Alert archive / Wyoming / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 21, NWS Cheyenne, WY

May 30, 2026Laramie County, Wyoming; Kimball County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at May 30, 2026, 3:17 PM MDT for Laramie County, Wyoming; Kimball County, Nebraska. It was in force for 43 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 30, 2026, 3:17 PM MDT (21:17 UTC)
Expired: May 30, 2026, 4:00 PM MDT
In force: 43 min
Issued by: NWS Cheyenne, WY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Kimball County, NE, Laramie County, WY

The radar

The Cheyenne radar (KCYS), 69 km from the middle of the area, began a volume at 21:19 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 was reported inside it

Time	Report	Where	Remark
May 30, 4:00 PM MDT	HAIL 1.75	7 S Bushnell, NE	Kimball County EM reported golf ball sized hail within accumulating hail, leading to localized flash flooding in rural areas of Kimball County.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

Issued	Product	Office	Lasted
May 30, 2:13 PM MDT	Severe Thunderstorm Watch	SPC	7 hr

The text

As transmitted.

796 
WUUS55 KCYS 302117
SVRCYS
NEC105-WYC021-302200-
/O.NEW.KCYS.SV.W.0021.260530T2117Z-260530T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cheyenne WY
317 PM MDT Sat May 30 2026

The National Weather Service in Cheyenne has issued a

* Severe Thunderstorm Warning for...
  Southwestern Kimball County in the Panhandle of Nebraska...
  Southeastern Laramie County in southeastern Wyoming...

* Until 400 PM MDT.

* At 317 PM MDT, a severe thunderstorm was located near Panorama
  Point, or 22 miles southwest of Kimball, moving north at 25 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Pine Bluffs, Panorama Point, Oliver Reservoir, and Pine Bluffs
  Municipal Airport.

This includes the following highways...
 Interstate 80 in Wyoming between mile markers 398 and 402.
 Interstate 80 in Nebraska between mile markers 1 and 20.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4123 10414 4122 10367 4100 10383 4100 10411
TIME...MOT...LOC 2117Z 188DEG 21KT 4100 10396 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Mose

1 follow-up statement

680 
WWUS55 KCYS 302144
SVSCYS

Severe Weather Statement
National Weather Service Cheyenne WY
344 PM MDT Sat May 30 2026

WYC021-302153-
/O.CAN.KCYS.SV.W.0021.000000T0000Z-260530T2200Z/
Laramie WY-
344 PM MDT Sat May 30 2026

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LARAMIE COUNTY IS
CANCELLED...

The severe thunderstorm which prompted the warning has weakened. 
Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 900 PM MDT for
the Panhandle of Nebraska.

&&

LAT...LON 4122 10381 4122 10371 4100 10383 4100 10405
      4123 10405
TIME...MOT...LOC 2143Z 188DEG 21KT 4115 10393 

$$

NEC105-302200-
/O.CON.KCYS.SV.W.0021.000000T0000Z-260530T2200Z/
Kimball NE-
344 PM MDT Sat May 30 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM MDT
FOR SOUTHWESTERN KIMBALL COUNTY...

At 343 PM MDT, a severe thunderstorm was located near Bushnell, or 15
miles west of Kimball, moving north at 25 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Panorama Point.

This includes Interstate 80 in Nebraska between mile markers 1 and
17.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4122 10381 4122 10371 4100 10383 4100 10405
      4123 10405
TIME...MOT...LOC 2143Z 188DEG 21KT 4115 10393 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Mose

The office that day

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

Issued	Product	Office	Counties	Lasted
May 29, 6:24 PM MDT	Special Weather Statement	CYS	Goshen	36 min
May 29, 6:58 PM MDT	Special Weather Statement	CYS	Niobrara	47 min
May 30, 1:22 AM MDT	High Wind Watch	CYS	Albany, Carbon, Laramie, Platte	32 hr
May 30, 12:34 PM MDT	High Wind Warning	CYS	Albany, Carbon, Laramie, Platte	26 hr
May 30, 1:50 PM MDT	Special Weather Statement	CYS	Goshen	40 min
May 30, 2:30 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Niobrara	45 min
May 30, 2:37 PM MDT	Special Weather Statement	CYS	Niobrara	38 min
May 30, 2:46 PM MDT	Severe Thunderstorm Warning	CYS	Converse, Goshen, Niobrara, Platte	17 min
May 30, 3:08 PM MDT	Special Weather Statement	CYS	Niobrara	37 min
May 30, 3:22 PM MDT	Special Weather Statement	CYS	Laramie	38 min
May 30, 4:05 PM MDT	Severe Thunderstorm Warning	CYS	Laramie	25 min
May 30, 4:41 PM MDT	Areal Flood Advisory	CYS	Laramie	3 hr
May 30, 5:18 PM MDT	Special Weather Statement	CYS	Goshen	27 min
May 29, 6:00 PM MDT	Special Weather Statement	CYS	Banner	30 min
May 29, 6:09 PM MDT	Severe Thunderstorm Warning	CYS	Banner, Morrill, Scotts Bluff	51 min
May 29, 6:15 PM MDT	Special Weather Statement	CYS	Sioux	45 min
May 29, 6:21 PM MDT	Special Weather Statement	CYS	Scotts Bluff	24 min
May 29, 6:49 PM MDT	Severe Thunderstorm Warning	CYS	Morrill	27 min
May 29, 6:55 PM MDT	Severe Thunderstorm Warning	CYS	Cheyenne, Kimball	50 min
May 29, 7:15 PM MDT	Special Weather Statement	CYS	Cheyenne	45 min
May 29, 7:27 PM MDT	Special Weather Statement	CYS	Cheyenne	48 min
May 29, 7:56 PM MDT	Special Weather Statement	CYS	Cheyenne	49 min
May 29, 8:26 PM MDT	Special Weather Statement	CYS	Morrill	49 min
May 29, 9:00 PM MDT	Special Weather Statement	CYS	Morrill	45 min
May 29, 9:38 PM MDT	Special Weather Statement	CYS	Box Butte	52 min
May 30, 2:25 PM MDT	Special Weather Statement	CYS	Dawes	35 min
May 30, 2:37 PM MDT	Severe Thunderstorm Warning	CYS	Dawes	38 min
May 30, 3:12 PM MDT	Severe Thunderstorm Warning	CYS	Dawes	19 min
May 30, 3:46 PM MDT	Flash Flood Warning	CYS	Dawes	3 hr
May 30, 3:54 PM MDT	Special Weather Statement	CYS	Kimball	36 min
May 30, 3:55 PM MDT	Severe Thunderstorm Warning Considerable damage threat	CYS	Kimball	35 min
May 30, 3:59 PM MDT	Special Weather Statement	CYS	Kimball	31 min
May 30, 4:18 PM MDT	Special Weather Statement	CYS	Banner	27 min
May 30, 4:28 PM MDT	Tornado Warning Tornado observed	CYS	Kimball	47 min
May 30, 4:44 PM MDT	Severe Thunderstorm Warning	CYS	Banner, Kimball	27 min
May 30, 4:52 PM MDT	Severe Thunderstorm Warning	CYS	Kimball	38 min
May 30, 5:18 PM MDT	Severe Thunderstorm Warning	CYS	Banner, Kimball	42 min

Nearby

Severe Thunderstorm Warnings in Wyoming, 2026 Severe Thunderstorm Warnings in Nebraska, 2026 Every severe thunderstorm warning in 2026

Sources

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