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Home Return to list Severe Thunderstorm Warning 0084 Issued by the Rapid City Forecast Office
Action: New Issued At: 2026-06-22 20:53:20
011
WUUS53 KUNR 230152
SVRUNR
WYC045-230245-
/O.NEW.KUNR.SV.W.0084.260623T0152Z-260623T0245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Rapid City SD
752 PM MDT Mon Jun 22 2026
The National Weather Service in Rapid City has issued a
* Severe Thunderstorm Warning for...
Northern Weston County in northeastern Wyoming...
* Until 845 PM MDT.
* At 752 PM MDT, a severe thunderstorm was located near Upton, or 28
miles southwest of Sundance, moving east at 40 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...
Upton, Osage, Four Corners and Newcastle.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and large
hail.
&&
LAT...LON 4404 10494 4418 10490 4418 10456 4408 10405
4383 10406 4368 10419
TIME...MOT...LOC 0152Z 291DEG 34KT 4407 10469
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Calderon
Action: Continued Issued At: 2026-06-22 21:07:50
474
WWUS53 KUNR 230207
SVSUNR
Severe Weather Statement
National Weather Service Rapid City SD
807 PM MDT Mon Jun 22 2026
WYC045-230245-
/O.CON.KUNR.SV.W.0084.000000T0000Z-260623T0245Z/
Weston WY-
807 PM MDT Mon Jun 22 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM MDT FOR
NORTHEASTERN WESTON COUNTY...
At 807 PM MDT, a severe thunderstorm was located over Osage, or 15
miles northwest of Newcastle, moving east at 50 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Upton, Osage, Four Corners and Newcastle.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and large
hail.
&&
LAT...LON 4394 10474 4418 10468 4418 10456 4408 10405
4396 10405 4383 10406 4368 10419
TIME...MOT...LOC 0152Z 290DEG 44KT 4407 10466
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Calderon
Action: Continued Issued At: 2026-06-22 21:31:21
149
WWUS53 KUNR 230230
SVSUNR
Severe Weather Statement
National Weather Service Rapid City SD
830 PM MDT Mon Jun 22 2026
WYC045-230245-
/O.CON.KUNR.SV.W.0084.000000T0000Z-260623T0245Z/
Weston WY-
830 PM MDT Mon Jun 22 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM MDT FOR
NORTHEASTERN WESTON COUNTY...
At 830 PM MDT, a severe thunderstorm was located near Newcastle,
moving southeast at 50 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...
Four Corners and Newcastle.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and large
hail.
&&
LAT...LON 4380 10444 4411 10421 4408 10405 4389 10406
4383 10406 4368 10419
TIME...MOT...LOC 0207Z 292DEG 43KT 4396 10448
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Calderon
Action: Expired Issued At: 2026-06-22 21:35:51
211
WWUS53 KUNR 230235
SVSUNR
Severe Weather Statement
National Weather Service Rapid City SD
835 PM MDT Mon Jun 22 2026
WYC045-230245-
/O.EXP.KUNR.SV.W.0084.000000T0000Z-260623T0245Z/
Weston WY-
835 PM MDT Mon Jun 22 2026
...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 845 PM MDT FOR
NORTHEASTERN WESTON COUNTY...
The Severe Thunderstorm Warning that was previously in effect has
been reissued for Weston County and is in effect until 930 PM MDT.
Please refer to that bulletin for the latest severe weather
information.
A Severe Thunderstorm Watch remains in effect until 1000 PM MDT for a
portion of northeast Wyoming.
&&
LAT...LON 4380 10444 4411 10421 4408 10405 4389 10406
4383 10406 4368 10419
TIME...MOT...LOC 0230Z 292DEG 43KT 4385 10412
$$
Calderon
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