Alert archive / Wyoming / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 280, NWS Cheyenne, WY

August 2, 2025Albany County, Carbon County, Wyoming

NWS Cheyenne, WY issued this severe thunderstorm warning at Aug 2, 2025, 5:50 PM MDT for Albany County, Carbon County, Wyoming. It was in force for 25 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: Aug 2, 2025, 5:50 PM MDT (23:50 UTC)
Expired: Aug 2, 2025, 6:15 PM MDT
In force: 25 min
Issued by: NWS Cheyenne, WY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Albany County, WY, Carbon County, WY

The radar

The Cheyenne radar (KCYS), 140 km from the middle of the area, began a volume at 23:51 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.

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 Aug 2, 4:59 PM MDT, 51 minutes earlier.

Area forecast discussion, Aug 2, 4:59 PM MDT, 51 minutes before

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Hazardous weather outlook, Aug 2, 2:55 PM MDT, 2 hours 55 minutes before

Hazardous Weather Outlook
National Weather Service Cheyenne WY
255 PM MDT Sat Aug 2 2025

NEZ002-003-019>021-054-055-095-096-WYZ101>119-032100-
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-
255 PM MDT Sat Aug 2 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

- There is a Slight Risk (Level 2 of 5) for severe weather
  Saturday afternoon and evening east of the Laramie Range. All
  modes of severe weather are possible: large hail, damaging
  winds, an isolated tornado or two (southern Panhandle), and
  flash flooding.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

- There is a Marginal to Slight Risk of severe weather for
  Sunday, mainly across western Nebraska. Primary hazards look
  to be large hail, damaging winds, and flash flooding.

- Drier and warmer conditions return mid-week and continue through
  the weekend with critical fire weather conditions possible.

.Spotter information statement...

Spotter reports for severe weather and flooding are encouraged.

In the hours before

Special weather statement, Aug 2, 4:08 PM MDT, 1 hour 42 minutes before

Special Weather Statement
National Weather Service Cheyenne WY
408 PM MDT Sat Aug 2 2025

NEZ095-096-WYZ108-022245-
North Sioux NE-South Sioux NE-Goshen County WY-
408 PM MDT Sat Aug 2 2025

...A STRONG THUNDERSTORM WILL IMPACT SOUTHWESTERN SIOUX AND EAST
CENTRAL GOSHEN COUNTIES THROUGH 445 PM MDT...

At 408 PM MDT, Doppler radar was tracking a strong thunderstorm 13
miles southeast of Prairie Center, or 19 miles north of Torrington,
moving southeast at 15 mph.

HAZARD...Wind gusts of 50 to 55 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

This storm will remain over mainly rural areas of southwestern Sioux
and east central Goshen Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4231 10423 4245 10407 4227 10370 4206 10393
TIME...MOT...LOC 2208Z 310DEG 14KT 4233 10408

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...55 MPH

MM

Local storm report, Aug 2, 4:47 PM MDT, 1 hour 3 minutes before

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Special weather statement, Aug 2, 4:54 PM MDT, 56 minutes before

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Special weather statement, Aug 2, 4:59 PM MDT, 51 minutes before

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Special weather statement, Aug 2, 5:13 PM MDT, 37 minutes before

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Local storm report, Aug 2, 5:49 PM MDT, 1 minute 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
Aug 1, 6:15 PM MDT	Severe Thunderstorm Warning Destructive damage threat	CYS	Laramie	45 min
Aug 1, 6:36 PM MDT	Areal Flood Advisory	CYS	Laramie	3 hr
Aug 1, 7:00 PM MDT	Severe Thunderstorm Warning	CYS	Laramie	30 min
Aug 2, 2:48 PM MDT	Special Weather Statement	CYS	Laramie	27 min
Aug 2, 3:23 PM MDT	Special Weather Statement	CYS	Platte	37 min
Aug 2, 4:03 PM MDT	Special Weather Statement	CYS	Carbon	42 min
Aug 2, 4:04 PM MDT	Special Weather Statement	CYS	Carbon	41 min
Aug 2, 4:33 PM MDT	Severe Thunderstorm Warning	CYS	Carbon	42 min
Aug 2, 4:44 PM MDT	Severe Thunderstorm Warning	CYS	Goshen	22 min
Aug 2, 4:54 PM MDT	Special Weather Statement	CYS	Albany	36 min
Aug 2, 4:59 PM MDT	Special Weather Statement	CYS	Carbon	31 min
Aug 2, 5:19 PM MDT	Severe Thunderstorm Warning Considerable damage threat	CYS	Albany, Carbon	41 min
Aug 1, 6:55 PM MDT	Special Weather Statement	CYS	Cheyenne, Kimball	35 min
Aug 1, 7:23 PM MDT	Severe Thunderstorm Warning	CYS	Cheyenne	52 min
Aug 2, 3:22 PM MDT	Special Weather Statement	CYS	Banner	23 min
Aug 2, 4:08 PM MDT	Special Weather Statement	CYS	Sioux	37 min
Aug 2, 5:13 PM MDT	Special Weather Statement	CYS	Morrill	32 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.