	Severe Thunderstorm Warning Considerable damage threat	CYS	Goshen	24 min
Jun 8, 7:53 PM MDT	Severe Thunderstorm Warning	CYS	Goshen	13 min
Jun 20, 1:18 PM MDT	Severe Thunderstorm Warning	RIW	Fremont	42 min
Jun 20, 2:15 PM MDT	Severe Thunderstorm Warning Considerable damage threat	RIW	Fremont, Hot Springs, Natrona	45 min
Jun 20, 2:40 PM MDT	Severe Thunderstorm Warning	CYS	Carbon	50 min
Jun 20, 2:48 PM MDT	Severe Thunderstorm Warning	RIW	Hot Springs, Washakie	42 min
Jun 20, 2:59 PM MDT	Severe Thunderstorm Warning	RIW	Fremont, Natrona	61 min
Jun 20, 3:12 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Laramie, Platte	48 min
Jun 20, 3:25 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Carbon, Converse	65 min
Jun 20, 3:29 PM MDT	Severe Thunderstorm Warning	RIW	Big Horn, Washakie	46 min
Jun 20, 3:40 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Laramie	20 min
Jun 20, 3:46 PM MDT	Severe Thunderstorm Warning Considerable damage threat	RIW	Johnson, Natrona	44 min
Jun 20, 3:49 PM MDT	Severe Thunderstorm Warning Considerable damage threat	CYS	Converse	56 min
Jun 20, 3:56 PM MDT	Severe Thunderstorm Warning Considerable damage threat	RIW	Natrona	34 min
Jun 20, 4:14 PM MDT	Severe Thunderstorm Warning	RIW	Big Horn, Johnson, Washakie	46 min
Jun 20, 4:14 PM MDT	Severe Thunderstorm Warning Considerable damage threat	UNR	Campbell, Weston	61 min
Jun 20, 4:29 PM MDT	Severe Thunderstorm Warning	CYS	Converse, Platte	46 min
Jun 20, 4:29 PM MDT	Severe Thunderstorm Warning Considerable damage threat	RIW	Johnson	46 min
Jun 20, 4:41 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Converse, Platte	49 min
Jun 20, 5:08 PM MDT	Severe Thunderstorm Warning	CYS	Converse, Goshen, Niobrara, Platte	67 min
Jun 20, 5:11 PM MDT	Severe Thunderstorm Warning	UNR	Campbell, Crook, Weston	64 min
Jun 20, 5:14 PM MDT	Severe Thunderstorm Warning Considerable damage threat	RIW	Johnson	61 min
Jun 20, 5:25 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Goshen, Platte	50 min
Jun 20, 5:27 PM MDT	Severe Thunderstorm Warning	CYS	Carbon	63 min
Jun 20, 5:35 PM MDT	Severe Thunderstorm Warning	RIW	Lincoln, Sublette	25 min
Jun 20, 6:01 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Platte	44 min
Jun 20, 6:10 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Niobrara, Platte	50 min
Jun 20, 6:12 PM MDT	Severe Thunderstorm Warning	UNR	Campbell, Crook, Weston	24 min
Jun 20, 6:12 PM MDT	Severe Thunderstorm Warning	UNR	Weston	63 min
Jun 20, 6:20 PM MDT	Severe Thunderstorm Warning	RIW	Lincoln	40 min
Jun 20, 6:26 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Carbon	39 min
Jun 20, 6:37 PM MDT	Severe Thunderstorm Warning	RIW	Lincoln, Sublette, Sweetwater	38 min
Jun 20, 6:40 PM MDT	Severe Thunderstorm Warning	CYS	Laramie	35 min
Jun 20, 6:42 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Laramie	48 min
Jun 20, 6:48 PM MDT	Severe Thunderstorm Warning	UNR	Weston	42 min
Jun 20, 6:52 PM MDT	Severe Thunderstorm Warning	CYS	Laramie	38 min
Jun 20, 6:54 PM MDT	Severe Thunderstorm Warning	CYS	Goshen	38 min
Jun 20, 7:04 PM MDT	Severe Thunderstorm Warning	RIW	Fremont, Sublette, Sweetwater	41 min
Jun 20, 7:13 PM MDT	Severe Thunderstorm Warning	CYS	Laramie	29 min
Jun 20, 7:27 PM MDT	Severe Thunderstorm Warning	CYS	Laramie	17 min
Jun 20, 7:43 PM MDT	Severe Thunderstorm Warning	RIW	Fremont, Sweetwater	47 min
Jun 20, 7:49 PM MDT	Severe Thunderstorm Warning	CYS	Laramie	41 min
Jun 22, 1:34 PM MDT	Severe Thunderstorm Warning	RIW	Johnson	26 min
Jun 22, 1:38 PM MDT	Severe Thunderstorm Warning	RIW	Johnson	37 min
Jun 22, 1:43 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Laramie	47 min
Jun 22, 1:59 PM MDT	Severe Thunderstorm Warning	RIW	Johnson	22 min
Jun 22, 2:07 PM MDT	Severe Thunderstorm Warning	CYS	Converse, Niobrara	38 min
Jun 22, 2:09 PM MDT	Severe Thunderstorm Warning	CYS	Niobrara	51 min
Jun 22, 2:22 PM MDT	Severe Thunderstorm Warning	UNR	Campbell	53 min
Jun 22, 2:30 PM MDT	Severe Thunderstorm Warning	CYS	Laramie	45 min
Jun 22, 2:44 PM MDT	Severe Thunderstorm Warning	CYS	Niobrara	46 min
Jun 22, 2:49 PM MDT	Severe Thunderstorm Warning	CYS	Niobrara	27 min
Jun 22, 3:06 PM MDT	Severe Thunderstorm Warning	BYZ	Sheridan	39 min
Jun 22, 3:21 PM MDT	Severe Thunderstorm Warning Considerable damage threat	UNR	Campbell	54 min
Jun 22, 3:37 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Niobrara	38 min
Jun 22, 3:50 PM MDT	Severe Thunderstorm Warning	CYS	Converse	40 min
Jun 22, 4:02 PM MDT	Severe Thunderstorm Warning	UNR	Campbell	13 min
Jun 22, 4:08 PM MDT	Severe Thunderstorm Warning Considerable damage threat	CYS	Goshen	52 min
Jun 22, 4:23 PM MDT	Severe Thunderstorm Warning	CYS	Converse, Niobrara	67 min
Jun 22, 4:47 PM MDT	Severe Thunderstorm Warning Destructive damage threat	BYZ	Sheridan	58 min
Jun 22, 4:50 PM MDT	Severe Thunderstorm Warning Considerable damage threat	CYS	Goshen	55 min
Jun 22, 5:23 PM MDT	Severe Thunderstorm Warning	CYS	Niobrara	67 min
Jun 22, 5:40 PM MDT	Severe Thunderstorm Warning	BYZ	Sheridan	41 min
Jun 22, 6:05 PM MDT	Severe Thunderstorm Warning	UNR	Campbell	55 min
Jun 22, 6:21 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Niobrara	54 min
Jun 22, 6:56 PM MDT	Severe Thunderstorm Warning	UNR	Campbell, Crook, Weston	64 min
Jun 22, 7:01 PM MDT	Severe Thunderstorm Warning Considerable damage threat	CYS	Carbon	59 min
Jun 22, 7:52 PM MDT	Severe Thunderstorm Warning	UNR	Weston	53 min
Jun 22, 8:34 PM MDT	Severe Thunderstorm Warning	UNR	Weston	56 min
Jun 22, 9:54 PM MDT	Severe Thunderstorm Warning	CYS	Niobrara	23 min
Jun 22, 10:36 PM MDT	Severe Thunderstorm Warning	CYS	Converse, Niobrara	24 min
Jun 22, 10:56 PM MDT	Severe Thunderstorm Warning	CYS	Niobrara	34 min
Jun 23, 4:53 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Laramie, Platte	37 min
Jun 23, 5:02 PM MDT	Severe Thunderstorm Warning	CYS	Laramie	43 min
Jun 23, 6:10 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Carbon	35 min
Jun 24, 4:15 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Converse, Platte	45 min
Jun 24, 5:04 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Platte	41 min
Jun 24, 5:29 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Carbon	46 min
Jun 24, 5:34 PM MDT	Severe Thunderstorm Warning	CYS	Goshen	20 min
Jun 24, 5:38 PM MDT	Severe Thunderstorm Warning	CYS	Carbon	52 min
Jun 24, 5:43 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Carbon	47 min
Jun 24, 5:45 PM MDT	Severe Thunderstorm Warning	CYS	Albany	45 min
Jun 24, 5:58 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Carbon	47 min
Jun 24, 6:06 PM MDT	Severe Thunderstorm Warning	CYS	Goshen	16 min
Jun 24, 6:13 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Carbon	47 min
Jun 24, 6:23 PM MDT	Severe Thunderstorm Warning Considerable damage threat	CYS	Albany, Platte	52 min
Jun 24, 6:43 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Carbon	47 min
Jun 24, 6:51 PM MDT	Severe Thunderstorm Warning Considerable damage threat	CYS	Goshen, Platte	54 min
Jun 24, 7:14 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Platte	46 min
Jun 24, 8:10 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Converse	50 min
Jun 24, 8:23 PM MDT	Severe Thunderstorm Warning	CYS	Laramie	52 min
Jun 24, 9:00 PM MDT	Severe Thunderstorm Warning	RIW	Natrona	23 min
Jun 24, 9:33 PM MDT	Severe Thunderstorm Warning	RIW	Fremont	27 min
Jun 24, 9:57 PM MDT	Severe Thunderstorm Warning	RIW	Fremont	33 min
Jun 24, 10:08 PM MDT	Severe Thunderstorm Warning	RIW	Fremont	37 min
Jun 25, 11:32 AM MDT	Severe Thunderstorm Warning	RIW	Sublette	28 min
Jun 25, 12:00 PM MDT	Severe Thunderstorm Warning	RIW	Sublette	45 min
Jun 25, 12:45 PM MDT	Severe Thunderstorm Warning	RIW	Fremont, Sublette, Sweetwater	45 min
Jun 25, 1:12 PM MDT	Severe Thunderstorm Warning	RIW	Fremont	48 min
Jun 25, 1:22 PM MDT	Severe Thunderstorm Warning	RIW	Natrona	23 min
Jun 25, 1:36 PM MDT	Severe Thunderstorm Warning	RIW	Fremont, Sweetwater	39 min
Jun 25, 1:38 PM MDT	Severe Thunderstorm Warning	RIW	Fremont, Hot Springs, Natrona, Washakie	52 min
Jun 25, 1:40 PM MDT	Severe Thunderstorm Warning	RIW	Natrona	35 min
Jun 25, 1:59 PM MDT	Severe Thunderstorm Warning	RIW	Natrona	46 min
Jun 25, 2:10 PM MDT	Severe Thunderstorm Warning Considerable damage threat	RIW	Natrona	50 min
Jun 25, 2:11 PM MDT	Severe Thunderstorm Warning	RIW	Fremont, Sweetwater	49 min
Jun 25, 2:14 PM MDT	Severe Thunderstorm Warning	CYS	Carbon	46 min
Jun 25, 2:48 PM MDT	Severe Thunderstorm Warning	RIW	Sweetwater	42 min
Jun 25, 2:52 PM MDT	Severe Thunderstorm Warning Considerable damage threat	RIW	Natrona	68 min
Jun 25, 2:56 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Carbon	49 min
Jun 25, 3:23 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Carbon, Converse, Platte	52 min
Jun 25, 3:52 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Carbon, Converse	23 min
Jun 25, 4:15 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Carbon, Converse, Goshen, Laramie, Niobrara and 1 more	60 min
Jun 25, 5:06 PM MDT	Severe Thunderstorm Warning Considerable damage threat	CYS	Albany, Goshen, Laramie, Platte	54 min
Jun 25, 5:54 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Laramie	51 min
Jun 25, 7:56 PM MDT	Severe Thunderstorm Warning	RIW	Hot Springs	34 min
Jun 26, 3:17 PM MDT	Severe Thunderstorm Warning	CYS	Goshen	43 min
Jun 26, 4:39 PM MDT	Severe Thunderstorm Warning	CYS	Niobrara	36 min
Jun 26, 4:52 PM MDT	Severe Thunderstorm Warning	UNR	Campbell, Crook, Weston	35 min
Jun 26, 4:56 PM MDT	Severe Thunderstorm Warning	CYS	Converse, Niobrara	34 min
Jun 26, 5:11 PM MDT	Severe Thunderstorm Warning	BYZ	Sheridan	53 min
Jun 26, 5:40 PM MDT	Severe Thunderstorm Warning	UNR	Campbell, Crook, Weston	65 min
Jun 26, 6:03 PM MDT	Severe Thunderstorm Warning	BYZ	Sheridan	44 min
Jun 26, 6:16 PM MDT	Severe Thunderstorm Warning	BYZ	Sheridan	30 min
Jun 26, 6:23 PM MDT	Severe Thunderstorm Warning	CYS	Converse, Niobrara	52 min
Jun 26, 6:43 PM MDT	Severe Thunderstorm Warning	UNR	Weston	62 min
Jun 26, 6:49 PM MDT	Severe Thunderstorm Warning	CYS	Laramie	26 min
Jun 26, 7:18 PM MDT	Severe Thunderstorm Warning	UNR	Crook, Weston	27 min
Jun 26, 7:50 PM MDT	Severe Thunderstorm Warning	CYS	Goshen	25 min
Jun 27, 1:09 PM MDT	Severe Thunderstorm Warning	RIW	Johnson	36 min
Jun 27, 1:14 PM MDT	Severe Thunderstorm Warning	BYZ	Sheridan	32 min
Jun 27, 1:28 PM MDT	Severe Thunderstorm Warning	BYZ	Sheridan	62 min
Jun 27, 1:45 PM MDT	Severe Thunderstorm Warning	BYZ	Sheridan	45 min
Jun 27, 2:24 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BYZ	Sheridan	56 min
Jun 27, 2:30 PM MDT	Severe Thunderstorm Warning	RIW	Fremont	30 min
Jun 27, 2:30 PM MDT	Severe Thunderstorm Warning	UNR	Campbell	45 min
Jun 27, 3:12 PM MDT	Severe Thunderstorm Warning	UNR	Campbell	48 min
Jun 27, 3:13 PM MDT	Severe Thunderstorm Warning	RIW	Fremont, Natrona	47 min
Jun 27, 3:33 PM MDT	Severe Thunderstorm Warning	RIW	Fremont	27 min
Jun 27, 3:54 PM MDT	Severe Thunderstorm Warning	RIW	Fremont	36 min
Jun 27, 4:15 PM MDT	Severe Thunderstorm Warning	RIW	Fremont	30 min
Jun 27, 4:36 PM MDT	Severe Thunderstorm Warning	RIW	Fremont	24 min
Jun 27, 5:48 PM MDT	Severe Thunderstorm Warning Considerable damage threat	RIW	Johnson	31 min
Jun 27, 5:55 PM MDT	Severe Thunderstorm Warning Considerable damage threat	RIW	Big Horn, Johnson, Washakie	35 min
Jun 29, 12:02 AM MDT	Severe Thunderstorm Warning	CYS	Goshen, Niobrara	43 min

By county

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

Nearby

Alerts in force now Tornadoes on record The radar archive 2025

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.