235 
WUUS55 KCYS 222009
SVRCYS
WYC027-222100-
/O.NEW.KCYS.SV.W.0111.260622T2009Z-260622T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cheyenne WY
209 PM MDT Mon Jun 22 2026

The National Weather Service in Cheyenne has issued a

* Severe Thunderstorm Warning for...
  Southeastern Niobrara County in east central Wyoming...

* Until 300 PM MDT.

* At 209 PM MDT, a severe thunderstorm was located 10 miles north of
  Lusk, moving southeast at 20 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.

* This severe thunderstorm will remain over mainly rural areas of
  southeastern Niobrara County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4291 10405 4287 10405 4271 10416 4288 10448
      4298 10442
TIME...MOT...LOC 2009Z 298DEG 19KT 4290 10439 

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

$$

Vasquez

631 
WWUS55 KCYS 222020
SVSCYS

Severe Weather Statement
National Weather Service Cheyenne WY
220 PM MDT Mon Jun 22 2026

WYC027-222100-
/O.CON.KCYS.SV.W.0111.000000T0000Z-260622T2100Z/
Niobrara WY-
220 PM MDT Mon Jun 22 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM MDT
FOR SOUTHEASTERN NIOBRARA COUNTY...

At 220 PM MDT, a severe thunderstorm was located 10 miles northeast
of Lusk, moving southeast 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.

This severe thunderstorm will remain over mainly rural areas of
southeastern Niobrara County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4291 10405 4287 10405 4271 10416 4285 10443
      4293 10434
TIME...MOT...LOC 2020Z 297DEG 24KT 4286 10429 

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

$$

Vasquez

955 
WWUS55 KCYS 222031
SVSCYS

Severe Weather Statement
National Weather Service Cheyenne WY
231 PM MDT Mon Jun 22 2026

WYC027-222100-
/O.CON.KCYS.SV.W.0111.000000T0000Z-260622T2100Z/
Niobrara WY-
231 PM MDT Mon Jun 22 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM MDT
FOR SOUTHEASTERN NIOBRARA COUNTY...

At 231 PM MDT, a severe thunderstorm was located 13 miles northwest
of Van Tassell, or 13 miles northeast of Lusk, moving southeast 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.

This severe thunderstorm will remain over mainly rural areas of
southeastern Niobrara County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4291 10405 4287 10405 4274 10414 4283 10434
      4292 10430
TIME...MOT...LOC 2031Z 292DEG 21KT 4284 10420 

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

$$

Vasquez