296 
WUUS55 KCYS 202229
SVRCYS
WYC009-031-202315-
/O.NEW.KCYS.SV.W.0088.260620T2229Z-260620T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cheyenne WY
429 PM MDT Sat Jun 20 2026

The National Weather Service in Cheyenne has issued a

* Severe Thunderstorm Warning for...
  Northwestern Platte County in southeastern Wyoming...
  Converse County in east central Wyoming...

* Until 515 PM MDT.

* At 429 PM MDT, severe thunderstorms were located along a line
  extending from 19 miles west of Bill to 8 miles north of Fort
  Fetterman Historic Site to 8 miles north of Esterbrook Campground,
  moving east at 30 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Douglas, Glendo, Orin, Glendo State Park, Dull Center, Reno Cove
  Campground, Sandy Beach Campground, Converse County Airport, Bill,
  Bennett Hill Campground, Manning Ranch, Fort Fetterman Historic
  Site, Lost Springs, and Shawnee.

This includes Interstate 25 in Wyoming between mile markers 111 and
150.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Wind damage with these storms will occur before any rain or
lightning. Do not wait for the sound of thunder before taking cover.
SEEK SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.

&&

LAT...LON 4350 10495 4334 10489 4278 10490 4248 10487
      4248 10558 4298 10560 4349 10596
TIME...MOT...LOC 2229Z 259DEG 28KT 4330 10562 4296 10545 4254 10539 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Natoli

419 
WWUS55 KCYS 202311
SVSCYS

Severe Weather Statement
National Weather Service Cheyenne WY
511 PM MDT Sat Jun 20 2026

WYC009-031-202320-
/O.EXP.KCYS.SV.W.0088.000000T0000Z-260620T2315Z/
Platte WY-Converse WY-
511 PM MDT Sat Jun 20 2026

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN PLATTE AND
CONVERSE COUNTIES WILL EXPIRE AT 515 PM MDT...

The storms which prompted the warning have moved out of the 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
southeastern and east central Wyoming.

&&

LAT...LON 4350 10495 4334 10489 4278 10490 4248 10487
      4248 10558 4298 10560 4349 10596
TIME...MOT...LOC 2310Z 270DEG 28KT 4336 10519 4302 10502 4260 10497 

$$

Natoli