Alert archive / Wyoming / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 63, NWS Cheyenne, WY

June 12, 2025Goshen County, Niobrara County, Wyoming

NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 12, 2025, 5:42 PM MDT for Goshen County, Niobrara County, Wyoming. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 12, 2025, 5:42 PM MDT (23:42 UTC)
Expired: Jun 12, 2025, 6:30 PM MDT
In force: 48 min
Issued by: NWS Cheyenne, WY
Area: Storm-based polygon
Damage threat: Considerable
Hail: 2.0 in
Wind: 50.0 mph

Counties Goshen County, WY, Niobrara County, WY

The radar

The Cheyenne radar (KCYS), 161 km from the middle of the area, began a volume at 23:41 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 12, 2:53 PM MDT	Severe Thunderstorm Watch	SPC	7 hr

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Cheyenne, WY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 12, 5:34 PM MDT, 8 minutes earlier.

Area forecast discussion, Jun 12, 5:34 PM MDT, 8 minutes before

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Hazardous weather outlook, Jun 12, 1:59 PM MDT, 3 hours 43 minutes before

Hazardous Weather Outlook
National Weather Service Cheyenne WY
159 PM MDT Thu Jun 12 2025

NEZ002-003-019>021-054-055-095-096-WYZ101>119-132000-
Dawes County-Box Butte County-Scotts Bluff County-Banner County-
Morrill County-Kimball County-Cheyenne County-
Northern Sioux County-Southern Sioux County-
Converse County Lower Elevations-Niobrara County-
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Laramie Range and Southwest Platte County-
East Platte County-Goshen County-Central Carbon County-
North Snowy Range Foothills-Southwest Carbon County-
Sierra Madre Range-Upper North Platte River Basin-Snowy Range-
Laramie Valley-South Laramie Range-South Laramie Range Foothills-
Central Laramie County-East Laramie County-
159 PM MDT Thu Jun 12 2025

This hazardous weather outlook is for portions of panhandle
Nebraska...east central Wyoming...south central Wyoming and
southeast Wyoming.

.DAY ONE...THIS AFTERNOON AND TONIGHT

- Strong to severe storms possible Thursday and Friday. All
  hazards of severe weather are possible, including large hail,
  damaging winds, an isolated tornado, and heavy rain.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

- Above average temperatures are expected to persist through the
  upcoming weekend.

- Active weather expected this weekend through much of next
  week as a messy upper-level pattern takes hold of the region.

.Spotter information statement...

Spotters are encouraged to report severe weather to the NWS.

In the hours before

Local storm report, Jun 12, 5:04 PM MDT, 38 minutes before

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Local storm report, Jun 12, 5:07 PM MDT, 35 minutes before

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Local storm report, Jun 12, 5:09 PM MDT, 33 minutes before

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Special weather statement, Jun 12, 5:15 PM MDT, 27 minutes before

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Local storm report, Jun 12, 5:25 PM MDT, 17 minutes before

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Local storm report, Jun 12, 5:26 PM MDT, 16 minutes before

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The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 11, 6:00 PM MDT	Special Weather Statement	CYS	Albany	30 min
Jun 11, 6:01 PM MDT	Special Weather Statement	CYS	Converse	44 min
Jun 11, 6:45 PM MDT	Special Weather Statement	CYS	Converse	45 min
Jun 12, 2:13 PM MDT	Special Weather Statement	CYS	Albany	32 min
Jun 12, 2:15 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Laramie	45 min
Jun 12, 2:38 PM MDT	Special Weather Statement	CYS	Laramie	22 min
Jun 12, 2:50 PM MDT	Tornado Warning	CYS	Laramie	15 min
Jun 12, 2:55 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Laramie	50 min
Jun 12, 3:03 PM MDT	Severe Thunderstorm Warning Considerable damage threat	CYS	Goshen, Laramie	42 min
Jun 12, 3:06 PM MDT	Severe Thunderstorm Warning Considerable damage threat	CYS	Goshen, Laramie	39 min
Jun 12, 3:31 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Laramie	44 min
Jun 12, 3:35 PM MDT	Severe Thunderstorm Warning Considerable damage threat	CYS	Goshen, Laramie, Platte	40 min
Jun 12, 3:49 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Laramie, Platte	41 min
Jun 12, 4:12 PM MDT	Severe Thunderstorm Warning	CYS	Laramie	48 min
Jun 12, 4:22 PM MDT	Severe Thunderstorm Warning	CYS	Goshen	38 min
Jun 12, 4:47 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Platte	43 min
Jun 12, 5:04 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Platte	41 min
Jun 12, 5:46 PM MDT	Severe Thunderstorm Warning	CYS	Platte	44 min
Jun 12, 5:15 PM MDT	Special Weather Statement	CYS	Banner	30 min

Nearby

Severe Thunderstorm Warnings in Wyoming, 2025 Every severe thunderstorm warning in 2025

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.