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Home Return to list Severe Thunderstorm Warning 0094 Issued by the Cheyenne Forecast Office
Action: New Issued At: 2026-06-20 19:11:04
128
WUUS55 KCYS 210010
SVRCYS
NEC165-WYC015-027-031-210100-
/O.NEW.KCYS.SV.W.0094.260621T0010Z-260621T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cheyenne WY
610 PM MDT Sat Jun 20 2026
The National Weather Service in Cheyenne has issued a
* Severe Thunderstorm Warning for...
Sioux County in the Panhandle of Nebraska...
Eastern Niobrara County in east central Wyoming...
Northern Goshen County in southeastern Wyoming...
East central Platte County in southeastern Wyoming...
* Until 700 PM MDT.
* At 610 PM MDT, severe thunderstorms were located along a line
extending from 6 miles south of Morrisey to near Van Tassell to 6
miles southeast of Grayrocks Reservoir, moving east at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Torrington, Lingle, Harrison, Fort Laramie, Henry, Van Tassell,
Mule Creek Junction, Agate Fossil Beds National Monument,
Torrington Municipal Airport, Montrose, Redbird, Pine Ridge
Estates, Prairie Center, Jay Em, Fort Laramie National Historic
Site, Grayrocks Reservoir, Fort Robinson State Park, Hwy 85 At Dry
Rawhide Creek, Toadstool Geological Park and Campground, and Goshen
County Fairgrounds.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4349 10406 4300 10405 4300 10352 4260 10348
4200 10382 4199 10408 4207 10483 4273 10438
4350 10455
TIME...MOT...LOC 0010Z 279DEG 36KT 4344 10441 4270 10419 4206 10467
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Natoli
Action: Continued Issued At: 2026-06-20 19:33:34
832
WWUS55 KCYS 210033
SVSCYS
Severe Weather Statement
National Weather Service Cheyenne WY
633 PM MDT Sat Jun 20 2026
WYC031-210043-
/O.CAN.KCYS.SV.W.0094.000000T0000Z-260621T0100Z/
Platte WY-
633 PM MDT Sat Jun 20 2026
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL PLATTE COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM MDT for
the Panhandle of Nebraska...and southeastern and east central
Wyoming.
&&
LAT...LON 4349 10406 4300 10405 4300 10352 4260 10348
4200 10382 4199 10408 4205 10461 4281 10414
4349 10438
TIME...MOT...LOC 0033Z 270DEG 36KT 4341 10413 4267 10392 4203 10440
$$
NEC165-WYC015-027-210100-
/O.CON.KCYS.SV.W.0094.000000T0000Z-260621T0100Z/
Sioux NE-Niobrara WY-Goshen WY-
633 PM MDT Sat Jun 20 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM MDT
FOR SIOUX...EASTERN NIOBRARA AND NORTHERN GOSHEN COUNTIES...
At 633 PM MDT, severe thunderstorms were located along a line
extending from near Mule Creek Junction to near Harrison to near
Veteran, moving east at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Torrington, Lingle, Harrison, Fort Laramie, Henry, Van Tassell, Mule
Creek Junction, Agate Fossil Beds National Monument, Torrington
Municipal Airport, Montrose, Redbird, Pine Ridge Estates, Prairie
Center, Fort Robinson State Park, Hwy 85 At Dry Rawhide Creek,
Toadstool Geological Park and Campground, and Goshen County
Fairgrounds.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4349 10406 4300 10405 4300 10352 4260 10348
4200 10382 4199 10408 4205 10461 4281 10414
4349 10438
TIME...MOT...LOC 0033Z 270DEG 36KT 4341 10413 4267 10392 4203 10440
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Natoli
Action: Cancelled Issued At: 2026-06-20 19:33:34
832
WWUS55 KCYS 210033
SVSCYS
Severe Weather Statement
National Weather Service Cheyenne WY
633 PM MDT Sat Jun 20 2026
WYC031-210043-
/O.CAN.KCYS.SV.W.0094.000000T0000Z-260621T0100Z/
Platte WY-
633 PM MDT Sat Jun 20 2026
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL PLATTE COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM MDT for
the Panhandle of Nebraska...and southeastern and east central
Wyoming.
&&
LAT...LON 4349 10406 4300 10405 4300 10352 4260 10348
4200 10382 4199 10408 4205 10461 4281 10414
4349 10438
TIME...MOT...LOC 0033Z 270DEG 36KT 4341 10413 4267 10392 4203 10440
$$
NEC165-WYC015-027-210100-
/O.CON.KCYS.SV.W.0094.000000T0000Z-260621T0100Z/
Sioux NE-Niobrara WY-Goshen WY-
633 PM MDT Sat Jun 20 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM MDT
FOR SIOUX...EASTERN NIOBRARA AND NORTHERN GOSHEN COUNTIES...
At 633 PM MDT, severe thunderstorms were located along a line
extending from near Mule Creek Junction to near Harrison to near
Veteran, moving east at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Torrington, Lingle, Harrison, Fort Laramie, Henry, Van Tassell, Mule
Creek Junction, Agate Fossil Beds National Monument, Torrington
Municipal Airport, Montrose, Redbird, Pine Ridge Estates, Prairie
Center, Fort Robinson State Park, Hwy 85 At Dry Rawhide Creek,
Toadstool Geological Park and Campground, and Goshen County
Fairgrounds.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4349 10406 4300 10405 4300 10352 4260 10348
4200 10382 4199 10408 4205 10461 4281 10414
4349 10438
TIME...MOT...LOC 0033Z 270DEG 36KT 4341 10413 4267 10392 4203 10440
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Natoli
Action: Expired Issued At: 2026-06-20 19:56:35
348
WWUS55 KCYS 210056
SVSCYS
Severe Weather Statement
National Weather Service Cheyenne WY
656 PM MDT Sat Jun 20 2026
NEC165-WYC015-027-210105-
/O.EXP.KCYS.SV.W.0094.000000T0000Z-260621T0100Z/
Sioux NE-Niobrara WY-Goshen WY-
656 PM MDT Sat Jun 20 2026
...THE SEVERE THUNDERSTORM WARNING FOR SIOUX...EASTERN NIOBRARA AND
NORTHERN GOSHEN COUNTIES WILL EXPIRE AT 700 PM MDT...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning will be allowed to expire.
However, gusty winds are still possible with these thunderstorms.
A Severe Thunderstorm Watch remains in effect until 900 PM MDT for
the Panhandle of Nebraska...and southeastern and east central
Wyoming.
&&
LAT...LON 4349 10406 4300 10405 4300 10352 4260 10348
4200 10382 4199 10408 4205 10461 4281 10414
4349 10438
TIME...MOT...LOC 0055Z 270DEG 36KT 4338 10384 4264 10363 4200 10412
$$
Natoli
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