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Home Return to list Severe Thunderstorm Warning 0011 Issued by the Cheyenne Forecast Office
Action: New Issued At: 2026-05-21 17:41:36
345
WUUS55 KCYS 212241
SVRCYS
NEC007-105-212330-
/O.NEW.KCYS.SV.W.0011.260521T2241Z-260521T2330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cheyenne WY
441 PM MDT Thu May 21 2026
The National Weather Service in Cheyenne has issued a
* Severe Thunderstorm Warning for...
Northern Kimball County in the Panhandle of Nebraska...
Southeastern Banner County in the Panhandle of Nebraska...
* Until 530 PM MDT.
* At 441 PM MDT, a severe thunderstorm was located 9 miles north of
Oliver Reservoir, or 10 miles northwest of Kimball, moving east at
10 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...
Kimball and Kimball County Fairgrounds.
This includes Interstate 80 in Nebraska between mile markers 20 and
28.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4127 10391 4144 10384 4146 10349 4117 10353
TIME...MOT...LOC 2241Z 280DEG 8KT 4135 10378
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Goatley
Action: Continued Issued At: 2026-05-21 17:56:06
739
WWUS55 KCYS 212255
SVSCYS
Severe Weather Statement
National Weather Service Cheyenne WY
455 PM MDT Thu May 21 2026
NEC007-105-212330-
/O.CON.KCYS.SV.W.0011.000000T0000Z-260521T2330Z/
Kimball NE-Banner NE-
455 PM MDT Thu May 21 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM MDT
FOR NORTHEASTERN KIMBALL AND SOUTH CENTRAL BANNER COUNTIES...
At 455 PM MDT, a severe thunderstorm was located near Oliver
Reservoir, or 8 miles northwest of Kimball, moving east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Kimball and Kimball County Fairgrounds.
This includes Interstate 80 in Nebraska between mile markers 20 and
27.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4124 10380 4141 10377 4144 10350 4118 10353
4123 10377
TIME...MOT...LOC 2255Z 277DEG 20KT 4132 10368
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Goatley
Action: Continued Issued At: 2026-05-21 18:06:37
060
WWUS55 KCYS 212306
SVSCYS
Severe Weather Statement
National Weather Service Cheyenne WY
506 PM MDT Thu May 21 2026
NEC007-105-212330-
/O.CON.KCYS.SV.W.0011.000000T0000Z-260521T2330Z/
Kimball NE-Banner NE-
506 PM MDT Thu May 21 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM MDT
FOR NORTHEASTERN KIMBALL AND SOUTH CENTRAL BANNER COUNTIES...
At 505 PM MDT, a severe thunderstorm was located 5 miles northeast
of Kimball, moving east at 30 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...
Kimball and Kimball County Fairgrounds.
This includes Interstate 80 in Nebraska between mile markers 20 and
27.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4123 10375 4141 10372 4144 10350 4118 10353
TIME...MOT...LOC 2305Z 278DEG 25KT 4128 10356
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Goatley
Action: Cancelled Issued At: 2026-05-21 18:11:37 221 WWUS55 KCYS 212311 SVSCYS Severe Weather Statement National Weather Service Cheyenne WY 511 PM MDT Thu May 21 2026 NEC007-105-212320- /O.CAN.KCYS.SV.W.0011.000000T0000Z-260521T2330Z/ Kimball NE-Banner NE- 511 PM MDT Thu May 21 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN KIMBALL AND SOUTH CENTRAL BANNER COUNTIES IS CANCELLED... The storm which prompted the warning has moved out of the area. Therefore, the warning has been cancelled. However, hail and gusty winds are still possible with this thunderstorm. A Severe Thunderstorm Watch remains in effect until 1000 PM MDT for the Panhandle of Nebraska. && LAT...LON 4123 10375 4141 10372 4144 10350 4118 10353 TIME...MOT...LOC 2309Z 280DEG 8KT 4128 10354 $$ Goatley | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||